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C8051F902-GD Datasheet(PDF) 1 Page - Silicon Laboratories |
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C8051F902-GD Datasheet(HTML) 1 Page - Silicon Laboratories |
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1 / 318 page  Single/Dual Battery, 0.9–3.6 V, 16–8 kB, SmaRTClock, 12/10-Bit ADC MCU C8051F91x-C8051F90x Rev. 1.0 9/10 Copyright © 2010 by Silicon Laboratories C8051F91x-C8051F90x Ultra-Low Power - 160 uA/MHz in active mode (24.5 MHz clock) - 2 us wake-up time (two-cell mode) - 10 nA sleep mode with memory retention; - 50 nA sleep mode with brownout detector - 300 nA sleep mode with LFO (‘F912/02 only) - 600 nA sleep mode with external crystal Supply Voltage 0.9 to 3.6 V - One-cell mode supports 0.9 to 1.8 V operation (‘F911/01). ‘F912 and ‘F902 devices can operate from 0.9 to 3.6 V continuously - Two-cell mode supports 1.8 to 3.6 V operation - Built-in dc-dc converter with 1.8 to 3.3 V output for use in one-cell mode - Built-in LDO regulator allows a high analog supply voltage and low digital core voltage - 2 built in supply monitors (brownout detectors) 12-Bit or 10-Bit Analog to Digital Converter - ±1 LSB INL (10-bit mode); ±1.5 LSB INL (12-bit mode, ‘F912/02 only) no missing codes - Programmable throughput up to 300 ksps (10-Bit Mode) or 75 ksps (12-bit mode, ‘F912/02 only) - Up to 15 external inputs - On-chip voltage reference - On-Chip PGA allows measuring voltages up to twice the reference voltage - 16-bit auto-averaging accumulator with burst mode provides increased ADC resolution - Data dependent windowed interrupt generator - Built-in temperature sensor Two Comparators - Programmable hysteresis and response time - Configurable as wake-up or reset source - Up to 15 Capacitive Touch Sense Inputs 6-Bit Programmable Current Reference - Up to ±500 µA. Can be used as a bias or for generating a custom reference voltage - PWM enhanced mode on ‘F912/02 devices 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 - 768 bytes RAM - 16 kB (‘F912/1), or 8 kB (‘F902/1) Flash; In-system programmable Digital Peripherals - 16 port I/O; All 5 V tolerant with high sink current and programmable drive strength - Hardware SMBus™ (I2C™ Compatible), 2 x SPI™, and UART serial ports available concurrently - Four general purpose 16-bit counter/timers - Programmable 16-bit counter/timer array with six capture/compare modules and watchdog timer Clock Sources - Internal oscillators: 24.5 MHz, 2% accuracy supports UART operation; 20 MHz low power oscillator requires very little bias current. - External oscillator: Crystal, RC, C, or CMOS clock - SmaRTClock oscillator: 32 kHz crystal or internal low frequency oscillator (‘F912/02) or self-oscillate mode - Can switch between clock sources on-the-fly; useful in implementing various power saving modes On-Chip Debug - On-chip debug circuitry facilitates full-speed, non- intrusive in-system debug (no emulator required) - Provides 4 breakpoints, single stepping - Inspect/modify memory and registers - Complete development kit Packages - 24-pin QFN (4 x 4 mm) - 24-pin QSOP (easy to hand-solder) - Tested die available Temperature Range: –40 to +85 °C ANALOG PERIPHERALS 12/10-bit 75/300 ksps ADC 16/8 kB ISP FLASH 768 B SRAM POR DEBUG CIRCUITRY FLEXIBLE INTERRUPTS 8051 CPU (25 M IPS) TEMP SENSO R DIGITAL I/O 24.5 MHz PRECISION INTERNAL OSCILLATO R HIGH-SPEED CONTROLLER CORE A M U X VOLTAGE COM PARATORS + – WDT UART SM Bus PCA Tim er 0 Tim er 1 Tim er 2 Tim er 3 Port 0 2 x SPI IREF Port 1 Port 2 + – VREG 20 MHz LO W PO WER INTERNAL O SCILLATO R VREF CRC HARDW ARE Sm aRTClock External Oscillator |
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