r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 844

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Section 20 Pin Function Controller (PFC)
Notes: 1. The initial value is 1 in the on-chip ROM disabled external-extension mode.
Rev. 1.00 Sep. 21, 2007 Page 818 of 1124
REJ09B0402-0100
Bit
6
5
4
3
2
1
0
2. This function is available only in the on-chip ROM enabled/disabled external-extension
Bit Name
PA1MD2
PA1MD1
PA1MD0

PA0MD2
PA0MD1
PA0MD0
mode. Do not set to this value in single-chip mode.
Initial
Value
0*
0
0
0
0*
0
0
1
1
R/W
R/W
R/W
R/W
R
R/W
R/W
R/W
Description
PA1 Mode
Select the function of the PA1/A1/POE1/TXD0 pin.
000: PA1 I/O (port)
001: TXD0 output (SCI)
100: A1 output (BSC)*
111: POE1 input (POE)
Other than above: Setting prohibited
Reserved
This bit is always read as 0. The write value should
always be 0.
PA0 Mode
Select the function of the PA0/A0/POE0/RXD0 pin.
000: PA0 I/O (port)
001: RXD0 input (SCI)
100: A0 output (BSC)*
111: POE0 input (POE)
Other than above: Setting prohibited
2
2