Port B; Register Configuration - Hitachi SH7032 Hardware Manual

16.3

Port B

Port B is a 16-bit input/output port as shown in figure 16.2.
Port B
16.3.1

Register Configuration

Table 16.3 summarizes the port B register.
Table 16.3 Port B Register
Name
Port B data register
Note: Only the values of bits A27–A24 and A8–A0 are valid; bits A23–A9 are ignored. For
*
details on the register addresses, see section 8.3.5, Area Descriptions.
PB (Input/output)/TP
15
PB (Input/output)/TP
14
PB (Input/output)/TP
13
PB (Input/output)/TP
12
PB (Input/output)/TP
11
PB (Input/output)/TP
10
PB (Input/output)/TP
9
PB (Input/output)/TP
8
PB (Input/output)/TP
7
PB (Input/output)/TP
6
PB (Input/output)/TP
5
PB (Input/output)/TP
4
PB (Input/output)/TP
3
PB (Input/output)/TP
2
PB (Input/output)/TP
1
PB (Input/output)/TP
0
Figure 16.2 Port B Configuration
Abbreviation R/W
PBDR R/W
(Output)/IRQ7 (Input)
15
(Output)/IRQ6 (Input)
14
(Output)/IRQ5 (Input)/SCK1 (Input/output)
13
(Output)/IRQ4 (Input)/SCK0 (Input/output)
12
(Output)/TxD1 (Output)
11
(Output)/RxD1 (Input)
10
(Output)/TxD0 (Output)
9
(Output)/RxD0 (Input)
8
(Output)/TOCXB4 (Output)/TCLKD (Input)
7
(Output)/TOCXA4 (Output)/TCLKC (Input)
6
(Output)/TIOCB4 (Input/output)
5
(Output)/TIOCA4 (Input/output)
4
(Output)/TIOCB3 (Input/output)
3
(Output)/TIOCA3 (Input/output)
2
(Output)/TIOCB2 (Input/output)
1
(Output)/TIOCA2 (Input/output)
0
Initial Value
H'0000
Address* Access Size
H'5FFFFC2 8, 16, 32
443