NTM88H135ST1

Tire pressure monitor sensor

Parameters

Target Application	Tire Pressure Monitoring System (TPMS)
Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	125.0
ECCN US	EAR99
ECCN EU	NEC
Package Size	4 x 4 x 1.98
Packing Type	Tape And Reel
RoHs compliant	Ecopack1
Grade	Automotive
Package Name	HQFN24

Description

The NTM88 family consists of small (4 mm x 4 mm x 1.98 mm), fully integrated tire pressure monitoring sensors (TPMS). The devices in NTM88Hxx5S provide low transmitting power consumption, large customer memory size, and dual-axis accelerometer architecture. The NTM88Hxx5S TPMS solution integrates...
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Key features

Key features
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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Parameters

Target Application	Tire Pressure Monitoring System (TPMS)
Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	125.0
ECCN US	EAR99
ECCN EU	NEC
Package Size	4 x 4 x 1.98
Packing Type	Tape And Reel
RoHs compliant	Ecopack1
Grade	Automotive
Package Name	HQFN24

Description

Key features

Key features
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