HD6432621 Hitachi, HD6432621 Datasheet - Page 169
HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
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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 to BAA0): These bits hold the channel A PC
break address.
Bit
Initial value
R/W
*2 Only 0 can be written, for flag clearing.
*3 Not available in the H8S/2626 Series or H8S/2623 Series.
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
Abbreviation
BARA
BARB
BCRA
BCRB
MSTPCRC
R/W
BAA
21
21
0
BAA
R/W
20
20
0
BAA
R/W
19
19
0
BAA
R/W
18
18
0
R/W
R/W
R/W
R/(W)*
R/(W)*
R/W
BAA
R/W
17
17
0
BAA
R/W
16
16
0
2
2
Reset
H'000000
H'000000
H'00
H'00
H'FF
• • •
• • •
• • •
• • •
BAA
R/W
0
7
7
BAA
Initial Value
R/W
6
6
0
R/W
Manual Reset*
Retained
Retained
Retained
Retained
Retained
BAA
0
5
5
BAA
R/W
4
4
0
BAA
R/W
3
3
0
BAA
R/W
2
2
0
3
Address*
H'FE00
H'FE04
H'FE08
H'FE09
H'FDEA
BAA
R/W
1
1
0
BAA
R/W
0
0
0
125
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