参数资料
型号: AT90S1200A-4SC
厂商: Atmel
文件页数: 21/71页
文件大小: 0K
描述: MCU 1K FLASH 4MHZ LV 20-SOIC
标准包装: 37
系列: AVR® 90S
核心处理器: AVR
芯体尺寸: 8-位
速度: 4MHz
连通性: SPI
外围设备: POR,WDT
输入/输出数: 15
程序存储器容量: 1KB(512 x 16)
程序存储器类型: 闪存
EEPROM 大小: 64 x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 6 V
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
包装: 管件
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
Comparator Interrupt on Output Toggle
01
Reserved
1
0
Comparator Interrupt on Falling Output Edge
1
Comparator Interrupt on Rising Output Edge
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