SH7046 Datasheet, PDF (487/611 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7046 Series

Section 16 Pin Function Controller (PFC)
16.1.4 Port B Control Registers 1 and 2 (PBCR1 and PBCR2)
The port B control registers 1 and 2 (PBCR1 and PBCR2) are 16-bit readable/writable registers
that are used to select the multiplexed pin function of the pins on port B.
Note that the bit 9 of PBCR1 and bits 3 to 0 of PBCR2 are disabled.
Port B Control Registers 1 and 2 (PBCR1 and PBCR2)
Register Bit
Initial
Bit Name Value R/W
PBCR1 15, 14 
All 0 R
PBCR1 8 to 0 
All 0 R
PBCR1 9

0
R
PBCR2 15 to 12 
All 0 R
PBCR2 3 to 0 
All 0 R
PBCR1 13
PB5MD2 0
R/W
PBCR2 11
PB5MD1 0
R/W
PBCR2 10
PB5MD0 0
R/W
PBCR1 12
PB4MD2 0
R/W
PBCR2 9
PB4MD1 0
R/W
PBCR2 8
PB4MD0 0
R/W
PBCR1 11
PB3MD2 0
R/W
PBCR2 7
PB3MD1 0
R/W
PBCR2 6
PB3MD0 0
R/W
PBCR1 10
PB2MD2 0
R/W
PBCR2 5
PB2MD1 0
R/W
PBCR2 4
PB2MD0 0
R/W
Note: x: Don’t care
Description
Reserved
These bits are always read as 0 and should
only be written with 0.
PB5 Mode
Select the function of the PB5/IRQ3/POE3 pin.
000: PB5 I/O (port) 011: Setting prohibited
001: IRQ3 input (INTC) 1xx: Setting prohibited
010: POE3 input (port)
PB4 Mode
Select the function of the PB4/IRQ2/POE2 pin.
000: PB4 I/O (port) 011: Setting prohibited
001: IRQ2 input (INTC) 1xx: Setting prohibited
010: POE2 input (port)
PB3 Mode
Select the function of the PB3/IRQ1/POE1 pin.
000: PB3 I/O (port) 011: Setting prohibited
001: IRQ1 input (INTC) 1xx: Setting prohibited
010: POE1 input (port)
PB2 Mode
Select the function of the PB2/IRQ0/POE0 pin.
000: PB2 I/O (port) 011: Setting prohibited
001: IRQ0 input (INTC) 1xx: Setting prohibited
010: POE0 input (port)
Rev. 4.00 Dec 05, 2005 page 443 of 564
REJ09B0270-0400