SH7280 Datasheet, PDF (1191/1726 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine family

Section 23 Pin Function Controller (PFC)
Initial
Bit
Bit Name
Value R/W Description
14 to 12 PB7MD[2:0] 000* R/W PB7 Mode
Select the function of the
PB7/A19/BREQ/IRQ6/POE4/TXD0 pin.
000: PB7 I/O (port)
001: A19 output (BSC)
010: BREQ input (BSC)
011: IRQ6 input (INTC)
100: POE4 input (POE2)
101: TXD0 output (SCI)
110: Setting prohibited
111: Setting prohibited
11

0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
10 to 8 PB6MD[2:0] 000* R/W PB6 Mode
Select the function of the
PB6/A18/BACK/IRQ5/POE3/RXD0 pin.
000: PB6 I/O (port)
001: A18 output (BSC)
010: BACK output (BSC)
011: IRQ5 input (INTC)
100: POE3 input (POE2)
101: RXD0 input (SCI)
110: Setting prohibited
111: Setting prohibited
7 to 0 
All 0 R
Reserved
These bits are always read as 0. The write value
should always be 0.
Note: * The initial value is 1 during the on-chip ROM disabled external extension mode.
Rev. 1.00 Jun. 26, 2008 Page 1161 of 1692
REJ09B0393-0100