18
R20UT4084ED0130 Rev. 1.3
2020-05-12
Chapter 9 Precautions
9.1
Power-Off Sequence
A dedicated sequence needs to be applied, when the power supplied to the board
is turned off.
Please follow below sequence:
1.
At first press the reset push-button SW1 and keep the button pushed
down (keep the Reset asserted)
2.
Turn off the board power supply
3.
After power supply is shut down, release the push-button SW1
9.
2
Changed Pin Number on Jumper JP18
There are 2 versions of the pcb
for Y-RH850-E2X-292PIN-PB-T1-V1
:
- The old version is marked
E
E
SS
-0400-153-01
- The revised version is marked
EESS-0400-153-02.
In these boards the numbering on jumper JP18 has been changed.
Numbering on EESS-0400-153-01:
Pin 1 is LVDVCC
Numbering on EESS-0400-153-0
2
:
Pin 1 is E0VCC
This manual describes the settings for the new board EESS-0400-153-02.
If you use the old board EESS-0400-153-01 you have to exchange pin 1 and pin 3 for
all descriptions of JP18.