SH7211 Datasheet, PDF (857/1228 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family

Section 19 Pin Function Controller (PFC)
Bit
7
6 to 4
3
2 to 0
Bit Name
⎯
Initial
Value R/W
0
R
PB21MD[2:0] 000
R/W
⎯
0
R
PB20MD[2:0] 000
R/W
Description
Reserved
This bit is always read as 0. The write value should
always be 0.
PB21 Mode
Select the function of the
PB21/CS2/IRQ0/TIOC3BS/RXD0 pin.
000: PB21 I/O (port)
001: CS2 output (BSC)
010: Setting prohibited
011: IRQ0 input (INTC)
100: TIOC3BS I/O (MTU2S)
101: RXD0 input (SCIF)
110: Setting prohibited
111: Setting prohibited
Reserved
This bit is always read as 0. The write value should
always be 0.
PB20 Mode
Select the function of the PB20/BS/TIOC3DS pin.
000: PB20 I/O (port)
001: BS output (BSC)
010: Setting prohibited
011: Setting prohibited
100: TIOC3DS I/O (MTU2S)
101: Setting prohibited
110: Setting prohibited
111: Setting prohibited
Rev. 2.00 May. 08, 2008 Page 833 of 1200
REJ09B0344-0200