MM908E622ACDR2 FREESCALE [Freescale Semiconductor, Inc], MM908E622ACDR2 Datasheet

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MM908E622ACDR2

Manufacturer Part Number
MM908E622ACDR2
Description
Integrated Quad Half-Bridge, Triple High-Side and EC Glass Driver with Embedded MCU and LIN for High End Mirror
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
Freescale Semiconductor
Technical Data
This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc., 2005. All rights reserved.
Integrated Quad Half-Bridge,
Triple High-Side and EC Glass
Driver with Embedded MCU and
LIN for High End Mirror
includes a high-performance HC08 microcontroller with a
SMARTMOS
a timer, enhanced serial communications interface (ESCI), an
analog-to-digital converter (ADC), serial peripheral interface (SPI)
(only internal), and an internal clock generator module. The analog
control die provides four half-bridge and three high-side outputs with
diagnostic functions, an EC glass driver circuit, a Hall-Effect sensor
input, analog inputs, voltage regulator, window watchdog, and local
interconnect network (LIN) physical layer.
application performance adjustments and space-saving PCB design.
It is well suited for the control of automotive high-end mirrors.
Features
• High-Performance M68HC908EY16 Core
• 16 K Bytes of On-Chip Flash Memory, 512 Bytes of RAM
• Internal Clock Generator Module (ICG)
• Two 16-Bit, 2-Channel Timers
• 10-Bit Analog-to-Digital Converter (ADC)
• LIN Physical Layer Interface
• Autonomous MCU Watchdog / MCU Supervision
• One Analog Input with Switchable Current Source
• Four Low RDS(ON) Half-Bridge Outputs
• Three Low RDS(ON) High-Side Outputs
• EC glass driver circuitry
• Wake-Up Input
• One 2/3-Pin Hall-Effect Sensor Input
The 908E622 is an integrated single-package solution that
The single-package solution, together with LIN, provides optimal
12 Microcontroller I/Os
TM
analog control IC. The HC08 includes flash memory,
µC PortA
µC PortB
µC PortC
µC PortD
µC PortE
Figure 1. 908E622 Simplified Application Diagram
Internally connected
Internally connected
LIN
VDDA/VREFH
EVDD
VDD
VSSA/VREFL
EVSS
VSS
RST_A
RST
IRQ_A
IRQ
PTA0/KBD0
PTA1/KBD1
PTA2/KBD2
PTA3/KBD3
PTA4/KBD4
PTB3/AD3
PTB4/AD4
PTB5/AD5
PTC2/MCLK
PTC3/OSC2
PTC4/OSC1
PTD0/TACH0
PTD1/TACH1
PTE1/RxD
GND[1:4]
VSUP[1:8]
908E622
EP
TESTMODE
A0CST
HVDD
ECR
HB1
HB2
HB3
HB4
HS1
HS2
HS3
EC
A0
H0
L0
MM908E622ACDWB/R2
SWITCH AND EC GLASS CIRCUITRY WITH
QUAD HALF-BRIDGE, TRIPLE HIGH-SIDE
M
Device
M
M
ORDERING INFORMATION
EMBEDDED MCU AND LIN
Wake Up Input
4 x Half Bridge Outputs
High Side Output 1
High Side Output 2
High Side Output 3
EC - Glas Control
Switched 5V output
Analog Input with current source
Analog Input current source trim
2-/3-pin hall sensor input
Pull to ground for user mode
54-TERMINAL SOICW-EP
908E622
98ARL10519D
DWB SUFFIX
-40°C to 85°C
Temperature
Range (T
Rev 1.0, 09/2005
A
)
MM908E622
54 SOICW-EP
Package

Related parts for MM908E622ACDR2

MM908E622ACDR2 Summary of contents

Page 1

Freescale Semiconductor Technical Data Integrated Quad Half-Bridge, Triple High-Side and EC Glass Driver with Embedded MCU and LIN for High End Mirror The 908E622 is an integrated single-package solution that includes a high-performance HC08 microcontroller with a SMARTMOS analog control ...

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Internal Block Diagram GND[1:4] VSUP[1:8] TESTMODE LIN RST_A IRQ_A PTE1/RXD PTD0/TACH0 IRQ RST VSSA/VREFL EVSS EVDD VDDA/VREFH 908E622 2 INTERNAL BLOCK DIAGRAM Internal Bus PORT C PORT D PORT E DDRC DDRD DDRE DDRA DDRB PORT A PORT B Analog ...

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Transparent Top PTC4/OSC1 View of Package PTC3/OSC2 PTC2/MCLK PTB5/AD5 PTB4/AD4 PTB3/AD3 (PTD0/TACH0/BEMF -> PWM) PTD1/TACH1 TESTMODE Table 1. Terminal Definitions A functional description of each terminal can be found in the Die Terminal Terminal Name MCU 1 PTC4/OSC1 2 PTC3/OSC2 ...

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Terminal Connections Table 1. Terminal Definitions (continued) A functional description of each terminal can be found in the Die Terminal Terminal Name MCU 45 VSSA/VREFL VDDA/VREFH 48 MCU 46 EVSS 47 EVDD MCU 49 PTA4/KBD4 50 PTA3/KBD3 52 PTA2/KBD2 53 ...

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Table 1. Terminal Definitions (continued) A functional description of each terminal can be found in the Die Terminal Terminal Name Analog 41 HVDD Analog 42 VDD Analog 43 VSS – EP Exposed Pad Analog Integrated Circuit Device Data Freescale Semiconductor ...

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Maximum Ratings Table 2. Maximum Ratings All voltages are with respect to ground unless otherwise noted. Exceeding limits on any terminal may cause permanent damage to the device. Rating Electrical Ratings Supply Voltage Analog Chip Supply Voltage under Normal Operation ...

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Table 2. Maximum Ratings (continued) All voltages are with respect to ground unless otherwise noted. Exceeding limits on any terminal may cause permanent damage to the device. Rating Thermal Ratings (5) Operating Ambient Temperature (6) Operating Junction Temperature Storage Temperature ...

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Static Electrical Characteristics STATIC ELECTRICAL CHARACTERISTICS Table 3. Static Electrical Characteristics All characteristics are for the analog chip only. Refer to the 68HC908EY16 datasheet for characteristics of the microcontroller chip. Characteristics noted under conditions 9.0 V noted reflect the approximate ...

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Table 3. Static Electrical Characteristics (continued) All characteristics are for the analog chip only. Refer to the 68HC908EY16 datasheet for characteristics of the microcontroller chip. Characteristics noted under conditions 9.0 V noted reflect the approximate parameter mean at T Characteristic ...

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Static Electrical Characteristics Table 3. Static Electrical Characteristics (continued) All characteristics are for the analog chip only. Refer to the 68HC908EY16 datasheet for characteristics of the microcontroller chip. Characteristics noted under conditions 9.0 V noted reflect the approximate parameter mean ...

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Table 3. Static Electrical Characteristics (continued) All characteristics are for the analog chip only. Refer to the 68HC908EY16 datasheet for characteristics of the microcontroller chip. Characteristics noted under conditions 9.0 V noted reflect the approximate parameter mean at T Characteristic ...

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Static Electrical Characteristics Table 3. Static Electrical Characteristics (continued) All characteristics are for the analog chip only. Refer to the 68HC908EY16 datasheet for characteristics of the microcontroller chip. Characteristics noted under conditions 9.0 V noted reflect the approximate parameter mean ...

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Table 3. Static Electrical Characteristics (continued) All characteristics are for the analog chip only. Refer to the 68HC908EY16 datasheet for characteristics of the microcontroller chip. Characteristics noted under conditions 9.0 V noted reflect the approximate parameter mean at T Characteristic ...

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Static Electrical Characteristics Table 3. Static Electrical Characteristics (continued) All characteristics are for the analog chip only. Refer to the 68HC908EY16 datasheet for characteristics of the microcontroller chip. Characteristics noted under conditions 9.0 V noted reflect the approximate parameter mean ...

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DYNAMIC ELECTRICAL CHARACTERISTICS Table 4. Dynamic Electrical Characteristics All characteristics are for the analog chip only. Please refer to the 68HC908EY16 datasheet for characteristics of the microcontroller chip. Characteristics noted under conditions 9.0 V Typical values noted reflect the approximate ...

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Dynamic Electrical Characteristics Table 4. Dynamic Electrical Characteristics (continued) All characteristics are for the analog chip only. Please refer to the 68HC908EY16 datasheet for characteristics of the microcontroller chip. Characteristics noted under conditions 9.0 V Typical values noted reflect the ...

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MICROCONTROLLER PARAMETRICS Table 5. Microcontroller For a detailed microcontroller description, refer to the MC68HC908EY16 datasheet. Module Core High Performance HC08 Core with a Maximum Internal Bus Frequency of 8.0 MHz Timer Two 16-Bit Timers with 2 Channels (TIM A and ...

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Timing Diagrams LIN, L0 Note: Waveform in accordance to ISO7637 part 1, test pulses and 3b. TXD RXD Figure 5. Test Circuit for LIN Timing Measurements TXD V LIN LIN RXD Figure 6. LIN Timing Measurements for ...

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TXD V LIN LIN RXD Figure 7. LIN Timing Measurements for Slow Slew Rate V Vrec LIN_REC LIN IRQ_A V Vrec LIN_REC LIN VDD Analog Integrated Circuit Device Data Freescale Semiconductor t DOM-MIN 61.6% V SUP 40% V SUP 25.1% ...

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Timing Diagrams V SUP V DD RST_A Figure 10. Power On Reset and Normal Request Time-out Timing 908E622 RST NORMREQ Analog Integrated Circuit Device Data Freescale Semiconductor ...

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The 908E622 was designed and developed as a highly integrated and cost-effective solution for automotive and industrial applications. For automotive body electronics, the 908E622 is well suited to perform complete mirror control via a three-wire LIN bus. This device combines ...

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Functional Description Functional Terminal Description EXTERNAL RESET TERMINAL ( RST A logic [0] on the RST terminal forces the MCU to a known startup state. is bidirectional, allowing a reset of the RST entire system driven LOW when ...

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RESET TERMINAL ( RST_A ) RST_A is the bidirectional reset terminal of the analog die open drain with pullup resistor and must be connected to the terminal of the MCU. RST INTERRUPT TERMINAL ( ) IRQ_A is ...

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Functional Device Operation Operational Modes 908E622 ANALOG DIE MODES OF OPERATION The 908E622 offers three operating modes: Normal (Run), Stop, and Sleep. In Normal mode the device is active and is operating under normal application conditions. The Stop and Sleep ...

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Sleep mode. Figure 12 show the procedure to enter the Stop mode and how the system is waking up. MCU From Reset initialize operate Enable/disable LIN/L0 wakeup SPI: STOP ...

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Functional Device Operation Operational Modes Table 6. Operating Modes Overview Device Mode Voltage Regulator Reset Normal Request Normal (Run with limited DD Stop current capability Sleep V OFF DD ...

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The interrupt function is available if the input is selected as General Purpose or as 2pin Hallsensor input. The interrupt is maskable with the H0IE bit in the Interrupt Mask Register. During Stop and Sleep mode the H0I circuitry ...

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Functional Device Operation Operational Modes INTERRUPT MASK REGISTER (IMR) Register Name and Address: IMR - $09 Bit7 Read L0IE H0IE LINIE HTRD HTIE Write Reset L0IE - L0 Input Interrupt Enable ...

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RESETS The 908E622 has four internal and one external reset source. VDD RST_A RESET SOURCE High Temperature Reset The device is protected against high temperature. When the chip temperature exceeds a certain temperature, a reset (HTR) is generated. The reset ...

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Functional Device Operation Operational Modes In addition the register includes two flags which will indicate the source of a wake-up from Sleep mode: Either LIN bus activity or an event on the L0 wake-up input terminal. Register Name and Address: ...

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For improved performance and safe behavior in case of LIN bus short to Ground or LIN bus leakage during low power mode the internal pull-up resistor on the LIN terminal is disconnected from VSUP and a small current source keeps ...

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Functional Device Operation Operational Modes A0 INPUT AND ANALOG MULTIPLEXER A0 - Analog Input Input analog input used for reading switches or as analog inputs for potentiometers, NTC, etc. Source Selection Bits SSx 4 Analog ADOUT Multiplexer ...

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This multiplexer has twelve different sources, which can be selected with the SS[3:0] bits in the A0MUCTL register. Half-bridge (HB1:HB4) Current Recopy The multiplexer is connected to the four current sense circuits ...

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Functional Device Operation Operational Modes Hall-Effect Sensor Input Terminal H0 The H0 terminal can be configured as general purpose input (H0MS = hall-effect sensor input (H0MS = able to read 3pin / 2pin hall ...

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VSUP H0EN Current Sense H0F General Purpose Input H0 is selected as general purpose input, if the H0MS bit in the H0/L0 Status and Control Register (HLSCTL) is cleared. In this mode the input is usable as standard 5V input. ...

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Functional Device Operation Operational Modes H0PD H0F H0 Interrupt The interrupt functionality on this terminal is just available in RUN mode. H0 interrupt flag H0IF is set in run mode by a state change of the H0 flag (rising or ...

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Hallport sensed low / current above threshold detected H0EN — H0 Input 2pin Hall-effect sensor Enable Bit This read/write bit enables the 2pin hall-effect sensor sense circuitry. Reset clears H0EN bit Hallport H0 is switched on ...

Page 38

Functional Device Operation Operational Modes Half-Bridge Control Each output MOSFET can be controlled individually. The general enable of the circuitry is done by setting PSON in the System Control Register (SYSCTL). The HBx_L and HBx_H bits form one half bridge. ...

Page 39

Half-Bridge Overvoltage/Undervoltage Protection The half-bridge outputs are protected against undervoltage and overvoltage conditions. This protection is done by the low and high voltage interrupt circuitry. If one of this flags (LVIF, HVIF) is set, the outputs are automatically disabled if ...

Page 40

Functional Device Operation Operational Modes Table 10. High-Side Configuration Bits HSxPWM HSxON Mode 0 0 High-side MOSFET off 0 1 High-side MOSFET on, in case of overcurrent the overcurrent flag (HSxOCF) is set and the High-side MOSFET is turned off ...

Page 41

HS Current HS Over-Current Shutdown Threshold PWM Terminal Figure 24. Inrush Current Limitation on HS Outputs High-Side Current Recopy Each High-Side has an additional sense output to allow a current recopy feature. This sense source is internally connected to a ...

Page 42

Functional Device Operation Operational Modes HSxPWM — High-Side PWM on/off Bits These read/write bits enable the PWM control of the High- Side Fet’s. Reset clears the HSxPWM bits High-Side x is controlled by PWM input signal 0 = ...

Page 43

Electrochrome Circuitry The EC glass is controlled by two transistors switching on/off the EC glass and T2 is controlling the EC output voltage given by the 6Bit DA Converter. 6Bit DAC EC Open Load Detection Open Load can ...

Page 44

Functional Device Operation Operational Modes EC Status and Control Register (ECSCTL) Register Name and Address: ECSCTL - $05 Bit7 Read 0 0 ECON ECOLT ECRON Write Reset ECON — Electrochrome Circuitry ...

Page 45

HTI shutdown of the low-side drivers enabled The user has to take care to protect the device against thermal destruction! VIS — Over-/Undervoltage Interrupt Shutdown This read/write bit selects the power stage behavior at LVI/ HVI. Reset ...

Page 46

Functional Device Operation Operational Modes ECF— EC terminal Failure Bit This read only bit is set if a fail condition on the electrochrome output is present terminal fail normal operating ECOLF ECOCF Figure 29. ...

Page 47

Voltage Regulator The 908E622 contains a low power, low drop voltage regulator to provide internal power and external power for the MCU. The on-chip regulator consist of two elements, the main regulator and the low voltage reset circuit. The V ...

Page 48

Functional Device Operation Logic Commands and Registers 908E622 SERIAL PHERIPHERAL INTERFACE (SPI) The Serial Peripheral Interface (SPI) creates the communication link between the MCU and the analog die. The interface consists of four terminals • MOSI - Master Out Slave ...

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Master Data Byte This byte includes data to be written or no valid data during a read operation. Slave Status Byte This byte includes always the contents of the system status register ($0C) independent write or ...

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Functional Device Operation Logic Commands and Registers SPI REGISTER OVERVIEW TABLE 13 SUMMARIZES THE SPI REGISTER ADDRESSES AND THE BIT NAMES OF EACH REGISTER. Table 13. SPI Register Overview Addr Register Name R/W R System Control $00 (SYSCTL ...

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To enhance the ease-of-use of the 908E622, various parameters (e.g. ICG trim value) are stored in the flash memory of the device. The following flash memory locations are reserved for this purpose and might have a value different from the ...

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Functional Device Operation Logic Commands and Registers Analog Die System Trim Values For improved application performance and to ensure the outlined datasheet values the analog die needs to be trimmed. For this purpose 3 trim values are stored in the ...

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CRHBHC1 CRHBHC0 CRHB5:3 - Current Recopy HB3:4 Trim Bits These write only bits are for trimming of the current recopy of the half-bridge HB3 and HB4 (CSA=1). The provided trim values have to be copied into ...

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Functional Device Operation Logic Commands and Registers CRHS2:0 - Current Recopy HS1 Trim Bits These write only bits are for trimming of the current recopy of the high-side HS1. The provided Trim values have to be copied into these bits ...

Page 55

DEVELOPMENT SUPPORT As the 908E622 has the MC68HC908EY16 MCU embedded, typically all the development tools available for the MCU also apply for this device. However, due to the additional analog die circuitry and the nominal +12V supply voltage, some additional ...

Page 56

Typical Applications PCB level programming If the IC is soldered onto the pcb board, its typically not possible to separately power the MCU with +5V. The whole C1 1µF 1µ ...

Page 57

EMC/EMI RECOMMENDATIONS This paragraph gives some device specific recommendations to improve EMC/EMI performance. Further generic design recommendations can be e.g. found on the Freescale web site www.freescale.com. VSUP terminals (VSUP[1:8]) Its recommended to place a high quality ceramic decoupling capacitor ...

Page 58

Typical Applications Component Recommended Value D1 C1 Bulk Capacitor C2 100nF, SMD ...

Page 59

Important For the most current revision of the package, visit drawing number: 98ARL10519D. Analog Integrated Circuit Device Data Freescale Semiconductor PACKAGE DIMENSIONS www.freescale.com DWB SUFFIX 54-TERMINAL SOICW-EP 98ARL10519D ISSUE A Package Dimensions and do a keyword search on the 98A ...

Page 60

Additional Information Thermal Addendum INTEGRATED QUAD H-BRIDGE, TRIPLE HIGH-SIDE AND EC GLASS DRIVER WITH EMBEDDED MCU AND LIN FOR MIRROR Thermal Addendum Introduction This thermal addendum ia provided as a supplement to the MM908E622 technical data sheet. The addendum provides ...

Page 61

PTC4/OSC1 1 PTC3/OSC2 2 PTC2/MCLK 3 PTB5/AD5 4 PTB4/AD4 5 PTB3/AD3 6 IRQ 7 RST 8 (PTD0/TACH0/BEMF -> PWM) 9 PTD1/TACH1 10 RST_A 11 IRQ_A 12 LIN 13 A0CST Exposed 14 Pad A0 15 GND1 16 HB4 17 VSUP1 18 ...

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Additional Information Thermal Addendum 100 10 1 0.1 1.00E-03 1.00E-02 Figure 39. Transient Thermal Resistance R Device on Thermal Test Board Area A = 600 (mm 908E622 θJA11 R θJA22 ...

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How to Reach Us: Home Page: www.freescale.com E-mail: support@freescale.com USA/Europe or Locations Not Listed: Freescale Semiconductor Technical Information Center, CH370 1300 N. Alma School Road Chandler, Arizona 85224 +1-800-521-6274 or +1-480-768-2130 support@freescale.com Europe, Middle East, and Africa: Freescale Halbleiter Deutschland ...

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