SH7280 Datasheet, PDF (1176/1726 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine family

Section 23 Pin Function Controller (PFC)
Bit
15 to 0
Bit Name

Initial
Value R/W
All 0 R
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
• Port B Control Register L4 (PBCRL4)
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
-
-
-
-
-
-
-
-
-
-
-
-
-
Initial value: 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
R
R
R
Note: * The initial value is 1 during the on-chip ROM disabled external extension mode.
2
1
0
PB12MD[2:0]
0
0 0*
R/W R/W R/W
Initial
Bit
Bit Name
Value R/W Description
15 to 3 
All 0 R
Reserved
These bits are always read as 0. The write value
should always be 0.
2 to 0 PB12MD[2:0] 000* R/W PB12 Mode
Select the function of the
PB12/CS1/CS7/IRQ1/TXD2/CS3 pin.
000: PB12 I/O (port)
001: CKE output (BSC)
010: CKE output (BSC)
011: IRQ1 input (INTC)
100: Setting prohibited
101: TXD2 output (SCI)
110: Setting prohibited
111: CS3 output (BSC)
Note: * The initial value is 1 during the on-chip ROM disabled external extension mode.
Rev. 1.00 Jun. 26, 2008 Page 1146 of 1692
REJ09B0393-0100