C8051T326-GM Silicon Labs

C8051T622/3 and C8051T326/7 Full Speed USB EPROM MCU Family USB Function Controller Digital Peripherals - USB specification 2.0 compliant - Up to 16 Port I/O with high sink current capability - Full speed (12 Mbps) or low speed (1.5 Mbps) oper- - Hardware enhanced SPI, SMBus, and two ation enhanced UART serial ports - Integrated clock recovery no external oscillator - Four general purpose 16-bit counter/timers required for full speed or low speed - 16-Bit programmable counter array (PCA) with three - Supports six flexible endpoints capture/compare modules and enhanced PWM functionality - 256-Byte USB buffer memory Clock Sources - Integrated transceiver no external resistors - Two internal oscillators: required 48 MHz: 0.25% accuracy with clock recovery On-Chip Debug enabled. Supports all USB and UART modes - C8051F34A can be used as code development plat- 80/40/20/10 kHz low frequency, low power form Complete development kit available - External oscillator: Crystal, RC, C, or CMOS Clock - On-chip debug circuitry facilitates full speed, non- - Can switch between clock sources on-the-fly useful intrusive in-system debug in power saving modes - Provides breakpoints, single stepping, Supply Voltage 1.8 to 5.25 V inspect/modify memory and registers - On-chip LDO for internal core supply High-Speed 8051 C Core - Built-in supply voltage monitor - Pipelined instruction architecture executes 70% of Package Options: instructions in 1 or 2 system clocks - 4 x 4 mm QFN24 - Up to 48 MIPS throughput with 48 MHz clock - 5 x 5 mm QFN28 - Expanded interrupt handler Temperature Range: 40 to +85 C Memory - 1280 Bytes internal data RAM (256 + 1024) - 16/8 kB byte-programmable EPROM code memory - EPROM can be programmed from firmware running on the device ANALOG DIGITAL I/O PERIPHERALS UART0 UART1 Port 0 SMBus VREG SPI PCA Timer 0 Port 1 USB Controller / Timer 1 Timer 2 Transceiver P2.0 Timer 3 LOW FREQUENCY INTERNAL OSCILLATOR 48 MHz PRECISION INTERNAL OSCILLATOR HIGH-SPEED CONTROLLER CORE 16/8 KB 8051 CPU 1280 B SRAM EPROM (48 MIPS) FLEXIBLE DEBUG CIRCUITRY POR WDT INTERRUPTS Rev. 1.2 3/19 Copyright 2019 by Silicon Laboratories C8051T622/3 and C8051T326/7 Not Recommended for New Designs CROSSBARC8051T622/3 and C8051T326/7 2 Rev. 1.2 Not Recommended for New Designs