參數資料
型號: 87C576
廠商: NXP Semiconductors N.V.
英文描述: 80C51 8-bit microcontroller family(80C51八位微控制器系列)
中文描述: 80C51的8位單片機系列(80C51的八位微控制器系列)
文件頁數: 12/46頁
文件大小: 447K
代理商: 87C576
Philips Semiconductors
Product specification
83C576/87C576
80C51 8-bit microcontroller family
8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators,
failure detect circuitry, watchdog timer
1998 Jun 04
12
CF
CR
CCF4
CCF3
CCF2
CCF1
CCF0
––
CCON
(D8H)
CH
CL
OVERFLOW
INTERRUPT
16–BIT UP COUNTER
IDLE
TO PCA
MODULES
CMOD
(D9H)
CIDL
WDTE
––
––
––
CPS1
CPS0
ECF
OSC/12
OSC/4
TIMER 0
OVERFLOW
EXTERNAL INPUT
(P2.7/ECI)
DECODE
00
01
10
11
SU00516
Figure 3.
PCA Timer/Counter
IE0.7
EA
MODULE 0
MODULE 1
MODULE 2
MODULE 3
MODULE 4
PCA TIMER/COUNTER
CF
CR
CCF4
CCF3
CCF2
CCF1
CCF0
––
CMOD.0 ECF
TO
INTERRUPT
PRIORITY
DECODER
CCON
(D8H)
IE1.0
EC0
SU00579
IE0.7
EA
IE1.1
EC1
IE0.7
EA
IE0.6
EC
IE0.7
EA
IE1.2
EC2
IE0.7
EA
IE1.3
EC3
IE0.7
EA
IE1.4
EC4
CCAPMn.0 ECCFn
TO
INTERRUPT
PRIORITY
DECODER
TO
INTERRUPT
PRIORITY
DECODER
TO
INTERRUPT
PRIORITY
DECODER
TO
INTERRUPT
PRIORITY
DECODER
TO
INTERRUPT
PRIORITY
DECODER
Figure 4.
PCA Interrupt System
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