SH7144_08 Datasheet, PDF (644/930 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series

17. Pin Function Controller (PFC)
Register Bit
Initial
Bit Name Value R/W Description
PACRL2 5
PA2MD1 0
R/W PA2 Mode
PACRL2 4
PA2MD0 0
R/W Select the function of the
PA2/SCK0/DREQ0/IRQ0 pin.
00: PA2 I/O (port)
01: SCK0 I/O (SCI)
10: DREQ0 input (DMAC)
11: IRQ0 input (INTC)
PACRL2 2
PA1MD 0
R/W PA1 Mode
Selects the function of the PA1/TXD0 pin.
0: PA1 I/O (port)
1: TXD0 output (SCI)
PACRL2 0
PA0MD 0
R/W PA0 Mode
Selects the function of the PA0/RXD0 pin.
0: PA0 I/O (port)
1: RXD0 input (SCI)
Notes: 1. The initial value is 1 in the on-chip ROM enabled/disabled external-expansion mode.
2. The initial value is 1 in the on-chip ROM disabled external-expansion mode.
Rev.4.00 Mar. 27, 2008 Page 600 of 882
REJ09B0108-0400