參數(shù)資料
型號: AT80C51RD2
廠商: Atmel Corp.
英文描述: ER 6C 3#16 3#8 SKT RECP BOX
中文描述: 80C51的高性能ROM的8位微控制器
文件頁數(shù): 49/81頁
文件大?。?/td> 1082K
代理商: AT80C51RD2
50
AT80C51RD2/AT83C51Rx2
4113A–8051–09/02
Table 35.
IPH0 Register
IPH0 - Interrupt Priority High Register (B7h)
Reset Value = X000 0000b
Not bit addressable
7
6
5
4
3
2
1
0
-
PPCH
PT2H
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
PPCH
PCA interrupt priority high bit.
PPCH PPCL Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
5
PT2H
Timer 2 overflow interrupt priority high bit
PT2H
PT2L
Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
4
PSH
Serial port priority high bit
PSH
PSL
0
0
0
1
1
0
1
1
Priority Level
Lowest
Highest
3
PT1H
Timer 1 overflow interrupt priority high bit
PT1H
PT1L
Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
2
PX1H
External interrupt 1 priority high bit
PX1H
PX1L
Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
1
PT0H
Timer 0 overflow interrupt priority high bit
PT0H
PT0L
Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
0
PX0H
External interrupt 0 priority high bit
PX0H
PX0L
Priority Level
0
0
Lowest
0
1
1
0
1
1
Highest
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參數(shù)描述
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AT80C51RD2-3CSIM 功能描述:IC MCU 8051 5V SPI 20MHZ 40-DIP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:80C 標(biāo)準(zhǔn)包裝:9 系列:87C 核心處理器:8051 芯體尺寸:8-位 速度:40/20MHz 連通性:UART/USART 外圍設(shè)備:POR,WDT 輸入/輸出數(shù):32 程序存儲器容量:32KB(32K x 8) 程序存儲器類型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:0°C ~ 70°C 封裝/外殼:40-DIP(0.600",15.24mm) 包裝:管件