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P89C51RB2BA/01 Datasheet(PDF) 39 Page - NXP Semiconductors

Part # P89C51RB2BA/01
Description  80C51 8-bit Flash microcontroller family
PDF  68 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P89C51RB2BA/01 Datasheet(HTML) 39 Page - NXP Semiconductors

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Philips Semiconductors
Preliminary data
P89C51RA2/RB2/RC2/RD2xx
80C51 8-bit Flash microcontroller family
8KB/16KB/32KB/64KB ISP/IAP Flash with 512B/512B/512B/1KB RAM
2002 Jul 18
39
CF
CR
CCF4
CCF3
CCF2
CCF1
CCF0
––
CCON
(D8H)
––
ECOMn
CAPPn
CAPNn
MATn
TOGn
PWMn
ECCFn
CCAPMn, n: 0..4
(DAH – DEH)
CH
CL
CCAPnH
CCAPnL
PCA INTERRUPT
PCA TIMER/COUNTER
10
00
16–BIT COMPARATOR
(TO CCFn)
WRITE TO
CCAPnH
RESET
WRITE TO
CCAPnL
01
ENABLE
CEXn
TOGGLE
MATCH
SU01610
Figure 34. PCA High Speed Output Mode
CL < CCAPnL
––
ECOMn
CAPPn
CAPNn
MATn
TOGn
PWMn
ECCFn
CCAPMn, n: 0..4
(DAH – DEH)
PCA TIMER/COUNTER
00
00
CL
CCAPnL
CEXn
8–BIT
COMPARATOR
OVERFLOW
CCAPnH
ENABLE
0
1
CL >= CCAPnL
0
SU01611
Figure 35. PCA PWM Mode



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