PCF84C00T 데이터 시트보기 (PDF) - Philips Electronics
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PCF84C00T Datasheet PDF : 24 Pages
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Philips Semiconductors
8-bit microcontroller with I2C-bus interface
4 BLOCK DIAGRAM
Product specification
PCF84C00
handbook, full pagewidth
SCLK
clock
data
SERIAL DATA/P2.3
P2.2 to P2.0
3
PORT 2
LATCH
PORT 2
BUFFER
"SEE
FIGS 2 AND 3"
P1.7 to P1.0
8
PORT 1
LATCH
PORT 1
BUFFER
I2C-BUS
INTERFACE
SIO
interrupt 8
MEMORY
BANK
13
FLIP-FLOPS
32
INTERNAL
TIMER/
EVENT
COUNTER
(8)
HIGHER
PROGRAM
COUNTER
(5)
LOWER
PROGRAM
COUNTER
(8)
PROGRAM
STATUS
WORD
CLOCK
TEST 1
FREQUENCY
4
30
8
timer
interrupt 5
8
8
7
P0.7 to P0.0
8
PORT 0
LATCH
PORT 0
BUFFER
8
ACCUMULATOR
(8)
TEMPORARY
REGISTER 1
(8)
TEMPORARY
REGISTER 2
(8)
INTERRUPT
LOGIC
POWER
ON
RESET
VPOR
ARITHMETIC
LOGIC UNIT
RESET
POWER
SUPPLY
VDD
VSS GND
STOP
IDLE
external
interrupt
(8)
DECIMAL
ADJUST
INT/T0
CONTROL & TIMING
RESET
XTAL 1
XTAL 2
INTERRUPT INITIALIZE
OSCILLATOR
XTAL
PROGRAM
COUNTER
RAM
ADDRESS
REGISTER
INSTRUCTION
REGISTER
&
DECODER
CONDITIONAL
BRANCH
LOGIC
INT/T0
TEST 1
TIMER FLAG
CARRY
ACC
ACC BIT
TEST
MULTIPLEXER
REGISTER 0
REGISTER 1
REGISTER 2
REGISTER 3
REGISTER 4
REGISTER 5
D
REGISTER 6
E
REGISTER 7
C
O
D
8 LEVEL STACK
(VARIABLE LENGTH)
E OPTIONAL SECOND
REGISTER BANK
DATA STORE
RESIDENT RAM ARRAY
MGG401
1996 Nov 25
Fig.1 Block diagram.
4
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