NUC120 Series DATA SHEET
Publication Release Date: May 31, 2010
- 8 - Revision V1.02
• I
2
C
– Two sets of I
2
C device.
– Master/Slave up to 1Mbit/s
– Bidirectional data transfer between masters and slaves
– Multi-master bus (no central master).
– Arbitration between simultaneously transmitting masters without corruption of serial data on
the bus
– Serial clock synchronization allows devices with different bit rates to communicate vian one
serial bus.
– Serial clock synchronization can be used as a handshake mechanism to suspend and resume
serial transfer.
– Programmable clocks allow versatile rate control.
– I2C-bus controllers support multiple address recognition ( two slave address with mask option)
• I
2
S
– Interface with external audio CODEC
– Operate as either master or slave mode
– Capable of handling 8, 16, and 32 bit word sizes
– Mono and stereo audio data supported
– I
2
S and MSB justified data format supported
– Two 8 word FIFO data buffers are provided, one for transmit and one for receive
– Generates interrupt requests when buffer levels cross a programmable boundary
– Support two DMA requests, one for transmit and one for receive
• USB 2.0 Full-Speed Device
– One set of USB 2.0 FS Device 12Mbps
– On-chip USB Transceiver.
– Provide 1 interrupt source with 4 interrupt events.
– Support Control, Bulk In/Out, Interrupt and Isochronous transfers.
– Auto suspend function when no bus signaling for 3 ms.
– Provide 6 programmable endpoints.
– Include 512 Bytes internal SRAM as USB buffer.
– Provide remote wakeup capability.
– Support PDMA mode
• ADC
– 12-bit SAR ADC with 800ksps
– Up to 8-ch single-end mode or 4-ch differential mode
– Single scan/single cycle scan/continuous scan
– Each channel with individual result register
– Scan on enabled channels
– Threshold voltage detection
– Conversion start by S/W, external pins
– Support PDMA Mode
• Analog Comparator
– Two analog comparator modules
– External input or internal bandgap voltage selectable at negative node
– Interrupt when compare result change
– Power down wake up
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