Section 32 General Purpose I/O Ports
Page 1690 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
Bit Bit Name Initial Value R/W Description
8 PA3DR 0 R/W See table 32.13
7 to 1 All 0 R Reserved
These bits are always read as 0. The write
value should always be 0.
0 PA2DR 0 R/W See table 32.13
(2) Port A Data Register 0 (PADR0)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0000000000000000
RRRRRRRR/WRRRRRRRR/W
------
PA1
DR
-------
PA0
DR
-
Bit:
Initial value:
R/W:
Bit Bit Name Initial Value R/W Description
15 to 9 All 0 R Reserved
These bits are always read as 0. The write
value should always be 0.
8 PA1DR 0 R/W See table 32.13
7 to 1 All 0 R Reserved
These bits are always read as 0. The write
value should always be 0.
0 PA0DR 0 R/W See table 32.13
Table 32.13 Port A Data Registers 1, 0 (PADR1, PADR0) Read/Write Operation
Bits 8 and 0 in PADR1 and Bits 8 and 0 in PADR0
PAIOR0 Pin Function Read Operation Write Operation
0 General input Pin state Can write to PADR1 and 0, but does not affect
the pin state
1 General output PADR1, 0 value Value written is output from the pin