Siemens MS43 PCB Components

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Front Side

Siemens MS43 PCB Front.png

1. Infineon C167CR-LM CPU

16-Bit Single-Chip Microcontroller C166 Family File:Infineon C167CR.pdf

Chip Markings
Infineon
SAK-C167CR-LM
GA-T

2. AMD AM29F400BB Flash

4 Megabit CMOS 5.0 Volt Boot Sector Flash Memory File:AMD AM29F400B.pdf

Chip Markings
AM29F400BB
-55SI
0047GBA N

3. ST M93C86 EEPROM

16 Kilobit Serial Access EEPROM File:ST M93C86.pdf

Chip Markings
93C86 6
K103M

4. Crystal

Generic 8.000000MHz Crystal

Chip Markings
8.000000
K 0041

5. IR 14CL40 IGBT

Ignition IGBTs with cylinder 6 at the top and cylinder 1 at the bottom. File:International Rectifier 14CL40.pdf

Chip Markings
14CL40
0 H4

6. TDK ZJY25 TVS Diode

CAN Bus ESD Protection TVS Diode

Chip Markings
TDK
ZJY25
Z

7. Motorola MPXAZ4115A Pressure Sensor

Pressure Sensor For Altitude Compensation File:Motorola MPXAZ4115A.pdf

Chip Markings
MPXAZ4115A
50
K0107

8. Mitsubishi M37477M2 MCU

Single-Chip 8-bit CMOS Microcomputer File:Mitsubishi M37477M2.pdf

This additional MCU is part of the drive-by-wire system.

Chip Markings
SW.0ET32040
M37477M2T3907FP
107103

9. ON HC4851A Multiplexer

Analog Multiplexer/Demultiplexer with Injection Current Effect Control File:ON MC74HC4851A.PDF

Chip Markings
SW.HC4851A
PEI110

Input Description

  • Pin 1 - EGT Sensor Pre-Cat Bank 1 (not equipped)
  • Pin 2 - Ignition Coil Variant Detection (Later Indexes)
  • Pin 4 - EGT Sensor Post-Cat Bank 2 (not equipped)
  • Pin 5 - EGT Sensor Pre-Cat Bank 2 (not equipped)
  • Pin 12 - Coolant Temperature Sensor
  • Pin 14 - Intake Air Temperature Sensor (2.49kOhm Pullup Resistor)
  • Pin 15 - Oil Temperature Sensor (828Ohm Pullup Resistor)

10. ON HC4851A Multiplexer

Analog Multiplexer/Demultiplexer with Injection Current Effect Control File:ON MC74HC4851A.PDF

Chip Markings
SW.HC4851A
PEI110

Input Description

  • Pin 5 - Fuel Cap Status Switch (4.7KOhm Pullup Resistor)

Back Side

Siemens MS43 PCB Back.png

1. ZMD U62H64SA SRAM

Automotive Fast 8K x 8 SRAM File:ZMD U62H64SA.pdf

Chip Markings
ZMD
U62H64SA
35 0102

2. Philips 74HCT574

Octal D-type flip-flop File:Philips 74HCT574D.pdf

Chip Markings
74HCT574D
D9524ME
Hnn0105 F

3. Motorola TY93065D

Automotive ISO 9141 Serial Link Driver

Seems to be the same as NXP MC33199D File:NXP MC33199.pdf

Chip Markings
TY93065D
XAA101

4. NXP PCA82C250

CAN Controller Interface File:NXP PCA82C250.pdf

Chip Markings
A82C250
0M6D6
n1064

5. Infineon K-IC 766707

Unknown purpose

Chip Markings
Infineon
K-IC
766707
VB107092