Hitachi H8S/2646 Hardware Manual page 912

Hitachi 16-bit single-chip microcomputer h8s/2646 series
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BCR—Bit Configuration Register
Bit
15
BCR7
Initial value
0
Read/Write
R/W
Resynchronization Jump Width
0
0
Bit synchronization width = 1 time quantum
1
Bit synchronization width = 2 time quanta
1
0
Bit synchronization width = 3 time quanta
1
Bit synchronization width = 4 time quanta
Bit
7
BCR15
Initial value
0
Read/Write
R/W
Time Segment 2
0
0
1
1
0
1
Bit Sample Point
0 Bit sampling at one point (end of time segment 1)
1 Bit sampling at three points (end of time segment 1 and preceding and following time quantum)
880
14
13
BCR6
BCR5
0
0
R/W
R/W
6
5
BCR14
BCR13
0
0
R/W
R/W
0
Setting prohibited
1
TSEG2 = 2 time quanta
0
TSEG2 = 3 time quanta
1
TSEG2 = 4 time quanta
0
TSEG2 = 5 time quanta
1
TSEG2 = 6 time quanta
0
TSEG2 = 7 time quanta
1
TSEG2 = 8 time quanta
H'F802
12
11
BCR4
BCR3
BCR2
0
0
R/W
R/W
Baud Rate Prescale
0
0
0
0
0
0
0
0
0
0
0
0
. .
. .
. .
. .
1
1
1
1
4
3
BCR12
BCR11
BCR10
0
0
R/W
R/W
Time Segment 1
0
0
0
0
0
0
0
0
1
0
0
1
0
1
0
. .
. .
. .
1
1
1
10
9
BCR1
BCR0
0
0
R/W
R/W
R/W
2 × system clock
0
0
4 × system clock
0
1
6 × system clock
1
0
. .
. .
. .
128 × system clock
1
1
2
1
BCR9
BCR8
0
0
R/W
R/W
R/W
0
Setting prohibited
1
Setting prohibited
0
Setting prohibited
1
TSEG1 = 4 time quanta
TSEG1 = 5 time quanta
0
. .
. .
1
TSEG1 = 16 time quanta
HCAN
8
0
0
0

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