SAM7S256_14 Datasheet, PDF (39/775 Pages) ATMEL Corporation – ARM-based Flash MCU

 Programmable center or left aligned output waveform
10.11 USB Device Port (Does not pertain to SAM7S32/16)
 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
 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
 Suspend/resume logic
10.12 Analog-to-digital Converter
 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
 Hardware or software trigger
 External trigger pin
 Timer Counter 0 to 2 outputs TIOA0 to TIOA2 trigger
 Sleep Mode and conversion sequencer
 Automatic wakeup on trigger and back to sleep mode after conversions of all enabled channels
 Four of eight analog inputs shared with digital signals
SAM7S Series [DATASHEET] 39
6175M–ATARM–26-Oct-12