Renesas SH7641 - Manual (Page 876)

Section 22 Pin Function Controller (PFC)
Rev. 4.00 Sep. 14, 2005 Page 826 of 982
REJ09B0023-0400
22.1.2 Port B Control Register (PBCR)
PBCR is a 32-bit readable/writable register that selects the pin functions. PBCR 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 Bit Name
Initial
Value
R/W Description
31 to 18
 All
0 R Reserved
These bits are always read as 0. The write value should
always be 0.
17
16
PB8MD2
PB8MD1
0
0
R/W
R/W
15
14
PB7MD2
PB7MD1
0
0
R/W
R/W
13
12
PB6MD2
PB6MD1
0
0
R/W
R/W
11
10
PB5MD2
PB5MD1
0
0
R/W
R/W
9
8
PB4MD2
PB4MD1
0
0
R/W
R/W
7
6
PB3MD2
PB3MD1
0
0
R/W
R/W
5
4
PB2MD2
PB2MD1
0
0
R/W
R/W
3
2
PB1MD2
PB1MD1
0
0
R/W
R/W
1
0
PB0MD2
PB0MD1
0
0
R/W
R/W
PBn Mode 2 and 1
The combination of bits PBnMD2 and PBnMD1 (n = 0
to 8) controls the pin functions.
00: Port input
01: Port output
10: Reserved (When set, correct operation cannot be
guaranteed.)
11: Other functions (see table 22.1.)