SX8654IWLTRT Semtech, SX8654IWLTRT Datasheet

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... T A YPICAL PPLICATIONS Game Machines, Portable Music Players Mobile Phones DSC, DVR, Phones POS/POI Terminals Touch-Screen Monitors O I RDERING NFORMATION Part Number Package SX8654IWLTRT QFN-20 SX8654ICSTRT WLCSP-19 SX8655IWLTRT QFN-20 SX8655ICSTRT WLCSP-19 SX8656IWLTRT QFN-20 SX8656ICSTRT WLCSP-19 SX8654EVK Evaluation Kit th Rev 1 – 25 ...

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... Offset Compensation 5.2.6 Analog-to-Digital Conversion (ADC) 5.3 Digital Processing 5.3.1 Overview 5.3.2 PROXRAW Update 5.3.3 PROXUSEFUL Update 5.3.4 PROXAVG Update th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Table of Contents ............................................................................................................ 4 ............................................................................................... 9 ............................................................................... 12 ..................................................................................................... 13 (SX8654/56) ....................................................................... 23 2 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Read Channel (Touchscreen Interface EGISTERS ETAILED PPLICATION NFORMATION 13.1 Typical Application Circuit 13.2 External Components Recommended Values ACKAGING NFORMATION 14.1 QFN Package 14.2 CSP Package th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing .......................................................................................................... 39 ...................................................................................... 47 ESCRIPTION ................................................................................................... 59 ..................................................................................................... 60 3 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Figure 1 – Marking Information – QFN(left) – CSP(right) 1.1.2 SX8655 Figure 2 – Marking Information – QFN(left) – CSP(right) 1.1.3 SX8656 Figure 3 – Marking Information – QFN(left) – CSP(right) th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing 4 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Note that haptics pins (MVDD, MGND, MIN, MOUTN, MOUTP) are not used on SX8656. (Cf. § 1.3) th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 4 – Pin Diagram – QFN Figure 5 – Pin Diagram - CSP 5 Haptics Enabled 4/5-Wire www.semtech.com ...

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... I2C Address Selection (QFN only, internally connected to GND on CSP) SCL DI I2C Clock Input SDA DIO I2C Data Input/Output NIRQ DO Interrupt Output (active low) NRST DI Reset Input (active low) A/D/I/O/P: Analog/Digital/Power/Input/Output th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Table 1 – Pin Description 6 Haptics Enabled 4/5-Wire www.semtech.com ...

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... ADVANCED COMMUNICATIONS & SENSING 1.4 Block Diagram th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 6 – SX8654 Block Diagram Figure 7 – SX8655 Block Diagram 7 Haptics Enabled 4/5-Wire www.semtech.com ...

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... ADVANCED COMMUNICATIONS & SENSING th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 8 – SX8656 Block Diagram 8 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Min Max Unit - 0.5 3.9 V (1) (2) +/-15 , +/-8 kV (2) +/-8 +/-1 kV +/-1 +/-250 V +/-250 +/-15 kV -40 +85 ° C -40 +125 ° C -55 +150 ° C +/-100 mA Min Max - - 30 Min Typ. Max 2.3 - 3.6 - 0.4 0. 120 160 www.semtech.com Unit ° C/W ° C/W Unit V uA ...

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... Programmable - 10 Haptics Enabled 4/5-Wire Typ. Max Unit 8 20 115 145 - 3.6 V 0.01 1 µ µ VDD+0 µ 0 3.6 V 250 - mA ( (2) 0 125 mV - VDDM V - 150 mV 300 - MHz - 25.6 kHz - 51.2 kHz - 98 % 120 - ° C 155 - - - bits ± 0.5 - LSB ± ± 1 300 pF 200 - ms www.semtech.com ...

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... Up to 0.3xVDD from GND, down to 0.7xVDD from VDD - - Table 4 – Electrical Specifications 11 Haptics Enabled 4/5-Wire Min Typ. Max Unit - 1 400 kHz 100 - - 20+0.1C - 300 b 20+0.1C - 300 400 kHz - 1.8 - MHz www.semtech.com µs µs µs µs µ µs µ ...

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... VDD(V) IDD_HAPT vs VDD vs TEMP 25° C 85° C -40° C 2.7 2.9 3.1 3.3 3.5 VDD(V) 25° C 85° C -40° C 2.7 2.9 3.1 3.3 3.5 MVDD(V) 2.3V 3.3V 3.6V 15 www.semtech.com ...

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... The fifth wire (WIPER) is used for sensing the top sheet voltage. When a pressure is applied on the top sheet, a connection with the lower sheet is established. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 9 – Touchscreen Interface Overview Figure 10 – 4-wire Touchscreen 13 Haptics Enabled 4/5-Wire www.semtech.com ...

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... ADC (12 bits => 2 For example, a touch in the center of the screen will output (Xpos, Ypos) = ~(2048, 2048) th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 11 – 5-wire Touchscreen R2 Y pos = 4095 Xpos = 4095 -------------------- - Haptics Enabled 4/5-Wire R4 -------------------- - – 1). www.semtech.com ...

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... R4 is proportional to the Y coordinate and its value is given by the total Y plate resistance Rytot multiplied by the fraction of the Y position over the full coordinate range. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing R2 Y pos = 4095 Xpos = 4095 -------------------- - Figure 14 – Pressure Measurement R4 = 4095 --------------------------------- - z2 = 4095 Haptics Enabled 4/5-Wire R4 -------------------- - – 1). via two additional setups z1 and ----------------- - --------------- - www.semtech.com ...

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... Resistive Touchscreen Controller with Proximity Sensing Rxtot = Rytot = Ypos R4 = Rytot ------------ - 4095 ----- - 1 – Rytot Ypos R = ------------ - T 4095 Xpos R1 = Rxtot 1 – ------------ - 4095 4095 ----------- - 1 – – Rxtot Rtouch 16 Haptics Enabled 4/5-Wire z2 ----- - 1 – z1 Xpos 1 – ------------ - 4095 itself with the formulas above must be T Ctouch www.semtech.com ...

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... Each channel can be sampled times and then processed to get a single consolidated coordinate. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing and digital comparator continue to PNDT and the sum of R1, RT and RW. PNDT 17 Haptics Enabled 4/5-Wire www.semtech.com ...

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... SETDLY may need to be increased. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing ∑ 4079 - - -- -- -- -- - - 4095 – – 3 4079 – – – 5 4095 ax2 min 1 1 4079 -- - -- -- -- -- -- - - 4095 Table 5 – Digital Processing Functions 18 Haptics Enabled 4/5-Wire + – www.semtech.com ...

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... Resistive Touchscreen Controller with Proximity Sensing Actions Select and bias CHAN Wait for the programmed settling time (POWDLY) Convert CHAN Select and bias CHAN Table 6 – Manual Mode Commands CONVERT(Y) Y POWDLY CONVERT(SEQ POWDLY POWDLY X 19 Haptics Enabled 4/5-Wire READ CHANNEL Y READ CHANNEL Y www.semtech.com ...

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... PENTRG mode the host must set TOUCHRATE > 0 and then send PENTRG command. To quit PENTRG mode and stop the touchscreen interface the host must enter MAN mode. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing CONVERT(Y) READ CHANNEL Y POWDLY Actual bias time Y Pen Release 20 Haptics Enabled 4/5-Wire www.semtech.com ...

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... TOUCHRATE tick NIRQ I2C Read Channel Tconv Trate Idle Pen Detection th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Pen Release Tcom = Touch Conversion Figure 24 – Correct TOUCHRATE setting 21 Haptics Enabled 4/5-Wire Tconv+Tcom < Trate => Actual rate = TOUCHRATE www.semtech.com ...

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... Table 7 – Maximum Throughputs Examples chan = chan filt chan 22 SX8654/SX8655/SX8656 Haptics Enabled 4/5-Wire Trate < Tconv+Tcom < n.Trate => Actual rate = TOUCHRATE SETD LY + 21N + 1 Tos c filt CR ECR SR [kcps] [kcps] [ksps] 6.6 13.2 6.6 3.7 7.4 11 1.9 7.6 5.7 www.semtech.com ESR [ksps] 13.2 22.2 40 22.8 ...

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... This is illustrated in figure below th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing (SX8654/56) face, etc Analog Front-End Processing (AFE) SX8654/56 Figure 27 – Proximity Sensing Sequencing 23 Haptics Enabled 4/5-Wire PROXSTAT Digital www.semtech.com ...

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... Figure 29 – Proximity Effect on Electrical Field and Sensor Capacitance th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Overlay PCB dielectric Sensor Ground created by its electrical field’s interaction with the environment, in particular 24 Haptics Enabled 4/5-Wire As Cut view Top view . This User www.semtech.com ...

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... July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing A ε ε User d ε Material Typical r Glass 8 FR4 5 Acrylic Glass 3 Wood 2 Air 1 . User 25 Haptics Enabled 4/5-Wire (C usually contributes Sensor User also slowly varies together with the Env component to extract and process Env www.semtech.com ...

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... PROXCOMPSTAT will only be reset once the compensation is completed. Figure 32 – Compensation Request Sources th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Env User to which C is subtracted. Sensor Env 26 Haptics Enabled 4/5-Wire and subtracting it to the total only. www.semtech.com ...

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... Digital processing sequencing is illustrated in figure below. At every scan period wake-up (defined by PROXSCANPERIOD), the block updates sequentially PROXRAW, PROXUSEFUL, PROXAVG, PROXDIFF and PROXSTAT before going back to Idle mode. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing variations. This is performed Env 27 Haptics Enabled 4/5-Wire has drifted Env www.semtech.com ...

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... PROXRAW update consists mainly in starting the AFE and waiting for the new PROXRAW value to be ready compensation was pending it is performed first. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 34 – Digital Processing Sequencing 28 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Hz max) and slow environment changes. F(PROXRAW ; PROXUSEFUL[n-1] ; PROXRAWFILT PROXRAWFILT).PROXRAW + PROXRAWFILT.PROXUSEFUL[n-1] th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 35 – ProxRaw Update Figure 36 – PROXUSEFUL Update 29 Haptics Enabled 4/5-Wire www.semtech.com ...

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... PROXAVGNEGFILT. Typically we have PROXAVGPOSFILT > PROXAVGNEGFILT to filter out (abnormal) negative events faster. To prevent PROXAVG to be “corrupted” by user activity (should only reflect environmental changes freezes when proximity is detected. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Env Figure 37 – ProxAvg vs Proximity Event 30 Haptics Enabled 4/5-Wire . www.semtech.com ...

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... ADVANCED COMMUNICATIONS & SENSING F(PROXUSEFUL ; PROXAVG[n-1] ; PROXAVGxxxFILT PROXAVGxxxFILT).PROXUSEFUL + PROXAVGxxxFILT.PROXAVG[n-1] xxx = POS or NEG th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 38 – ProxAvg Update 31 Haptics Enabled 4/5-Wire www.semtech.com ...

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... C th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing ) and extract only the user related variations i.e. C Env Figure 39 – ProxDiff Update ), comparing it with a user programmable User Figure 40 – PROXSTAT Update 32 Haptics Enabled 4/5-Wire . User . Env www.semtech.com ...

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... In MAN mode, a CONVERT command (if not preceded by a SELECT command) will perform a proximity sensing operation before the touchscreen operation, whatever the pen status. Hence please note that if the th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing User out of range User out of range 33 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Idle Touch Conversion Pen Detection Proximity Sensing Figure 45 – Pen Detect Mode (RegIrqMsk[6:2] = 00011 ; PROXSCANPERIOD = 001 ie 1/TOUCHRATE) th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing READ CHANNEL Y POWDLY PROX Y READ CHANNEL PROX Pen Release 34 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Please note that compensation lasts about ~16 times longer than a normal proximity sensing operation. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Pen Release 35 Haptics Enabled 4/5-Wire www.semtech.com ...

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... An ERM motor with an off-balance load to create a vibration. Speed and direction are controlled by the applied voltage. The ERM load is selected when HAPTTYPEEN = 10. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 47 – Haptics Interface Overview 36 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Q factors so that the drive frequency must match the resonant frequency within a few Hz to get optimum amplitude. LRA load is selected when HAPTTYPEEN = 01. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 48 – ERM Drive Signal Example VMOUT = 0V 37 Haptics Enabled 4/5-Wire www.semtech.com ...

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... MOUTP grounded). When the short-circuit is removed the haptics operations will resume normally. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 49 – LRA Drive Signal Example OR VMOUT_Envelope = 0V 38 Haptics Enabled 4/5-Wire (PWM mode) (I2C mode) www.semtech.com ...

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... CONVERT), the corresponding command will have to be re-issued. The haptics operations will resume directly. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 50 – Temperature Sensor Overview (Op. Mode != MAN), 39 Haptics Enabled 4/5-Wire proximity sensing interface enabled rd channel conversion, when www.semtech.com ...

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... Each time NIRQ falling edge occurs, read RegIrqSrc to know which “time-critical” event occurred (+ read channel data if relevant addition, RegStat can be read anytime to get the whole picture including also what is considered to be “non time-critical” information. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing 40 Haptics Enabled 4/5-Wire www.semtech.com ...

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... By the host (RegAux0-1) to monitor any RegStat and/or RegIrqSrc bits in real time without having to use NIRQ or perform I2C polling. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing 41 Haptics Enabled 4/5-Wire www.semtech.com ...

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... NIRQ rising edge. Additionally bit RESETSTAT will be set (cleared when reading RegStat). th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing VPOR Undefined t t RESET PULSE Undefined Figure 51 – Hardware Reset Conditions 42 Haptics Enabled 4/5-Wire or PULSE www.semtech.com ...

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... CSP 0 Please note that upon request, a custom I2C Address can be pre-programmed by Semtech. 11.3 Write Register The I2C write register sequence is given in figure below. After the start condition [S], the chip slave address (SA) is sent, followed by an eighth bit (W=‘0’) indicating a write. The chip then acknowledges [A] that it is being addressed, and the host sends a CR byte consisting in ‘ ...

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... The chip will synchronize these events by the use of clock stretching if that is required. The stretching occurs directly after the last received command bit (see figure above). th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 53 – I2C Read Register Figure 54 – I2C Write Command 44 Haptics Enabled 4/5-Wire www.semtech.com ...

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... X channel channel 1 0 First channel for pressure measurement 1 1 Second channel for pressure measurement 1 1 Channels enabled in RegChanMsk register Table 10 : Channel Codes Figure 55 – I2C Read Channel D(11:8) RD0 Figure 56 – Channel Data Format 45 Haptics Enabled 4/5-Wire D(7:0) RD1 www.semtech.com ...

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... For example if the chip converts X and Y and the host tries to read and Z2. a conversion has been done while the screen wasn’t touched , i.e. pen up (not detected). th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing 46 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Haptics related registers/bits do not apply to SX8656. th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Description Touchscreen Interface Haptics Interface and Temperature Sensor Proximity Sensing Interface Interrupt and Chip Status Auxiliary Functions Software Reset Table 11 : Registers Overview 47 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Values above assume typical FOSCH, else vary accordingly. Table 12 : RegTouch0 (Addr 0x00) Description Defines the type of touchscreen 4-wire 1 : 5-wire Defines the pen detection circuit’s pull-up resistor value 114 kOhms 01 : 228 kOhms kOhms kOhms 48 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Table 14 : RegTouch2 (Addr 0x02) Description Table 15 : RegTouch3 (Addr 0x03) Description Enables X channel conversion OFF Enables Y channel conversion OFF Enables Z1 channel conversion OFF Enables Z2 channel conversion OFF Table 16 : RegChanMsk (Addr 0x04) Description Defines the haptics mode/input PWM 1 : I2C 49 Haptics Enabled 4/5-Wire www.semtech.com ...

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... OFF. TempAlrmIrq generated only when the chip temperature gets above the alarm threshold ON. TempAlrmIrq generated both when the chip temperature gets above and below the alarm threshold. Enables the temperature monitoring even when no operation (touch, proximity, haptics) is enabled OFF Table 18 : RegHapt1 (Addr 0x06) 50 Haptics Enabled 4/5-Wire www.semtech.com ...

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... HAPTTIMER[9:0] values below 8 (ie 0-7) are reserved. Table 21 : RegHapt4 (Addr 0x09) Description Table 22 : RegHapt5 (Addr 0x0A) Description Defines the proximity raw filtering range for PROXRAWFILT : 0 : Fast 1 : Slow Defines the function of bits 5 of RegIrqMsk and RegIrqSrc ProxFar 1 : ProxConvDone 51 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Defines the stuck at timeout (ie max “Close” time before a compensation is automatically requested OFF Else : register value x 16 samples Table 26 : RegProx3 (Addr 0x0E) Default Description 0x00 Defines the average positive threshold (for compensation). Threshold = 8 x register value Table 27 : RegProx4 (Addr 0x0F) 52 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Enables high noise immunity mode : 0 : OFF 1 : ON, at the expense of higher power consumption. Table 30 : RegProx7 (Addr 0x12) 53 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Provides the proximity differential information for monitoring purposes. Signed, 2's complement format. Read-only (using PROXCONVDONE), do not write. Table 38 : RegProx15 (Addr 0x1A) Description Provides the proximity compensation offset information for monitoring purposes. Read-only (using PROXCONVDONE), do not write. Table 39 : RegProx16 (Addr 0x1B) 54 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Description Enables proximity boost mode (higher sensitivity) : 100 : ON 110 : OFF (recommended; compulsory when sensor is TS) Else : Reserved Must be set to 100. Table 43 : RegProx20 (Addr 0x1F) Description Must be set to 0x81. Table 44 : RegProx21 (Addr 0x20) Description Table 45 : RegProx22 (Addr 0x21) 55 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Gives the reset latched status : reset occurred reset occurred This bit is cleared when RegStat is read. 56 Haptics Enabled 4/5-Wire interrupt source status. (ie PROXSTAT falling edge), interrupt source status. interrupt source status. rising/falling edge depending interrupt source status. edge depending www.semtech.com (ie or (ie (ie on (ie on ...

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... RegIrqSrc(2) 1010 : RegStat(2) 0011 : RegIrqSrc(3) 1011 : RegStat(3) 0100 : RegIrqSrc(4) 1100 : RegStat(4) 0101 : RegIrqSrc(5) 1101 : RegStat(5) 0110 : RegIrqSrc(6) 1110 : RegStat(6) 0111 : RegIrqSrc(7) 1111 : RegStat(7) Table 49 : RegAux0 (Addr 0x25) 57 Haptics Enabled 4/5-Wire proximity sensing ON/OFF bit indicates gives the compensation www.semtech.com via ...

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... RegStat(4) 0101 : RegIrqSrc(5) 1101 : RegStat(5) 0110 : RegIrqSrc(6) 1110 : RegStat(6) 0111 : RegIrqSrc(7) 1111 : RegStat(7) Table 50 : RegAux1 (Addr 0x26) Default Description 0x00 Writing 0xDE will reset the chip and all registers to their default values. Table 51 : RegReset (Addr 0x3F) 58 Haptics Enabled 4/5-Wire www.semtech.com ...

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... Motor resistance CMOUT Motor output capacitor Table 52 : External Components Recommended Values th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 57 – Typical Application Circuit Note +/- 20%, ESR<1 +/- 50 Haptics Enabled 4/5-Wire Min Typ. Max Unit - 100 - <0.7 1 <1 1 www.semtech.com ...

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... ADVANCED COMMUNICATIONS & SENSING ACKAGING NFORMATION 14.1 QFN Package th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 58 - Outline Drawing - QFN Figure 59 - Land Pattern - QFN 60 Haptics Enabled 4/5-Wire www.semtech.com ...

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... ADVANCED COMMUNICATIONS & SENSING 14.2 CSP Package th Rev 1 – 25 July 2011 SX8654/SX8655/SX8656 Resistive Touchscreen Controller with Proximity Sensing Figure 60 - Outline Drawing - CSP Figure 61 - Land Pattern - CSP 61 Haptics Enabled 4/5-Wire www.semtech.com ...

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