Document
Freescale Semiconductor Data Sheet: Advance Information
An Energy-Efficient Solution by Freescale
Document Number: FXTH870xD Rev. 1.4, 02/2015
FXTH870xD Tire Pressure Monitor Sensor
FXTH870xD
The FXTH870xD family is comprised of the following functions all within the same package.
Features • Pressure sensor with one of two calibrated pressure ranges
— 100 - 450 kPa — 100 - 900 kPa • Temperature sensor • Optional XZ- or Z-axis accelerometer with adjustable offset option • Voltage reference measured by ADC10 • Six-channel, 10-bit analog-to-digital converter (ADC10) with two external I/O inputs • 8-bit MCU — S08 Core with SIM and interrupt — 512 RAM — 8K FLASH (in addition to 8K providing factory firmware and trim
data) — 64-byte, low-power, parameter registers • Dedicated state machines to sequence routine measurement and transmission processes for reduced power consumption • Internal 315-/434-MHz RF transmitter — External crystal oscillator — PLL-bas.