HD6417034 Datasheet, PDF (469/691 Pages) Renesas Technology Corp – SuperH RISC ENGINE SH7032 AND SH7034

• Bits 1 and 0 (PA0 Mode (PA0MD1 and PA0MD0)): PA0MD1 and PA0MD0 select the
function of the PA0/CS4/TIOCA0 pin.
Bit 1: PA0MD1 Bit 0: PA0MD0 Function
0
0
Input/output (PA0)
1
Chip select output (CS4)
1
0
ITU input capture/output compare (TIOCA0)
1
Reserved
(Initial value)
15.3.3 Port B I/O Register (PBIOR)
The port A I/O register (PAIOR) is a 16-bit read/write register that selects input or output for the
16 pins of port A. Bits PB15IOR–PB0IOR correspond to pins of port B. PBIOR is enabled when
the port B pins function as input/outputs (PB15–PB0), for ITU input capture and output compare
(TIOCA4, TIOCA3, TIOCA2, TIOCB4, TIOCB3, and TIOCB2), and as serial clocks (SCK1,
SCK0). For other functions, they are disabled. For port B pin functions PB15–PB0, and TIOCA4,
TIOCA3, TIOCA2, TIOCB4, TIOCB3, and TIOCB2, and SCK1/SCK0, a given pin in port B is an
output pin if its corresponding PBIOR bit is set to 1, and an input pin if the bit is cleared to 0.
PBIOR is initialized to H'0000 by a power-on reset; however, it is not initialized by a manual
reset, or in standby mode or sleep mode.
Bit: 15
14
13
12
11
10
9
8
Bit name: PB15 PB14 PB13 PB12 PB11 PB10 PB9 PB8
IOR
IOR
IOR
IOR
IOR
IOR
IOR
IOR
Initial value: 0
0
0
0
0
0
0
0
R/W: R/W R/W R/W R/W R/W R/W R/W R/W
Bit: 7
6
5
4
3
2
1
0
Bit name: PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0
IOR
IOR
IOR
IOR
IOR
IOR
IOR
IOR
Initial value: 0
0
0
0
0
0
0
0
R/W: R/W R/W R/W R/W R/W R/W R/W R/W
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