MAX11800ETC/V+T Maxim Integrated Products, MAX11800ETC/V+T Datasheet - Page 49

no-image

MAX11800ETC/V+T

Manufacturer Part Number
MAX11800ETC/V+T
Description
IC TOUCH SCREEN CTRLR LP 12WQFN
Manufacturer
Maxim Integrated Products
Type
Resistiver
Datasheet

Specifications of MAX11800ETC/V+T

Touch Panel Interface
4-Wire
Number Of Inputs/keys
1 TSC
Resolution (bits)
12 b
Data Interface
Serial, SPI™
Data Rate/sampling Rate (sps, Bps)
105k
Voltage - Supply
1.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
12-WQFN Exposed Pad
Voltage Supply Source
Single Supply
Sampling Rate (per Second)
105k
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Table 21. Measurement Commands
General Status Register (0x00) (Read Only)
Low-Power, Ultra-Small Resistive Touch-Screen
BIT
NAME
DEFAULT
0x7Ah
0x7Bh
0x7Ch
0x7Dh
0x70h
0x72h
0x74h
0x76h
0x78h
0x79h
0x7Eh
0x7Fh
HEX
BIT
7
6
5
4
3
2
1
0
ADC_BUSY
ACCESS
ADC_BUSY
CONT_INT
FIFO_OVR
EDGE_INT
FIFO_INT
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
Write
______________________________________________________________________________________
NAME
SCAN
7
0
LPM
TDM
0: ADC is not in ACQ or CONV state
1: ADC is in ACQ or CONV state
This is for INTERNAL TEST only
0: Device is not in LPM or standby mode
1: Device is in LPM or standby mode
0: Device is not in TDM mode
1: Device is in TDM mode
0: No scan or measurement in progress
1: Scan or measurement in progress
Also indicates presence of a continuous touch in autonomous
0: FIFO overflow has not occurred
1: FIFO has overflowed since last readback operation
Enabled only if AUTO = 1
0: No unread data in FIFO
1: New data available in FIFO
Enabled only if AUTO = 1
0: No touch event in progress
1: Touch event in progress (cleared on ETAG = 10)
Enabled only if AUTO = 0 and EDGE_IRQ = 1
0: No touch present
1: Touch present (or conversion in progress)
Enabled only if AUTO = 0 and EDGE_IRQ = 0
LPM
PAIRABLE
6
0
Controllers with I
No
No
No
No
No
No
No
No
No
No
No
No
TDM
5
0
COMMAND LENGTH
DESCRIPTION
8
8
8
8
8
8
8
8
8
8
8
8
SCAN
4
0
FIFO_OVR
X, Y = combined command measurement
X, Y, Z1 = combined command measurement
X, Y, Z1, Z2 = combined command measurement
AUX = conversion
X = measurement, CONT = 0
X = measurement, CONT = 1
Y = measurement, CONT = 0
Y = measurement, CONT = 1
Z1 = measurement, CONT = 0
Z1 = measurement, CONT = 1
Z2 = measurement, CONT = 0
Z2 = measurement, CONT = 1
User Configuration Registers
3
0
2
C/SPI Interface
FIFO_INT
2
0
FUNCTION
MAX11800/
MAX11801
EDGE_INT
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
1
0
MAX11802/
MAX11803
CONT_INT
Yes
Yes
Yes
Yes
Yes
Yes
No
No
0
0
49

Related parts for MAX11800ETC/V+T