MCU-AT91 series microcontroller-

AT91R40008-66AU

brand：Microchip Atmel

Description：ARM7TDMI Microcontroller with 256KB SRAM, 100 Pins

Packaging：

Packaging：LQFP R-LQ100_H 100

Lead-free status/ROHS： Yes

Category：AT91 series microcontroller

Seller：科通芯城自营

Parameter	Value
DAC Resolution (bits)	0
UART	2
CPU	ARM7TDMI
Output Compare channels	3
Hardware QTouch Acquisition	No
Camera Interface	No
Graphic LCD	No
32kHz RTC	No
EEPROM (Bytes)	0
MPU / MMU	no / no
External Bus Interface	1
Calibrated RC Oscillator	No
Resistive Touch Screen	No
Ext Interrupts	32
Timers	3
Max. Operating Frequency	75 MHz
DRAM Memory	No
SRAM (Kbytes)	256
Input Capture Channels	3
Max I/O Pins	32
Self Program Memory	NO
picoPower	No
USB Speed	No
I/O Supply Class	3.3
Flash (Kbytes)	0 Kbytes
USB Interface	No
NAND Interface	No
Temp. Sensor	No
FPU	No
Crypto Engine	No
Pin Count	100
Temp. Range (deg C)	-40 to 85
PWM Channels	0
Video Decoder	No
TWI (I2C)	0

The R40008 features 256KB of on-chip SRAM, an external bus interface, 3-channel timer/counter, two USARTs, watchdog timer, and advanced power-saving features.

Metering: 电表

AT91R40008-66AU

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