参数资料
型号: T89C51AC2-SLSIM
厂商: Atmel
文件页数: 120/121页
文件大小: 0K
描述: IC 8051 MCU FLASH 32K 44PLCC
标准包装: 27
系列: 89C
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 34
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
EEPROM 大小: 2K x 8
RAM 容量: 1.25K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
数据转换器: A/D 8x10b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 管件
98
A/T89C51AC2
4127H–8051–02/08
Table 73. IPL1 Register
IPL1 (S:F8h)
Interrupt Priority Low Register 1
Reset Value = XXXX XX0Xb
bit addressable
7
6
5
4
3
2
1
0
-
PADCL
-
Bit
Number
Bit
Mnemonic Description
7
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
5
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
4
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
3
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
2
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
1
PADCL
ADC Interrupt Priority Level Less Significant Bit
Refer to PSPIH for priority level.
0
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
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