參數(shù)資料
型號: TS80C31X2-VIA
廠商: Atmel
文件頁數(shù): 11/42頁
文件大小: 0K
描述: IC MCU 8BIT 40/30MHZ 40-DIP
標準包裝: 216
系列: 80C
核心處理器: 8051
芯體尺寸: 8-位
速度: 60/30MHz
連通性: UART/USART
外圍設備: POR
輸入/輸出數(shù): 32
程序存儲器類型: ROMless
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 40-DIP(0.600",15.24mm)
包裝: 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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