AT89C55-24QI Atmel, AT89C55-24QI Datasheet - Page 23
AT89C55-24QI
Manufacturer Part Number
AT89C55-24QI
Description
Microcontrollers (MCU) Microcontroller
Manufacturer
Atmel
Datasheet
1.AT89C55-24JI.pdf
(24 pages)
Specifications of AT89C55-24QI
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
20 KB
Data Ram Size
256 B
Interface Type
UART
Maximum Clock Frequency
24 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
PQFP-44
Minimum Operating Temperature
- 40 C
Lead Free Status / Rohs Status
No
Notes:
1.
2.
XTAL1 tied to GND for I
Lock bits programmed
CC
(power down)
4-191