AT89C52-33AI Atmel, AT89C52-33AI Datasheet - Page 2
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AT89C52-33AI
Manufacturer Part Number
AT89C52-33AI
Description
IC 8051 MCU FLASH 8K 44TQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C52-24AC.pdf
(24 pages)
Specifications of AT89C52-33AI
Core Processor
8051
Core Size
8-Bit
Speed
33MHz
Connectivity
SIO, UART/USART
Number Of I /o
32
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Peripherals
-
Block Diagram
2
ALE/PROG
EA / V
PSEN
RST
V
GND
PP
CC
CONTROL
REGISTER
TIMING
OSC
AND
B
RAM ADDR.
REGISTER
AT89C52
INSTRUCTION
REGISTER
ACC
TMP2
RAM
PORT 1 DRIVERS
PSW
P1.0 - P1.7
PORT 0 DRIVERS
PORT 1
LATCH
ALU
P0.0 - P0.7
PORT 0
LATCH
TMP1
INTERRUPT, SERIAL PORT,
AND TIMER BLOCKS
PORT 2
LATCH
PORT 3 DRIVERS
PORT 2 DRIVERS
POINTER
P2.0 - P2.7
STACK
P3.0 - P3.7
PORT 3
LATCH
QUICK
FLASH
INCREMENTER
PROGRAM
PROGRAM
REGISTER
COUNTER
ADDRESS
BUFFER
DPTR
PC