SH7137 Datasheet, PDF (858/1160 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 20 Pin Function Controller (PFC)
Initial
Bit
Bit Name Value R/W Description
14
PD3MD2 0
R/W PD3 Mode
13
PD3MD1 0
R/W Select the function of the PD3/D3/RXD1 pin.
12
PD3MD0 0*¹
R/W 000: PD3 I/O (port)
001: D3 I/O (BSC)*²
110: RXD1 input (SCI)
Other than above: Setting prohibited
11

0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
10
PD2MD2 0
R/W PD2 Mode
9
PD2MD1 0
R/W Select the function of the PD2/D2/SCK0 pin.
8
PD2MD0 0*¹
R/W 000: PD2 I/O (port)
001: D2 I/O (BSC)*²
110: SCK0 I/O (SCI)
Other than above: Setting prohibited
7

0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
6
PD1MD2 0
R/W PD1 Mode
5
PD1MD1 0
R/W Select the function of the PD1/D1/TXD0 pin.
4
PD1MD0 0*¹
R/W 000: PD1 I/O (port)
001: D1 I/O (BSC)*²
110: TXD0 output (SCI)
Other than above: Setting prohibited
3

0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
2
PD0MD2 0
R/W PD0 Mode
1
PD0MD1 0
R/W Select the function of the PD0/D0/RXD0 pin.
0
PD0MD0 0*¹
R/W 000: PD0 I/O (port)
001: D0 I/O (BSC)*²
110: RXD0 input (SCI)
Other than above: Setting prohibited
Notes: 1. The initial value is 1 in the on-chip ROM disabled external-extension mode.
2. This function is available only in the on-chip ROM enabled/disabled external-extension
mode. Do not set to this value in single-chip mode.
Rev. 2.00 Sep. 10, 2008 Page 832 of 1130
REJ09B0402-0200