HD6432621 Hitachi, HD6432621 Datasheet - Page 12

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

Section
15.2.7 Transmit
Acknowledge Register
(TXACK)
15.2.8 Abort
Acknowledge Register
(ABACK)
15.2.9 Receive
Complete Register
(RXPR)
Page
532
533
534
Description
TXACK
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Note added
Note: * Can only be written with 1 for flag clearing.
ABACK
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Note added
Note: * Can only be written with 1 for flag clearing.
RXPR
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Note added
Note: * Can only be written with 1 for flag clearing.
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TXACK15
ABACK15
RXPR15
TXACK7
ABACK7
RXPR7
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
15
15
15
0
7
0
0
7
0
0
7
0
ABACK14
TXACK14
RXPR14
TXACK6
ABACK6
RXPR6
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
14
14
14
0
6
0
0
6
0
0
6
0
TXACK13
ABACK13
ABACK5
RXPR13
TXACK5
RXPR5
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
13
13
13
0
5
0
0
5
0
0
5
0
TXACK12
ABACK12
RXPR12
TXACK4
ABACK4
RXPR4
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
12
12
12
0
4
0
0
4
0
0
4
0
ABACK11
TXACK11
RXPR11
TXACK3
ABACK3
RXPR3
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
11
11
11
0
3
0
0
3
0
0
3
0
TXACK10
ABACK10
ABACK2
RXPR10
TXACK2
RXPR2
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
10
10
10
0
2
0
0
2
0
0
2
0
TXACK1
TXACK9
ABACK1
ABACK9
RXPR1
RXPR9
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
9
0
1
0
9
0
1
0
9
0
1
0
TXACK8
ABACK8
RXPR0
RXPR8
R/(W)*
R/(W)*
R/(W)*
R/(W)*
—
—
R
R
8
0
0
0
8
0
0
0
8
0
0
0