參數(shù)資料
型號: HD404652
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機
文件頁數(shù): 21/109頁
文件大?。?/td> 430K
代理商: HD404652
HD404654 Series
21
Interrupt Enable Flag (IE: $000, Bit 0):
Controls the entire interrupt process. It is reset by the interrupt
processing and set by the RTNI instruction, as listed in table 4.
Table 4 Interrupt Enable Flag (IE: $000, Bit 0)
IE
Interrupt Enabled/Disabled
0
Disabled
1
Enabled
External Interrupts (
INT
0
,
INT
1
):
Two external interrupt signals.
External Interrupt Request Flags (IF0, IF1: $000, $001):
IF0 and IF1 are set at the falling edge of
signals input to
INT
0
and
INT
1
as listed in table
5.
Table 5 External Interrupt Request Flags (IF0, IF1: $000, $001)
IF0, IF1
Interrupt Request
0
No
1
Yes
External Interrupt Masks (IM0, IM1: $000, $001):
Prevent (mask) interrupt requests caused by the
corresponding external interrupt request flags, as listed in table 6.
Table 6 External Interrupt Masks (IM0, IM1: $000, $001)
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 listed in
table 7.
Table 7 Timer A Interrupt Request Flag (IFTA: $001, Bit 2)
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 listed in table 8.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD404652H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404652S 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404654 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404654H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404654S 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer