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P83CL882 数据表(PDF) 21 Page - NXP Semiconductors

部件名 P83CL882
功能描述  80C51 Ultra Low Power ULP telephony controller
PDF  88 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

P83CL882 数据表(HTML) 21 Page - NXP Semiconductors

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2001 Jun 19
21
Philips Semiconductors
Product specification
80C51 Ultra Low Power (ULP) telephony controller
P83CL882
Table 15 Interrupt related SFRs
SFR
DESCRIPTION
SFR ADDRESS
RESET VALUE
IEN0
interrupt enable register 0
A8H
0000 0000
IEN1
interrupt enable register 1 (INT2 to INT9)
E8H
0000 0000
IEN2
interrupt enable register 2
F1H
0000 0000
IP0
interrupt priority register 0
B8H
0000 0000
IP1
interrupt priority register 1 (INT2 to INT9)
F8H
0000 0000
IP2
interrupt priority register 2
F9H
0000 0000
IX1
external interrupt polarity register 1
E9H
0000 0000
ISE1
external interrupt sensitivity register 1
E1H
0000 0000
IRQ1
external interrupt request flag register 1
C0H
0000 0000
handbook, full pagewidth
MGR125
Interrupt level 2x
Interrupt level 1
Program level 0
RETI
Level 21
RETI
Level 20
RETI
one
instruction
IP = 1
IP = 1
IP = 0
Fig.11 Interrupt hierarchy.



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