SH7080 Datasheet, PDF (1148/1644 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 21 Pin Function Controller (PFC)
21.1.6 Port C Control Registers L1 to L4, H1 to H3 (PCCRL1 to PCCRL4, PCCRH1 to
PCCRH3)
PCCRL1 to PCCRL4 and PCCRH1 to PCCRH3 are 16-bit readable/writable registers that are
used to select the functions of the multiplexed pins on port C.
SH7083/SH7084/SH7085:
• Port C Control Registers H3 to H1 (PCCRH3 to PCCRH1)
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Initial value: 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W: R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Initial
Bit
Bit Name Value R/W Description
15 to 0 
All 0
R
Reserved
These bits are always read as 0. The write value
should always be 0.
• Port C Control Register L4 (PCCRL4)
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
-
-
-
PC15
MD0
-
-
-
PC14
MD0
-
-
-
PC13
MD0
-
-
-
PC12
MD0
Initial value: 0
0
0 0*¹ 0
0
0 0*¹ 0
0
0 0*¹ 0
0
0 0*¹
R/W: R
R
R R/W R
R
R R/W R
R
R R/W R
R
R R/W
Note: 1. The initial value is 1 in the on-chip ROM disabled external-extension mode.
Initial
Bit
Bit Name Value R/W Description
15 to 13 
All 0
R
Reserved
These bits are always read as 0. The write value
should always be 0.
12
PC15MD0 0*¹
R/W PC15 Mode
Select the function of the PC15/A15 pin.
0: PC15 I/O (port)
1: A15 output (BSC)*²
Rev. 3.00 May 17, 2007 Page 1090 of 1582
REJ09B0181-0300