MCU-AT91 series microcontroller-

AT91M42800A-33AU-999

brand：Microchip Atmel

Description：ARM7TDMI Microcontroller with 8KB on-chip SRAM, 144 Pins

Packaging：

Packaging：LQFP R-LQ144_D 144

Lead-free status/ROHS： Yes

Category：AT91 series microcontroller

Seller：科通芯城自营

Parameter
Description

Parameter	Value
FPU	No
SPI	2
Pin Count	144
Self Program Memory	NO
picoPower	No
I/O Supply Class	3.3/5.0
Video Decoder	No
Temp. Sensor	No
Crypto Engine	No
Max I/O Pins	54
Temp. Range (deg C)	-40 to 85
Camera Interface	No
Graphic LCD	No
Max. Operating Frequency	33 MHz
TWI (I2C)	0
MPU / MMU	no / no
CPU	ARM7TDMI
Output Compare channels	6
Hardware QTouch Acquisition	No
Ext Interrupts	54
PWM Channels	0
32kHz RTC	Yes
EEPROM (Bytes)	0
DRAM Memory	No
External Bus Interface	1
Calibrated RC Oscillator	No
Resistive Touch Screen	No
DAC Resolution (bits)	0
UART	2
Timers	6
USB Speed	No
Flash (Kbytes)	0 Kbytes
USB Interface	No
NAND Interface	No
SRAM (Kbytes)	8
Input Capture Channels	6

The M42800A features 8KB of on-chip SRAM, an external bus interface, 6-channel timer/counter, two USARTs, two master/slave SPI Interfaces, three System Timers and an advanced Power Management Controller.

AT91M42800A-33AU-999

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