- Optional pressure ranges
- Optional accelerometer ranges
- Transducer measurement interfaces with low-power AFE
10-bit compensated pressure sense element
10-bit compensated accelerometers
8-bit compensated internal device temperature measurement
8-bit compensated internal device voltage measurement
Two I/O pins can be used for external signals
- 8-bit S08 compact instruction set controller
64 bytes low-power “always on“ NVM parameter registers
512 bytes SRAM
16 kB flash memory (512 bytes reserved for ST coefficients)
Family of firmware libraries available via royalty-free license
- Programmable RF transmitter
Characterized for RF carrier typical of 315 MHz or 434 MHz
Characterized for FSK in ~3 kHz increments or OOK modulation
Characterized for baud rate examples of 9.6 kbp/s, 19.2 kbp/s, and 38.4 kbp/s
- Flexible 125 kHz LF receiver
Capability for ASK or OOK demodulation
Automated Manchester decoding
- Two channel timer / pulse-width module
- Client SPI to support host access to internal peripherals, registers, and memory
- Seven GPIOs with programmable multiplexing to support software development, external analog voltage input, timer, SPI, and wake-up
- Qualified in compliance with AEC-Q100, Rev. H
- Long battery service life
- Internal temperature sensor
- Internal voltage sensor
- Six-channel, 8-, 10-, or 12-bit analog-to-digital converter with two external I/O inputs
- Internal 315 MHz/434 MHz RF transmitter
External crystal oscillator
PLL-based output with fractional-n divider
OOK and FSK modulation capability
Programmable data rate generator
Manchester, Bi-Phase, or NRZ data encoding
256-bit RF data buffer variable length interrupt
Direct access to RF transmitter from MCU for unique formats
Low-power consumption
- Differential input LF detector/decoder on independent signal pins
- Real-time Interrupt driven by LFO with intervals of 2, 4, 8, 16, 32, 64, or 128 ms
- Free-running counter, low-power, wake up timer and periodic reset driven by LFO
- Watchdog timeout with selectable times and clock sources
- Two-channel general-purpose timer/PWM module (TPM1)
- Internal oscillators
MCU bus clock of 0.5, 1, 2, and 4 MHz (1, 2, 4, and 8 MHz HFO)
Low frequency, low-power time clock (LFO) with 1 ms period
Medium frequency, controller clock (MFO) of 8 μs period
- Low-voltage detection
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