參數(shù)資料
型號: 89C51ED2
廠商: Atmel Corp.
英文描述: 8-bit Flash Microcontroller
中文描述: 8位閃存微控制器
文件頁數(shù): 23/52頁
文件大?。?/td> 289K
代理商: 89C51ED2
Philips Semiconductors
Preliminary specification
89C51RB2/89C51RC2/
89C51RD2
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
1999 Sep 23
23
CF
CR
CCF4
CCF3
CCF2
CCF1
CCF0
––
CCON
(C0H)
CH
CL
OVERFLOW
INTERRUPT
16–BIT UP COUNTER
IDLE
TO PCA
MODULES
CMOD
(C1H)
CIDL
WDTE
––
––
––
CPS1
CPS0
ECF
OSC/6 (6 CLOCK MODE)
OR
OSC/12 (12 CLOCK MODE)
TIMER 0 OVERFLOW
EXTERNAL INPUT
(P1.2/ECI)
DECODE
00
01
10
11
SU01256
OSC/2 (6 CLOCK MODE)
OR
OSC/4 (12 CLOCK MODE)
Figure 15. PCA Timer/Counter
MODULE 0
MODULE 1
MODULE 2
MODULE 3
MODULE 4
PCA TIMER/COUNTER
CF
CR
CCF4
CCF3
CCF2
CCF1
CCF0
––
CMOD.0 ECF
CCAPMn.0 ECCFn
TO
INTERRUPT
PRIORITY
DECODER
CCON
(C0H)
IE.6
EC
IE.7
EA
SU01097
Figure 16. PCA Interrupt System
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