參數資料
型號: DM6210
廠商: Electronic Theatre Controls, Inc.
英文描述: dataModule medium speed analog input module
中文描述: 數據模塊中速模擬輸入模塊
文件頁數: 51/91頁
文件大?。?/td> 1098K
代理商: DM6210
6-3
Software Selectable Interrupt Sources
The interrupt circuit on the DM6210 has 7 software selectable interrupt sources which can be pro-
grammed in bits 0 through 2 of the Interrupt Register at BA + 5, as described and shown below.
This register is used to set the interrupt source and channel. Reading this register returns the current
settings.
End-of-Convert - an interrupt is generated when the A/D conversion is done.
User TC Counter 0 out - an interrupt is generated when user TC Counter 0's count reaches 0.
User TC Counter 1 out - an interrupt is generated when user TC Counter 1's count reaches 0.
User TC Counter 2 out - an interrupt is generated when user TC Counter 2's count reaches 0.
External Clock 2 - an interrupt is generated when the external clock 2 (CN3 - 45) line is pulsed.
P0 Latch Status - an interrupt is generated when data has been latched into Port 0.
P1 Latch Status - an interrupt is generated when data has been latched into Port 1.
Software Selectable Interrupt Channel
There are 7 software selectable interrupt channels which can be programmed in bits 3 through 5 of the
Interrupt Register at BA + 5. The interrupt output is driven by an open collector device which is turned off
when the IRQ channel is set to disable. At power up or reset, this register is set to all zero's.
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IRQ Source Select
000 = End-of-Convert
001 = User TC Counter 0 out
010 = User TC Counter 1 out
011 = User TC Counter 2 out
100 = External Clock 2
101 = P0 Latch Status
110 = P1 Latch Status
111 = Reserved
IRQ Channel Select
000 = Disabled
001 = IRQ3
010 = IRQ5
011 = IRQ9
100 = IRQ10
101 = IRQ11
110 = IRQ12
111 = IRQ15
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