SH7080 Datasheet, PDF (1136/1644 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 21 Pin Function Controller (PFC)
Initial
Bit
Bit Name Value R/W Description
2
PA0MD2 0
R/W PA0 Mode
1
PA0MD1 0
R/W Select the function of the PA0/CS4/RXD0 pin.
0
PA0MD0 0
R/W 000: PA0 I/O (port)
001: RXD0 input (SCI)
101: CS4 output (BSC)*
Other than above: Setting prohibited
Note: * 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 1078 of 1582
REJ09B0181-0300