P80C54SBBB データシートの表示（PDF） - Philips Electronics
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P80C54SBBB Datasheet PDF : 56 Pages
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Philips Semiconductors
80C51 8-bit microcontroller family
8K–64K/256–1K OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33MHz)
Product specification
8XC52/54/58/80C32
8XC51FA/FB/FC/80C51FA
8XC51RA+/RB+/RC+/RD+/80C51RA+
(8XC51FX and 8XC51RX+ ONLY)
OSC/12
OSC/4
TIMER 0
OVERFLOW
EXTERNAL INPUT
(P1.2/ECI)
IDLE
TO PCA
MODULES
CH
CL
16–BIT UP COUNTER
OVERFLOW
INTERRUPT
00
01
10 DECODE
11
CIDL WDTE
––
––
––
CPS1
CPS0
ECF
CMOD
(D9H)
CF
CR
––
CCF4
CCF3
CCF2
CCF1
CCF0
CCON
(D8H)
Figure 15. PCA Timer/Counter
SU00033
PCA TIMER/COUNTER
CF
CR
––
CCF4
CCF3
CCF2
CCF1
CCF0
CCON
(D8H)
MODULE 0
MODULE 1
MODULE 2
MODULE 3
MODULE 4
CMOD.0 ECF
CCAPMn.0 ECCFn
Figure 16. PCA Interrupt System
IE.6
IE.7
EC
EA
TO
INTERRUPT
PRIORITY
DECODER
SU00034
1999 Apr 01
26
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