SH7720 Datasheet, PDF (1236/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 34 Pin Function Controller (PFC)
Initial
Bit
Bit Name Value R/W Description
1

0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
0
PSELB0 0
R/W SD Host Interface Select as PTU4 to PTU0 and PTV2 to
PTV0 Other Functions
0: Not select SD host interface
1: Select SD host interface
34.1.21 Pin Select Register C (PSELC)
PSELC 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 PSELC.
Initial
Bit
Bit Name Value
R/W Description
15
PSELC15 0
14
PSELC14 0
R/W MMC_CLK/SIOF1_SCK/SD_CLK/TPU_TI2A Select
R/W ^{as PTU0 Other Functions}
00: Select SIOF1_SCK
01: Select TPU_TI2A
10: Select MMC_CLK
11: Select according to PSELB0 setting
Reserved when PSELB0 = 0
Select SD_CLK when PSELB0 = 1
13
PSELC13 0
12
PSELC12 0
R/W MMC_CMD/SIOF1_RxD/SD_CMD/TPU_TI2B Select
R/W ^{as PTU1 Other Functions}
00: Select SIOF1_RxD
01: Select TPU_TI2B
10: Select MMC_CMD
11: Select according to PSELB0 setting
Reserved when PSELB0 = 0
Select SD_CMD when PSELB0 = 1
Rev. 3.00 Jan. 18, 2008 Page 1174 of 1458
REJ09B0033-0300