HD6432621 Hitachi, HD6432621 Datasheet - Page 895

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

TXACK—Transmit Acknowledge Register
ABACK—Abort Acknowledge Register
TXACK
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Note: * Can only be written with 1 for flag clearing.
ABACK
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Note: * Can only be written with 1 for flag clearing.
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TXACK15
ABACK15
TXACK7
ABACK7
R/(W)*
R/(W)*
R/(W)*
R/(W)*
15
15
0
7
0
0
7
0
TXACK14
ABACK14
TXACK6
ABACK6
R/(W)*
R/(W)*
R/(W)*
R/(W)*
14
14
0
6
0
0
6
0
ABACK13
TXACK13
ABACK5
TXACK5
R/(W)*
R/(W)*
R/(W)*
R/(W)*
13
13
0
5
0
0
5
0
Abort acknowledge register
TXACK12
ABACK12
TXACK4
ABACK4
Transmit acknowledge register
0 [Clearing condition]
1
R/(W)*
R/(W)*
R/(W)*
R/(W)*
0 [Clearing condition]
1
12
12
Writing 1
Completion of transmit message cancellation
for corresponding mailbox
0
4
0
0
4
0
Writing 1
Completion of message transmission
for corresponding mailbox
H'F80A
H'F80C
ABACK11
TXACK11
TXACK3
ABACK3
R/(W)*
R/(W)*
R/(W)*
R/(W)*
11
11
0
3
0
0
3
0
ABACK10
TXACK10
ABACK2
TXACK2
R/(W)*
R/(W)*
R/(W)*
R/(W)*
10
10
0
2
0
0
2
0
TXACK1
TXACK9
ABACK1
ABACK9
R/(W)*
R/(W)*
R/(W)*
R/(W)*
9
0
1
0
9
0
1
0
ABACK8
TXACK8
R/(W)*
R/(W)*
HCAN
—
HCAN
—
R
R
8
0
0
0
8
0
0
0
851