C8051F321

C8051F320/1 Full Speed USB, 16 k ISP FLASH MCU Family Analog Peripherals - 10-Bit ADC Up to 200 ksps Up to 17 or 13 external single-ended or differential inputs VREF from external pin, internal reference, or VDD Built-in temperature sensor External conversion start input - Two Comparators - Internal Voltage Reference - POR/Brown-Out Detector USB Function Controller - USB specification 2.0 compliant - Full speed (12 Mbps) or low speed (1.5 Mbps) operation - Integrated clock recovery; no external crystal required for full speed or low speed - Supports eight flexible endpoints - 1 kB USB buffer memory - Integrated transceiver; no external resistors required On-Chip Debug - On-chip debug circuitry facilitates full speed, non-intrusive in-system debug (no emulator required) - Provides breakpoints, single stepping, inspect/modify memory and registers - Superior performance to emulation systems using ICE-chips, target pods, and sockets Voltage Regulator Input: 4.0 to 5.25 V High Speed 8051 µC Core - Pipelined instruction architecture; executes 70% of instructions in 1 or 2 system clocks - Up to 25 MIPS throughput with 25 MHz clock - Expanded interrupt handler Memory - 2304 bytes internal RAM (1k + 256 + 1k USB FIFO) - 16 kB Flash; In-system programmable in 512-byte sectors Digital Peripherals - 25/21 Port I/O; All 5 V tolerant with high sink current - Hardware enhanced SPI™, enhanced UART, and SMBus™ serial ports - Four general purpose 16-bit counter/timers - 16-bit pro...