SH7641 Datasheet, PDF (874/1036 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series

Section 22 Pin Function Controller (PFC)
22.1.1 Port A Control Register (PACR)
PACR is a 32-bit readable/writable register that selects the pin functions. PACR is initialized to
H'00000000 by a power-on reset, and it is not initialized by a manual reset, in standby mode, or in
sleep mode.
Bit
31, 30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
Bit Name

Initial
Value
All 0
PA14MD2 0
PA14MD1 0
PA13MD2 0
PA13MD1 0
PA12MD2 0
PA12MD1 0
PA11MD2 0
PA11MD1 0
PA10MD2 0
PA10MD1 0
PA9MD2 0
PA9MD1 0
PA8MD2 0
PA8MD1 0
PA7MD2 0
PA7MD1 0
PA6MD2 0
PA6MD1 0
PA5MD2 0
PA5MD1 0
PA4MD2 0
PA4MD1 0
R/W Description
R Reserved
These bits are always read as 0. The write value should
always be 0.
R/W PAn Mode 2 and 1
R/W The combination of bits PAnMD2 and PAnMD1 (n = 0
R/W ^{to 14) controls the pin functions.}
00: Port input
R/W _{01: Port output}
R/W 10: Reserved (When set, correct operation cannot be
R/W
guaranteed.)
11: Other functions (see table 22.1.)
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Rev. 4.00 Sep. 14, 2005 Page 824 of 982
REJ09B0023-0400