Data Sheet

NUC123
May 3, 2017 Page 11 of 99 Rev.2.04
NUC123 SERIES DATASHEET
– Generates interrupt requests when buffer levels cross a programmable boundary
– Supports two DMA requests, one for transmitting and the other for receiving
 PS/2 Device Controller
– Host communication inhibit and request to send detection
– Reception frame error detection
– Programmable 1 to 16 bytes transmit buffer to reduce CPU intervention
– Double buffer for data reception
– S/W override bus
 USB 2.0 Full-Speed Device
– One set of USB 2.0 FS Device 12 Mbps
– On-chip USB transceiver
– Provides 1 interrupt source with 4 interrupt events
– Supports Control, Bulk In/Out, Interrupt and Isochronous transfers
– Auto suspend function when no bus signaling for 3 ms
– Provides 8 programmable endpoints
– Includes 512 bytes internal SRAM as USB buffer
– Provides remote wake-up capability
 ADC
– 10-bit SAR ADC with 150K SPS (for NUC123xxxANx)
– 10-bit SAR ADC with 200K SPS (for NUC123xxxAEx)
– Up to 8-ch single-end input
– Single scan/single cycle scan/continuous scan
– Each channel with individual result register
– Scan on enabled channels
– Threshold voltage detection
– Conversion start by software programming or external input
– Supports PDMA mode
 Brown-out detector
– With 4 levels: 4.4 V/3.7 V/2.7 V/2.2 V
– Supports Brown-out Interrupt and Reset option
 Low Voltage Reset
– Threshold voltage levels: 2.0 V
 One built-in LDO
 Operating Temperature: -40℃~85℃ (for NUC123xxxANx)
 Operating Temperature: -40℃~105℃ (for NUC123xxxAEx)
 Packages:
– All Green package (RoHS)
– LQFP 64-pin
– LQFP 48-pin
– QFN 33-pin