Microchip AT91SAM7SE256B-AU

AT91SAM7SE256B-AU General Description

This powerhouse of a chip comes equipped with a range of peripherals, including an external bus interface (EBI) that supports static memory, ECC-enabled NAND, CompactFlash, and SDRAM. Additional features include UARTs, USARTs, TWI (I²C), SPI, SSC, four 16-bit PWM controllers, three 16-bit timers, an RTT, and one 8x10-bit ADC

Features

• Diverse I/O Controllers
• High-current Drive Support
• Embedded Memory Protection

Specifications

Parameter	Value	Parameter	Value
Part Family	AT91SAM7SE256	CPU Type	ARM7
MaxSpeed (MHz)	48	SRAM (KB)	32
Temp. Range Min.	-40	Temp. Range Max.	85
Operation Voltage Min.(V)	3	Operation Voltage Max.(V)	3.6
SPI	1 -SPI	I2C	1
UART	3	Crypto Engine	No
Internal Oscillator	32Khz	Pin Count	144
Case/Package	LQFP	Number of Pins	128
Core Architecture	ARM	Data Bus Width	32 b
Frequency	55 MHz	Interface	I2C, SPI, UART, USART, USB
Max Frequency	48 MHz	Max Operating Temperature	85 °C
Max Supply Voltage	3.6 V	Memory Size	256 kB
Memory Type	FLASH	Min Operating Temperature	-40 °C
Min Supply Voltage	1.65 V	Number of A/D Converters	1
Number of ADC Channels	8	Number of I2C Channels	1
Number of I/Os	88	Number of Programmable I/O	88
Number of PWM Channels	4	Number of SPI Channels	1
Number of Timers/Counters	3	Number of UART Channels	2
Number of USB Channels	1	Operating Supply Voltage	3.6 V
Oscillator Type	Internal	Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
RAM Size	32 kB	Schedule B	8542310000
Height	1.6 mm