參數(shù)資料
型號: TS80C31X2-MCE
廠商: Atmel
文件頁數(shù): 13/42頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 40/20MHZ 44-VQFP
標準包裝: 27
系列: 80C
核心處理器: 8051
芯體尺寸: 8-位
速度: 40/20MHz
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(nèi)部
工作溫度: 0°C ~ 70°C
封裝/外殼: 44-QFP
包裝: 托盤
20
4428E–8051–02/08
AT/TS80C31X2
Table 10-4.
IPH Register -- IPH - Interrupt Priority High Register (B7h)
Reset Value = XXX0 0000b
Not bit addressable
7
6
5
4
3
2
1
0
-
PSH
PT1H
PX1H
PT0H
PX0H
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
PSH
Serial port Priority High bit
PSH
PS
Priority Level
0
Lowest
0
1
0
1
Highest
3
PT1H
Timer 1 overflow interrupt Priority High bit
PT1H
PT1 Priority Level
0
Lowest
0
1
0
1
Highest
2
PX1H
External interrupt 1 Priority High bit
PX1H
PX1 Priority Level
0
Lowest
0
1
0
1
Highest
1
PT0H
Timer 0 overflow interrupt Priority High bit
PT0H
PT0 Priority Level
0
Lowest
0
1
0
1
Highest
0
PX0H
External interrupt 0 Priority High bit
PX0H
PX0 Priority Level
0
Lowest
0
1
0
1
Highest
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