SH7280 Datasheet, PDF (1192/1726 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine family

Section 23 Pin Function Controller (PFC)
• Port B Control Register L1 (PBCRL1)
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
-
PB3MD[2:0]
-
PB2MD[2:0]
-
PB1MD[2:0]
-
Initial value: 0
0
0
0
0
0
0
0
0
0
0 0* 0
R/W: R R/W R/W R/W R R/W R/W R/W R R/W R/W R/W R
Note: * The initial value is 1 during the on-chip ROM disabled external extension mode.
2
1
0
PB0MD[2:0]
0
0 0*
R/W R/W R/W
Initial
Bit
Bit Name
Value R/W Description
15

0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
14 to 12 PB3MD[2:0] 000
R/W PB3 Mode
Select the function of the PB3/IRQ1/POE2/SDA pin.
000: PB3 input (port)
001: Setting prohibited
010: Setting prohibited
011: IRQ1 input (INTC)
100: POE2 input (POE2)
101: SDA I/O (IIC3)
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 PB2MD[2:0] 000
R/W PB2 Mode
Select the function of the PB2/IRQ0/POE1/SCL pin.
000: PB2 input (port)
001: Setting prohibited
010: Setting prohibited
011: IRQ0 input (INTC)
100: POE1 input (POE2)
101: SCL I/O (IIC3)
110: Setting prohibited
111: Setting prohibited
Rev. 1.00 Jun. 26, 2008 Page 1162 of 1692
REJ09B0393-0100