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| HD6433937 Datasheet, PDF (164/521 Pages) Hitachi Semiconductor – Hardware Manual | |||
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Pin
P33/SCK31
P32/RESO
P31/UD
Pin Functions and Selection Method
The pin function depends on bits CKE1, CKE0, and SMR31 in SCR31 and bit
PCR33 in PCR3.
CKE1
0
1
CKE0
0
1
*
COM31
PCR33
Pin function
0
0
1
P33 input pin P33 output pin
1
*
*
SCK31
output pin
*
*
SCK31
input pin
The pin function depends on bit RESO in PMR3 and bit PCR32 in PCR3.
RESO
0
1
PCR32
Pin function
0
P32 input pin
1
P32 output pin
*
RESO output pin
The pin function depends on bit UD in PMR3 and bit PCR31 in PCR3.
UD
0
1
PCR31
Pin function
0
P31 input pin
1
P31 output pin
*
UD input pin
*: Donât care
152
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