參數(shù)資料
型號(hào): HD404324
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-series microcomputer(4位單片微計(jì)算機(jī))
中文描述: 4位HMCS400系列微電腦(4位單片微計(jì)算機(jī))
文件頁(yè)數(shù): 23/94頁(yè)
文件大?。?/td> 573K
代理商: HD404324
HD404328 Series
23
External Interrupt Masks (IM0: $000, Bit 3; IM1: $001, Bit 1):
Prevent (mask) interrupt requests
caused by the corresponding external interrupt request flags, as shown in table 6.
Table 6
External Interrupt Masks
IM0, IM1
Interrupt Request
0
Enabled
1
Disabled (Masked)
Timer A Interrupt Request Flag (IFTA: $001, Bit 2):
Set by overflow output from timer A, as shown
in table 7.
Table 7
Timer A Interrupt Request Flag
IFTA
Interrupt Request
0
No
1
Yes
Timer A Interrupt Mask (IMTA: $001, Bit 3):
Prevents (masks) an interrupt request caused by the
timer A interrupt request flag, as shown in table 8.
Table 8
Timer A Interrupt Mask
IMTA
Interrupt Request
0
Enabled
1
Disabled (Masked)
Timer B Interrupt Request Flag (IFTB: $002, Bit 0):
Set by overflow output from timer B, as shown in
table 9.
Table 9
Timer B Interrupt Request Flag
IFTB
Interrupt Request
0
No
1
Yes
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