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P80C32EBAA датащи(PDF) 47 Page - NXP Semiconductors

номер детали P80C32EBAA
подробное описание детали  CMOS single-chip 8-bit microcontrollers
PDF  62 Pages
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P80C32EBAA датащи(HTML) 47 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
80C52/80C54/80C58
CMOS single-chip 8-bit microcontrollers
1996 Aug 16
17
EX0
IE0 (A8H)
Enable Bit = 1 enables the interrupt.
Enable Bit = 0 disables it.
BIT
SYMBOL
FUNCTION
IE.7
EA
Global disable bit. If EA = 0, all interrupts are disabled. If EA = 1, each interrupt can be individually
enabled or disabled by setting or clearing its enable bit.
IE.6
—
IE.5
ET2
Timer 2 interrupt enable bit.
IE.4
ES
Serial Port interrupt enable bit.
IE.3
ET1
Timer 1 interrupt enable bit.
IE.2
EX1
External interrupt 1 enable bit.
IE.1
ET0
Timer 0 interrupt enable bit.
IE.0
EX0
External interrupt 0 enable bit.
SU00743
ET0
EX1
ET1
ES
ET2
—
EA
0
1
2
3
4
5
6
7
Figure 10. IE Registers
PX0
IP0 (B8H)
Priority Bit = 1 assigns high priority
Priority Bit = 0 assigns low priority
BIT
SYMBOL
FUNCTION
IP.7
—
Not implemented, reserved for future use.
IP.6
—
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.
SU00744
PT0
PX1
PT1
PS
PT2
—
—
0
1
2
3
4
5
6
7
Figure 11. IP Registers



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