C8051T321DB28 Silicon Labs

C8051T620/1/6/7 & C8051T320/1/2/3 Full Speed USB EPROM MCU Family Analog Peripherals High-Speed 8051 C Core - 10-Bit ADC (T620/6/7 and T320/1 only) - Pipelined instruction architecture executes 70% of Up to 500 ksps instructions in 1 or 2 system clocks Up to 21 external inputs - Up to 48 MIPS throughput with 48 MHz clock VREF from on-chip VREF, external pin, Internal 1.8 V - Expanded interrupt handler Regulator or V DD Internal or external start of conversion source Memory Built-in temperature sensor - Up to 3328 bytes internal data RAM (256 + up to - Comparators 3072) Programmable hysteresis and response time - Up to 64 kB byte-programmable EPROM code Configurable as interrupt or reset source memory Low current (<0.5 A) - EPROM can be programmed from firmware running USB Function Controller on the device - USB specification 2.0 compliant Digital Peripherals - Full speed (12 Mbps) or low speed (1.5 Mbps) oper- - 25 Port I/O with high sink current capability ation - Hardware enhanced SPI, SMBus, and two - Integrated clock recovery no external oscillator enhanced UART serial ports required for full speed or low speed - Four general purpose 16-bit counter/timers - Supports eight flexible endpoints - 16-Bit programmable counter array (PCA) with five - 1 kB USB buffer memory capture/compare modules and enhanced PWM - Integrated transceiver no external resistors functionality required Clock Sources On-Chip Debug - Two internal oscillators: - C8051F34A can be used as code development plat- 48 MHz: 0.25% accuracy with clock recovery form Complete development kit available enabled. Supports all USB and UART modes - On-chip debug circuitry facilitates full speed, non- 80/40/20/10 kHz low frequency, low power intrusive in-system debug - External oscillator: Crystal, RC, C, or CMOS Clock - Provides breakpoints, single stepping, - Can switch between clock sources on-the-fly useful inspect/modify memory and registers in power saving modes Supply V Voltage 1.8 to 5.25 Package Options: - On-chip LDO for internal core supply - 5 x 5 mm QFN28 or QFN32 - Built-in supply voltage monitor - 9 x 9 mm LQFP32 T Cemperature Range: 40 to +85 Rev. 1.3 9/19 Copyright 2019 by Silicon Laboratories C8051T620/1/6/7 & C8051T320/1/2/3 Not Recommended for New Designs C8051T620/1/6/7 & C8051T320/1/2/3 2 Rev. 1.3 Not Recommended for New Designs