at91sam7x256 ATMEL Corporation, at91sam7x256 Datasheet - Page 38

• Manufacturer Part Number: at91sam7x256
• Description: Preliminary Summary
• Manufacturer: ATMEL Corporation

10.14 CAN Controller
10.15 Analog-to-Digital Converter
38
AT91SAM7X512/256/128 Preliminary
•
•
•
• Suspend/resume logic
• 8-channel ADC
• 10-bit 384 K samples/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 sources
• Sleep Mode and conversion sequencer
• Four of eight analog inputs shared with digital signals
Fully compliant with CAN 2.0A and 2.0B
Bit rates up to 1Mbit/s
Eight object oriented mailboxes each with the following properties:
– CAN Specification 2.0 Part A or 2.0 Part B Programmable for each Message
– Object configurable to receive (with overwrite or not) or transmit
– Local tag and mask filters up to 29-bit identifier/channel
– 32-bit access to data registers for each mailbox data object
– Uses a 16-bit time stamp on receive and transmit message
– Hardware concatenation of ID unmasked bitfields to speedup family ID processing
– 16-bit internal timer for time stamping and network synchronization
– Programmable reception buffer length up to 8 mailbox objects
– Priority management between transmission mailboxes
– Autobaud and listening mode
– Low power mode and programmable wake-up on bus activity or by the application
– Data, remote, error and overload frame handling
– 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
6120ES–ATARM–08-Oct-07