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P83C524 Datasheet(PDF) 38 Page - NXP Semiconductors

Part # P83C524
Description  8-bit microcontrollers
PDF  76 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P83C524 Datasheet(HTML) 38 Page - NXP Semiconductors

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1997 Dec 15
38
Philips Semiconductors
Product specification
8-bit microcontrollers
P83C524; P80C528; P83C528
14.1
Interrupt Enable Register (IE)
Table 21 Interrupt Enable register (address A8H)
Table 22 Description of the IE bits
14.2
Interrupt Priority Register (IP)
Table 23 Interrupt Priority register (address B8H)
76543210
EA
ES1
ET2
ES
ET1
EX1
ET0
EX0
BIT
SYMBOL
FUNCTION
7
EA
general enable/disable control:
0= NO interrupt is enabled
1= ANY individually enabled interrupt will be accepted
6
ES1
enable bit-level I2C I/O interrupt
5
ET2
enable Timer 2 interrupt
4
ES
enable Serial Port interrupt
3
ET1
enable Timer 1 interrupt
2
EX1
enable External interrupt 1
1
ET0
enable Timer 0 interrupt
0
EX0
enable External interrupt 0
76543210
−
PS1
PT2
PS
PT1
PX1
PT0
PX0



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