PCD3745AH 데이터 시트보기 (PDF) - Philips Electronics
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PCD3745AH
Philips Electronics
PCD3745AH Datasheet PDF : 32 Pages
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8
PCCR
8
C1LB
CLK1
8
C1HB
8
C2LB
CLK2
RTC1
RTC2
P1.0 to P1.6
P1.7/RCO 7
PORT 1
BUFFER
PORT 1
FLIP-FLOP
INTERNAL
CLOCK
FREQ.
30
32
RTC
T1
8
8
PCD3745A
RESIDENT
OTP-ROM
4.5 kbytes
DECODE
MEMORY
BANK
FLIP-FLOPS
TIMER/
EVENT
COUNTER
HIGHER
PROGRAM
COUNTER
8
5
P0.0 to P0.7
8
PORT 0
BUFFER
PORT 0
FLIP-FLOP
LOWER
PROGRAM
COUNTER
PROGRAM
STATUS
WORD
8
8
8
8
8
C2HB
8
8
8
8
INTERRUPT
LOGIC
ACCUMULATOR
TEMPORARY
REGISTER 2
TEMPORARY
REGISTER 1
timer interrupt
ARITHMETIC
LOGIC UNIT
external interrupt
DECIMAL
ADJUST
STOP
IDLE
CE/T0
CONTROL AND TIMING
RESET
XTAL1
XTAL2
INTERRUPT INITIALIZE
OSCILLATOR
8
8
8
8
MULTIPLEXER
INSTRUCTION
REGISTER
AND
DECODER
RAM
ADDRESS
REGISTER
CONDITIONAL
BRANCH
LOGIC
T1
CE/T0
TIMER
FLAG
CARRY
ACC
REGISTER 0
REGISTER 1
REGISTER 2
REGISTER 3
REGISTER 4
REGISTER 5
D
REGISTER 6
E
REGISTER 7
C
O
8 LEVEL STACK
D (VARIABLE LENGTH)
E OPTIONAL SECOND
REGISTER BANK
DATA STORE
ACC BIT
TEST
RESIDENT RAM ARRAY
224 bytes
MBH909
Fig.1 Block diagram.
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