參數(shù)資料
型號(hào): HCD404669
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計(jì)算機(jī))
中文描述: 低電壓如同在微機(jī)芯片的DTMF產(chǎn)生電路(帶雙音多頻電路的低電壓微計(jì)算機(jī))
文件頁數(shù): 28/142頁
文件大?。?/td> 894K
代理商: HCD404669
HD404669 Series
28
Bit
Initial value
Read/Write
Bit name
3
0
W
ESR23
2
0
W
ESR22
0
0
W
ESR20
1
0
W
ESR21
Detection edge selection register 2 (ESR2: $027)
ESR21
0
1
ESR20
0
1
0
1
INT
4
detection edge
No detection
Falling-edge detection
Rising-edge detection
Falling/Rising-edge detection
ESR23
0
1
ESR22
0
1
0
1
EVND detection edge
No detection
Falling-edge detection
Rising-edge detection
Falling/Rising-edge detection
Figure 13 Detection Edge Selection Register 2 (ESR2)
Table 5 External Interrupt Request Flags (IF0–IF4: $000, $001, $022, $023)
IF0–IF4
Interrupt Request
0
No
1
Yes
External Interrupt Masks (IM0–IM4: $000, $001, $022, $023):
Prevent (mask) interrupt requests
caused by the corresponding external interrupt request flags, as listed in table 6.
Table 6 External Interrupt Masks (IM0–IM4: $000, $001, $022, $023)
IM0–IM4
Interrupt Request
0
Enabled
1
Disabled (masked)
相關(guān)PDF資料
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HCD404868 Low-Voltage AS Microcomputers with On-Chip LCD Circuit(片上LCD電路的低壓微計(jì)算機(jī))
HCD404878 Low-Voltage AS Microcomputers with On-Chip LCD Circuit(片上LCD電路的低壓微計(jì)算機(jī))
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HCD404899 Low-Voltage AS Microcomputers with On-Chip LCD Circuit(片上LCD電路的低壓微計(jì)算機(jī))
HCD40C4082 Low-Voltage AS Microcomputers with On-Chip A/D Converter(帶片上A/D轉(zhuǎn)換器的低壓微計(jì)算機(jī))
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