SH7137 Datasheet, PDF (842/1160 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
7

0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
6
PA5MD2 0*¹
R/W PA5 Mode
5
PA5MD1 0
R/W Select the function of the PA5/A5/IRQ3/SCK1 pin.
4
PA5MD0 0
R/W 000: PA5 I/O (port)
001: SCK1 I/O (SCI)
100: A5 output (BSC)*²
111: IRQ3 input (INTC)
Other than above: Setting prohibited
3

0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
2
PA4MD2 0*¹
R/W PA4 Mode
1
PA4MD1 0
R/W Select the function of the PA4/A4/IRQ2/TXD1 pin.
0
PA4MD0 0
R/W 000: PA4 I/O (port)
001: TXD1 output (SCI)
100: A4 output (BSC)*²
111: IRQ2 input (INTC)
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 816 of 1130
REJ09B0402-0200