參數(shù)資料
型號: 89C51
廠商: NXP Semiconductors N.V.
英文描述: 80C51 8-bit microcontroller family 4K Flash(80C51八位微控制器系列 4K 閃速存儲器)
中文描述: 80C51的8位單片機系列4K閃存(80C51的八位微控制器系列4K的閃速存儲器)
文件頁數(shù): 18/32頁
文件大?。?/td> 212K
代理商: 89C51
Philips Semiconductors
Product specification
89C51/89C52/89C54/89C58
80C51 8-bit microcontroller family
4K/8K/16K/32K Flash
1999 Oct 27
18
PX0
IP (0B8H)
Priority Bit = 1 assigns higher priority
Priority Bit = 0 assigns lower priority
BIT
IP.7
IP.6
IP.5
IP.4
IP.3
IP.2
IP.1
IP.0
SYMBOL
PT2
PS
PT1
PX1
PT0
PX0
FUNCTION
Not implemented, reserved for future use.
Not implemented, reserved for future use.
Timer 2 interrupt priority bit.
Serial Port interrupt priority bit.
Timer 1 interrupt priority bit.
External interrupt 1 priority bit.
Timer 0 interrupt priority bit.
External interrupt 0 priority bit.
SU00572
PT0
PX1
PT1
PS
PT2
0
1
2
3
4
5
6
7
Figure 11. IP Registers
PX0H
IPH (B7H)
Priority Bit = 1 assigns higher priority
Priority Bit = 0 assigns lower priority
BIT
IPH.7
IPH.6
IPH.5
IPH.4
IPH.3
IPH.2
IPH.1
IPH.0
SYMBOL
PT2H
PSH
PT1H
PX1H
PT0H
PX0H
FUNCTION
Not implemented, reserved for future use.
Not implemented, reserved for future use.
Timer 2 interrupt priority bit high.
Serial Port interrupt priority bit high.
Timer 1 interrupt priority bit high.
External interrupt 1 priority bit high.
Timer 0 interrupt priority bit high.
External interrupt 0 priority bit high.
SU01058
PT0H
PX1H
PT1H
PSH
PT2H
0
1
2
3
4
5
6
7
Figure 12. IPH Registers
相關PDF資料
PDF描述
89C52 80C51 8-bit microcontroller family8KFlash(80C51八位微控制器系列 8K閃速存儲器)
89C58 80C51 8-bit microcontroller family 4K/8K/16K/32K Flash
89CNQ135
89CNQ150
89CNQ SCHOTTKY RECTIFIER
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