参数资料
型号: TS80C31X2-MCB
厂商: Atmel
文件页数: 11/42页
文件大小: 0K
描述: IC MCU 8BIT 40/20MHZ 44-PLCC
标准包装: 9
系列: 80C
核心处理器: 8051
芯体尺寸: 8-位
速度: 40/20MHz
连通性: UART/USART
外围设备: POR
输入/输出数: 32
程序存储器类型: ROMless
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 44-LCC(J 形引线)
包装: 管件
19
4428E–8051–02/08
AT/TS80C31X2
Table 10-3.
IP Register -- IP - Interrupt Priority Register (B8h)
Reset Value = XXX0 0000b
Bit addressable
7
6
5
4
3
2
1
0
-
PS
PT1
PX1
PT0
PX0
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
PS
Serial port Priority bit
Refer to PSH for priority level.
3
PT1
Timer 1 overflow interrupt Priority bit
Refer to PT1H for priority level.
2
PX1
External interrupt 1 Priority bit
Refer to PX1H for priority level.
1
PT0
Timer 0 overflow interrupt Priority bit
Refer to PT0H for priority level.
0
PX0
External interrupt 0 Priority bit
Refer to PX0H for priority level.
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