p87c754ebd NXP Semiconductors, p87c754ebd Datasheet - Page 11

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p87c754ebd

Manufacturer Part Number
p87c754ebd
Description
80c51 8-bit Microcontroller Family 4k/256 Otp/rom, Dac, Comparator, Uart, Reference
Manufacturer
NXP Semiconductors
Datasheet
Philips Semiconductors
1998 Apr 23
80C51 8-bit microcontroller family
4K/256 OTP/ROM, DAC, comparator, UART, reference
EXTERNAL INPUT
IDLE
(P3.6/ECI)
OVERFLOW
PCA TIMER/COUNTER
TIMER 0
OSC/12
OSC/4
PCA MODULE
CMOD.0
ECF
CIDL
CF
00
01
10
11
WDTE
Figure 7. PCA Interrupt System
CF
Figure 6. PCA Timer/Counter
CR
DECODE
CCAPM
CR
––
––
ECCFn
11
CCF
––
––
CCF
––
––
16–BIT UP COUNTER
CH
––
CPS1
––
––
CPS0
––
IE.6
CL
EC
OVERFLOW
––
––
83C754/87C754
ECF
IE.7
EA
MODULES
TO PCA
CMOD
CCON
(D9H)
(D8H)
Preliminary specification
––
TO
INTERRUPT
PRIORITY
DECODER
SU00674A
INTERRUPT
CCON
(D8H)
SU00673B

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