HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 754

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

18.2
Table 18.2 shows the PFC registers.
Table 18.2 Register Configuration
Name
Port A control register
Port A I/O register
Port B control register
Port B I/O register
Port B control register 2
18.3
18.3.1
The port A control register (PACR) is a 16-bit read/write register that selects the functions of the
14 multiplex pins in port A.
PACR is initialized to H'0000 by a power-on reset. It is not initialized by a manual reset or in
standby mode or sleep mode.
Bits 15 and 14—Reserved. These bits are always read as 0. The write value should always be 0.
Initial value:
Initial value:
Register Configuration
Register Descriptions
Port A Control Register (PACR)
R/W:
R/W:
Bit:
Bit:
PA7MD PA6MD PA5MD PA4MD PA3MD PA2MD PA1MD PA0MD
R/W
15
—
0
R
7
0
Abbreviation
PACR
PAIOR
PBCR
PBIOR
PBCR2
R/W
14
—
0
R
6
0
PA13MD PA12MD PA11MD PA10MD PA9MD PA8MD
R/W
R/W
13
R/W
R/W
R/W
R/W
R/W
R/W
0
5
0
Initial Value
H'0000
H'0000
H'0000
H'0000
H'0000
R/W
R/W
12
0
4
0
R/W
R/W
11
0
3
0
Address
H'FFFFFC80
H'FFFFFC82
H'FFFFFC88
H'FFFFFC8A
H'FFFFFC8E
R/W
R/W
10
0
2
0
R/W
R/W
9
0
1
0
Access Size
8, 16
8, 16
8, 16
8, 16
8, 16
R/W
R/W
8
0
0
0
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