AT89C1051 ATMEL Corporation, AT89C1051 Datasheet - Page 2
AT89C1051
Manufacturer Part Number
AT89C1051
Description
8-Bit Microcontroller with 1K Byte Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT89C1051.pdf
(12 pages)
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Block Diagram
4-4
RST
V
GND
CC
CONTROL
REGISTER
TIMING
OSC
AND
B
RAM ADDR.
AT89C1051
REGISTER
INSTRUCTION
REGISTER
COMPARATOR
ANALOG
+
-
ACC
TMP2
RAM
PORT 1 DRIVERS
PSW
P1.0 - P1.7
PORT 1
LATCH
ALU
TMP1
AND TIMER BLOCKS
INTERRUPT,
PORT 3 DRIVERS
P3.0 - P3.5
POINTER
STACK
PORT 3
LATCH
FLASH
P3.7
INCREMENTER
PROGRAM
PROGRAM
REGISTER
ADDRESS
COUNTER
BUFFER
DPTR
PC