SH7146 Datasheet, PDF (714/1022 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 17 Pin Function Controller (PFC)
Initial
Bit
Bit Name Value R/W Description
6
PA1MD2 0*¹
R/W PA1 Mode
5
PA1MD1 0
R/W Select the function of the PA1/A1/POE1/TXD0 pin.
4
PA1MD0 0
R/W 000: PA1 I/O (port)
001: TXD0 output (SCI)
100: A1 output (BSC)*²
111: POE1 input (POE)
Other than above: Setting prohibited
3

0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
2
PA0MD2 0*¹
R/W PA0 Mode
1
PA0MD1 0
R/W Select the function of the PA0/A0/POE0/RXD0 pin.
0
PA0MD0 0
R/W 000: PA0 I/O (port)
001: RXD0 input (SCI)
100: A0 output (BSC)*²
111: POE0 input (POE)
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 enabled only in the on-chip ROM enabled/disabled external-extension
mode. Do not set 1 in single-chip mode.
Rev. 3.00 May 17, 2007 Page 670 of 974
REJ09B0229-0300