Connectivity is I²C, SPI, SSC, UART/USART - Embedded - Microcontrollers Distributor - AT91SAM7S32-AU-001 AT91SAM7S32B-AU AT91SAM7S64-AU-001

Part Number	Manufacturer / Brand	Brife Description	Part Status	Core Processor	Core Size	Speed	Connectivity	Peripherals	Number of I/O	Program Memory Size	Program Memory Type	EEPROM Size	RAM Size	Voltage - Supply (Vcc/Vdd)	Data Converters	Oscillator Type	Operating Temperature	Package / Case	Supplier Device Package
AT91SAM7S32-AU-001	Microchip Technology	IC MCU 32BIT 32KB FLASH 48LQFP	Obsolete	ARM7®	16/32-Bit	55MHz	I²C, SPI, SSC, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	32KB (32K x 8)	FLASH	-	8K x 8	1.65 V ~ 1.95 V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	48-LQFP	48-LQFP (7x7)
AT91SAM7S32B-AU	Microchip Technology	IC MCU 32BIT 32KB FLASH 48LQFP	Active	ARM7®	16/32-Bit	55MHz	I²C, SPI, SSC, UART/USART	Brown-out Detect/Reset, DMA, POR, PWM, WDT	21	32KB (32K x 8)	FLASH	-	8K x 8	1.65 V ~ 1.95 V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	48-LQFP	48-LQFP (7x7)
AT91SAM7S64-AU-001	Microchip Technology	IC MCU 32BIT 64KB FLASH 64LQFP	Obsolete	ARM7®	16/32-Bit	55MHz	I²C, SPI, SSC, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	32	64KB (64K x 8)	FLASH	-	16K x 8	1.65 V ~ 1.95 V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	64-LQFP	64-LQFP (10x10)
AT91SAM7S64-MU	Microchip Technology	IC MCU 32BIT 64KB FLASH 64QFN	Obsolete	ARM7®	16/32-Bit	55MHz	I²C, SPI, SSC, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	32	64KB (64K x 8)	FLASH	-	16K x 8	1.65 V ~ 1.95 V	A/D 8x10b	Internal	-40°C ~ 85°C (TA)	64-VFQFN Exposed Pad	64-QFN (9x9)