SH7720 Datasheet, PDF (1235/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 34 Pin Function Controller (PFC)
34.1.20 Pin Select Register B (PSELB)
PSELB is a 16-bit readable/writable register that selects the pin functions multiplexing two or
more other functions.
To use one of other functions in the pin multiplexing two or more other functions, the port control
register should be set as other functions after setting the corresponding bit in PSELB.
Initial
Bit
Bit Name Value
15
PSELB15 0
14
PSELB14 0
13
PSELB13 1
12
PSELB12 1
11
PSELB11 1
10
PSELB10 1
9
PSELB9 0
8
PSELB8 0
7 to 2 
All 0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
Description
SCIF0_RTS/TPU_TO0 Select as PTT3 Other Functions
0: Select SCIF0_RTS
1: Select TPU_TO0
SCIF0_CTS/TPU_TO1 Select as PTT4 Other Functions
0: Select SCIF0_CTS
1: Select TPU_TO1
MMC_ODMOD/SCIF1_RTS/LCD_VCPWC/TPU_TO2
Select as PTV3 Other Functions
00: Select SCIF1_RTS
01: Select TPU_TO2
10: Select MMC_ODMOD
11: Select LCD_VCPWC
MMC_VDDON/SCIF1_CTS/LCD_VEPWC/TPU_TO3
Select as PTV4 Other Functions
00: Select SCIF1_CTS
01: Select TPU_TO3
10: Select MMC_VDDON
11: Select LCD_VEPWC
AFE_RDET/IIC_SDA Select as PTE5 Other Functions
0: Select IIC_SDA
1: Select AFE_RDET
AFE_RXIN/IIC_SCL Select as PTE6 Other Functions
0: Select IIC_SCL
1: Select AFE_RXIN
Reserved
These bits are always read as 0. The write value should
always be 0.
Rev. 3.00 Jan. 18, 2008 Page 1173 of 1458
REJ09B0033-0300