HD6432621 Hitachi, HD6432621 Datasheet - Page 902
HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
(1069 pages)
- Current page: 902 of 1069
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REC—Receive Error Counter
TEC—Transmit Error Counter
UMSR—Unread Message Status Register
858
REC
Bit
Initial value
Read/Write
TEC
Bit
Initial value
Read/Write
UMSR
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Note: * Can only be written with 1 for flag clearing.
:
:
:
:
:
:
:
:
:
:
:
:
UMSR15
UMSR7
R/(W) *
R/(W) *
15
R
R
7
0
7
0
0
7
0
UMSR14
UMSR6
R/(W) *
R/(W) *
14
R
R
6
0
6
0
0
6
0
Unread message status flags
0 [Clearing condition]
1
UMSR13
UMSR5
Writing 1
Unread receive message is overwritten by a new message
[Setting condition]
When a new message is received before RXPR is cleared
R/(W) *
R/(W) *
13
R
R
5
0
5
0
0
5
0
UMSR12
UMSR4
R/(W) *
R/(W) *
12
R
R
4
0
4
0
0
4
0
H'F818
H'F819
H'F81A
UMSR11
UMSR3
R/(W) *
R/(W) *
11
R
R
3
0
3
0
0
3
0
UMSR10
UMSR2
R/(W) *
R/(W) *
10
R
R
2
0
2
0
0
2
0
UMSR1
UMSR9
R/(W) *
R/(W) *
R
R
1
0
1
0
9
0
1
0
UMSR0
UMSR8
R/(W) *
R/(W) *
HCAN
HCAN
HCAN
R
R
0
0
0
0
8
0
0
0
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