參數(shù)資料
型號: HD4046612
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算機)
中文描述: 低電壓如同在微機芯片的DTMF產(chǎn)生電路(帶雙音多頻電路的低電壓微計算機)
文件頁數(shù): 27/142頁
文件大?。?/td> 894K
代理商: HD4046612
HD404669 Series
27
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 Interrupt Request Flags (IF0–IF4: $000, $001, $022, $023):
IF0 and IF1 are set at the falling
edge of signals input to
INT
0
and
INT
1
, and IF2–IF4 are set at the rising or falling edge of signals input to
INT
2
–INT
4
, as listed in table 5. The INT
2
–INT
4
interrupt edges are selected by the detection edge select
registers (ESR1, ESR2: $026, $027) as shown in figures 12 and 13.
Bit
Initial value
Read/Write
Bit name
3
0
W
ESR13
2
0
W
ESR12
0
0
W
ESR10
1
0
W
ESR11
Detection edge selection register 1 (ESR1: $026)
ESR11
0
1
ESR10
0
1
0
1
INT
2
detection edge
No detection
Falling-edge detection
Rising-edge detection
Falling/Rising-edge detection
ESR13
0
1
ESR12
0
1
0
1
INT
3
detection edge
No detection
Falling-edge detection
Rising-edge detection
Falling/Rising-edge detection
Figure 12 Detection Edge Selection Register 1 (ESR1)
相關(guān)PDF資料
PDF描述
HD40A46612 Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機)
HD40A4668 Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機)
HD40A4669 Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機)
HD404668 Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機)
HD404669 Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD4046612H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit
HD404668 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit
HD404668H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit
HD404669 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit
HD404669H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit