SH7080 Datasheet, PDF (1142/1644 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 21 Pin Function Controller (PFC)
SH7084/SH7085/SH7086:
• Port B Control Register L3 (PBCRL3)
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
-
PB9 PB9 PB9
MD2 MD1 MD0
-
PB8 PB8 PB8
MD2 MD1 MD0
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
PB9MD2 0
R/W PB9 Mode
5
PB9MD1 0
R/W Select the function of the
4
PB9MD0 0
R/W ^{PB9/A21/IRQ7/ADTRG/POE8 pin.}
000: PB9 I/O (port)
001: IRQ7 input (INTC)
010: A21 output (BSC)*
011: ADTRG input (A/D)
110: POE8 input (POE)
Other than above: Setting prohibited
3

0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
2
PB8MD2 0
R/W PB8 Mode
1
PB8MD1 0
R/W Select the function of the PB8/A20/WAIT/IRQ6/SCK0
0
PB8MD0 0
R/W ^pin.
000: PB8 I/O (port)
001: IRQ6 input (INTC)
010: A20 output (BSC)*
011: WAIT input (BSC)*
100: SCK0 I/O (SCI)
Other than above: Setting prohibited
Note: * This function is enabled only in the on-chip ROM enabled/disabled external-extension
mode. Do not set 1 in single-chip mode.
Rev. 3.00 May 17, 2007 Page 1084 of 1582
REJ09B0181-0300