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C8051F91x-C8051F90x
Single/Dual Battery, 0.9–3.6 V, 16–8 kB, SmaRTClock, 12/10-Bit ADC MCU 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
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, nonintrusive in-system debug (no emulator required)
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
- 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
A M U X
D.