8-bit microcontroller featuring an 8051 CPU core, operating at a maximum clock frequency of 33MHz with a speed of 24MHz. This FLASH-programmable device offers 20480 words of ROM and 256 bytes of RAM, with 32 I/O lines, an 8-bit external data bus, and a 16-bit address bus. Housed in a 44-terminal PQFP package (10x10mm, 1mm height, 0.80mm pitch), it operates within an industrial temperature range of -40°C to 85°C and supports supply voltages from 4V to 5.5V.
Frequency24
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Technical Specifications
Atmel AT89C55WD-24AU technical specifications.
General
Max Operating Temperature
85
Number of Terminals
44
Min Operating Temperature
-40
Terminal Position
QUAD
JEDEC Package Code
S-PQFP-G44
Width
10
Length
10
Pin Count
44
Temperature Grade
INDUSTRIAL
Supply Current-Max
25
Supply Voltage-Nom
5
Supply Voltage-Min
4
Supply Voltage-Max
5.5
Clock Frequency-Max
33
uPs/uCs/Peripheral ICs Type
MICROCONTROLLER
Number of I/O Lines
32
External Data Bus Width
8
Address Bus Width
16
Bit Size
8
Speed
24
ROM Programmability
FLASH
ROM (words)
20480
RAM (bytes)
256
PWM Channels
NO
Has ADC
NO
DMA Channels
NO
DAC Channels
NO
Compliance
RoHS
Yes
Eccn Code
3A991.A.2
Lead Free
Yes
HTS Code
8542.31.00.01
REACH
unknown
Military Spec
False
Datasheet
Atmel AT89C55WD-24AU Datasheet
Download the complete datasheet for Atmel AT89C55WD-24AU to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.