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b7
b6
b5
b4
b3
b2
(b15)
b7
Fig. 6.3.1 Structures of timer Bi mode register and timer Bi register in timer mode
b1
b0
0 0
Timer Bi mode register (i = 0 to 2) (Addresses 5B
Bit
Operating mode select bits
0
1
2
These bits are ignored in timer mode.
3
Nothing is assigned.
4
This bit is ignored in timer mode.
5
Count source select bits
6
7
(b8)
b0 b7
7751 Group User's Manual
Bit name
b1 b0
0 0 : Timer mode
b7 b6
0 0 : f
0 1 : f
1 0 : f
1 1 : f
b0
Timer B0 register (Addresses 51
Timer B1 register (Addresses 53
Timer B2 register (Addresses 55
Bit
15 to 0
These bits can be set to "0000
Assuming that the set value = n, the counter
divides the count source frequency by n + 1.
When reading, the register indicates the
counter value.
TIMER B
6.3 Timer mode
to 5D
)
16
16
Functions
/f
2
4
/f
16
32
/f
64
128
/f
512
1024
, 50
)
16
16
, 52
)
16
16
, 54
)
16
16
Functions
" to "FFFF
16
16
RW
At reset
0
RW
RW
0
0
RW
RW
0
–
Undefined
–
Undefined
RW
0
RW
0
RW
At reset
."
RW
Undefined
6–9
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