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參數(shù)資料
| 型號(hào)： | 90S1200 |
| 廠商： | Atmel Corp. |
| 元件分類： | 8位微控制器 |
| 英文描述： | -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash |
| 中文描述： | 位AVR微控制器具有8K字節(jié)的系統(tǒng)內(nèi)可編程閃存 |
| 文件頁(yè)數(shù)： | 28/71頁(yè) |
| 文件大?。?/td> | 1416K |
| 代理商： | 90S1200 |
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28
AT90S1200
0838H
–
AVR
–
03/02
Bit 3
–
ACIE: Analog Comparator Interrupt Enable
When the ACIE bit is set (one) and the I-bit in the Status Register is set (one), the Ana-
log Comparator Interrupt is activated. When cleared (zero), the interrupt is disabled.
Bit 2
–
Res: Reserved Bit
This bit is a reserved bit in the AT90S1200 and will always read as zero.
Bits 1, 0
–
ACIS1, ACIS0: Analog Comparator Interrupt Mode Select
These bits determine which comparator events trigger the Analog Comparator Interrupt.
The different settings are shown in Table 7.
Note:
When changing the ACIS1/ACIS0 bits, the Analog Comparator Interrupt must be dis-
abled by clearing its Interrupt Enable bit in the ACSR register. Otherwise, an interrupt
can occur when the bits are changed.
Table 7.
ACIS1/ACIS0 Settings
ACIS1
ACIS0
Interrupt Mode
0
0
Comparator Interrupt on Output Toggle
0
1
Reserved
1
0
Comparator Interrupt on Falling Output Edge
1
1
Comparator Interrupt on Rising Output Edge
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