SH7280 Datasheet, PDF (1147/1726 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine family

Section 23 Pin Function Controller (PFC)
• Port A Control Register L3 (PACRL3)
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
-
PA9MD[2:0]
-
PA8MD[2:0]
Initial value: 0
0
0
0
0
0
0
0
0
0
0 0* 0
0
0
0
R/W: R
R
R
R
R
R
R
R
R R/W R/W R/W R R/W R/W R/W
Initial
Bit
Bit Name Value R/W Description
15 to 7 
All 0
R
Reserved
These bits are always read as 0. The write value
should always be 0.
6 to 4 PA9MD[2:0] 000* R/W PA9 Mode
Select the function of the PA9/CKE/RXD3/TCLKD pin.
000: PA9 I/O (port)
001: CKE output (BSC)
010: Setting prohibited
011: Setting prohibited
100: Setting prohibited
101: RXD3 input (SCIF)
110: TCLKD input (MTU2)
111: Setting prohibited
3

0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
2 to 0 PA8MD[2:0] 000
R/W PA8 Mode
Select the function of the PA8/RDWR/TXD3/TCLKC
pin.
000: PA8 I/O (port)
001: RDWR output (BSC)
010: Setting prohibited
011: Setting prohibited
100: Setting prohibited
101: RXD3 output (SCIF)
110: TCLKC input (MTU2)
111: Setting prohibited
Note: * The initial value is 1 during the on-chip ROM disabled 32-bit external extension mode.
Rev. 1.00 Jun. 26, 2008 Page 1117 of 1692
REJ09B0393-0100