C8051F987
C8051F987 is Capacitive Sensing MCU manufactured by Silicon Labs.
- Part of the C8051F98X comparator family.
- Part of the C8051F98X comparator family.
C8051F99x-C8051F98x
Ultra Low Power, 8-2 k B Flash, Capacitive Sensing MCU
Ultra Low Power Consumption
- 150 µA/MHz in active mode (24.5 MHz clock)
- 2 µs wakeup time
- 10 n A sleep mode with memory retention
- 50 n A sleep mode with brownout detector
- 300 n A sleep mode with LFO
- 600 n A sleep mode with external crystal Supply Voltage 1.8 to 3.6 V
- Built-in LDO regulator allows a high analog supply voltage and low digital core voltage
- 2 built-in supply monitors (brownout detector) for sleep mode and active modes 12-Bit or 10-Bit Analog to Digital Converter
- ±1 LSB INL (10-bit mode); ±1.5 LSB INL (12-bit mode) no missing codes
- Programmable throughput up to 300 ksps (10-bit mode) or 75 ksps (12-bit mode)
- Up to 10 external inputs
- On-chip voltage reference; 0.5x gain 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
- 512 bytes RAM
- 8 k B (F990/1/6/7, F980/1/6/7), 4 k B (F982/3/8/9), or
2 k B (F985) Flash; in-system programmable
Digital Peripherals
- Up to 17 port I/O; high sink current and
- programmable drive strength Hardware SMBus™/I2C™, SPI™, and UART serial ports available concurrently Four general purpose 16-bit counter/timers Programmable 16-bit counter/timer array with three capture/pare 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 Sma RTClock oscillator: 32 k Hz Crystal or internal Can switch between clock sources on-the-fly; useful in implementing various power saving...