AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 39

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

Specifications of AT91SAM7S256D-AU

• Rohs: yes
• Core: ARM
• Processor Series: AT91SAM
• Data Bus Width: 16 bit/32 bit
• Maximum Clock Frequency: 55 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LQFP-64
• Mounting Style: SMD/SMT
• Interface Type: 2-Wire, I2S, SPI, USART
• Length: 7 mm

10.11 USB Device Port (Does not pertain to SAM7S32/16)
10.12 Analog-to-digital Converter
USB V2.0 full-speed compliant, 12 Mbits per second.
Embedded USB V2.0 full-speed transceiver
Embedded 328-byte dual-port RAM for endpoints
Four endpoints
Suspend/resume logic
8-channel ADC
10-bit 384 Ksamples/sec. or 8-bit 583 Ksamples/sec. Successive Approximation Register ADC
±2 LSB Integral Non Linearity, ±1 LSB Differential Non Linearity
Integrated 8-to-1 multiplexer, offering eight independent 3.3V analog inputs
External voltage reference for better accuracy on low voltage inputs
Individual enable and disable of each channel
Multiple trigger source
Sleep Mode and conversion sequencer
Four of eight analog inputs shared with digital signals
Programmable center or left aligned output waveform
Endpoint 0: 8 bytes
Endpoint 1 and 2: 64 bytes ping-pong
Endpoint 3: 64 bytes
Ping-pong Mode (two memory banks) for isochronous and bulk endpoints
Hardware or software trigger
External trigger pin
Timer Counter 0 to 2 outputs TIOA0 to TIOA2 trigger
Automatic wakeup on trigger and back to sleep mode after conversions of all enabled channels
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
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