參數(shù)資料
型號(hào)： 935265429512
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44
封裝： PLASTIC, LCC-44
文件頁數(shù)： 13/52頁
文件大小： 288K
代理商： 935265429512
Philips Semiconductors
Preliminary data
P89C51RB2/P89C51RC2/
P89C51RD2
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
2001 Jun 27
20
PX0
IP (0B8H)
Priority Bit = 1 assigns high priority
Priority Bit = 0 assigns low priority
BIT
SYMBOL
FUNCTION
IP.7
–
IP.6
PPC
PCA interrupt priority bit
IP.5
PT2
Timer 2 interrupt priority bit.
IP.4
PS
Serial Port interrupt priority bit.
IP.3
PT1
Timer 1 interrupt priority bit.
IP.2
PX1
External interrupt 1 priority bit.
IP.1
PT0
Timer 0 interrupt priority bit.
IP.0
PX0
External interrupt 0 priority bit.
SU01291
PT0
PX1
PT1
PS
PT2
PPC
–
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
SYMBOL
FUNCTION
IPH.7
–
IPH.6
PPCH
PCA interrupt priority bit
IPH.5
PT2H
Timer 2 interrupt priority bit high.
IPH.4
PSH
Serial Port interrupt priority bit high.
IPH.3
PT1H
Timer 1 interrupt priority bit high.
IPH.2
PX1H
External interrupt 1 priority bit high.
IPH.1
PT0H
Timer 0 interrupt priority bit high.
IPH.0
PX0H
External interrupt 0 priority bit high.
SU01292
PT0H
PX1H
PT1H
PSH
PT2H
PPCH
–
0
1
2
3
4
5
6
7
Figure 12. IPH Registers
相關(guān)PDF資料
PDF描述
935265435112 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44
935267813557 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
08-50-0031 2.5mm KK Crp Term Chn il W/Ct Ear
08-50-0032 CRIMP PIN, 22-30AWG, PK1000; Series:KK; Connector type:Contact, Crimp; Gender:Socket; Termination method:Crimp; Material, contact:Brass; Plating, contact:Tin; Wire size, AWG:22AWG; Approval Bodies:UL, CSA; Area, wire size RoHS Compliant: Yes
08-50-0030 2.5mm KK Crp Term Chn il W/Ct Ear 2.2mm
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