421
WDT1 Input Clock Select
Description
Bit 4
PSS
Bit 2
CKS2
Bit 1
CKS1
Bit 0
CKS0
Clock
Overflow Period
*
(where ø = 20 MHz)
(where ø SUB = 32.768 kHz)
0
0
0
0
ø/2 (initial value)
25.6 µs
1
ø/64
819.2 µs
1
0
ø/128
1.6 ms
1
ø/512
6.6 ms
1
0
0
ø/2048
26.2 ms
1
ø/8192
104.9 ms
1
0
ø/32768
419.4 ms
1
ø/131072
1.68 s
1
0
0
0
øSUB/2
15.6 ms
1
øSUB/4
31.3 ms
1
0
øSUB/8
62.5 ms
1
øSUB/16
125 ms
1
0
0
øSUB/32
250 ms
1
øSUB/64
500 ms
1
0
øSUB/128
1 s
1
øSUB/256
2 s
Note:
*
An overflow period is the time interval between the start of counting up from H'00 on the
TCNT and the occurrence of a TCNT overflow.
Содержание H8S/2645
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Страница 172: ...140 ...
Страница 235: ...203 Transfer SAR or DAR DAR or SAR Block area First block Nth block Figure 8 8 Memory Mapping in Block Transfer Mode ...
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Страница 756: ...724 ...
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Страница 812: ...780 ...
Страница 837: ...805 A 2 Instruction Codes Table A 2 shows the instruction codes ...
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