Fujitsu MB88121 SERIES PCB History, 9.1 SK-91F467-FLEXRAY, 9.2 SK-91F467-FLEXRAY, 1 History PCB

Models: MB88121 SERIES MB91460 SERIES

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SK-91F467-FLEXRAY V1.1

PCB History

9 PCB History

9.1SK-91F467-FLEXRAY V1.0

Part

Problem
Fixed

U20

Wrong UB/LB connection (WRX2 and WRX3 has to be connected)

V1.1

 

 

 

X14

Connect 1.8V supply not directly to X14 (add jumper)

V1.1

 

 

 

U6

Additionally pull-up resistors for MCU and ASSP reset line

V1.1

 

 

 

 

Reset button connection (SW1), add further option to activate reset

 

U6

directly when pressing SW1. Actually, SW1 must be pressed 2s to

V1.1

 

activate reset. (add solder jumper to select one option)

 

 

 

 

U9

Add C=220uF/16F between Vcc5V and GND

V1.1

 

 

 

U11

Add C=220uF/16F between Vcc3V3 and GND

V1.1

 

 

 

U14

Add C=100uF/16F between Vcc2V5 and GND

V1.1

 

 

 

U17

Add C=100uF/16F between Vcc1V8 and GND

V1.1

 

 

 

 

 

 

 

 

 

Table 9-1: History PCB V1.0

9.2SK-91F467-FLEXRAY V1.1

Part

Problem

 

 

Fixed

Table 9-2: History PCB V1.1

© Fujitsu Microelectronics Europe GmbH

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FMEMCU-UG-910017-11

Page 67
Image 67
Fujitsu MB88121 SERIES manual PCB History, 9.1 SK-91F467-FLEXRAY, 9.2 SK-91F467-FLEXRAY, 1 History PCB, 2 History PCB, Part