HD6432646 Hitachi, HD6432646 Datasheet - Page 165

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

6.1.3
Table 6-1 shows the PC break controller registers.
Table 6-1
Name
Break address register A
Break address register B
Break control register A
Break control register B
Module stop control register C
Notes: *1 Lower 16 bits of the address.
6.2
6.2.1
BARA is a 32-bit readable/writable register that specifies the channel A break address.
BAA23 to BAA0 are initialized to H'000000 by a reset and in hardware standby mode.
Bits 31 to 24—Reserved: These bits return an undefined value if read, and cannot be modified.
Bits 23 to 0—Break Address A23 to A0 (BAA23–BAA0): These bits hold the channel A PC
break address.
Bit
Initial value
Read/Write
*2 Only a 0 may be written to this bit to clear the flag.
Register Configuration
Register Descriptions
Break Address Register A (BARA)
Unde-
fined
PC Break Controller Registers
31
—
—
• • •
• • •
• • •
• • •
Unde-
fined
24
—
—
BAA
R/W
23
23
0
BAA
R/W
22
22
0
R/W
BAA
21
21
0
Abbreviation
BARA
BARB
BCRA
BCRB
MSTPCRC
BAA
R/W
20
20
0
BAA
R/W
19
19
0
BAA
R/W
18
18
0
BAA
R/W
17
17
0
R/W
R/W
R/W
R/(W)
R/(W)
R/W
BAA
R/W
16
16
0
• • •
• • •
• • •
• • •
*2
*2
BAA
R/W
0
7
7
Initial Value
Reset
H'XX000000
H'XX000000
H'00
H'00
H'FF
BAA
R/W
6
6
0
BAA
R/W
0
5
5
BAA
R/W
4
4
0
BAA
R/W
3
3
0
Address
H'FE00
H'FE04
H'FE08
H'FE09
H'FDEA
BAA
R/W
0
2
2
BAA
R/W
1
1
0
*1
BAA
R/W
0
0
0
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