Freescale Semiconductor Document Number: FXTH870x6 Data Sheet: Advance Information Rev. 1.3, 09/2014 An Energy-Efficient Solution by Freescale FXTH870x6 Tire Pressure Monitor FXTH870x6 Sensor The FXTH870x6 family is comprised of the following functions all within the same package. Top and bottom view 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 24-Pin, 1-hole lid Six-channel, 10-bit analog-to-digital converter (ADC10) with two external 7 x 7 QFN I/O inputs Case 2264-03 8-bit MCU S08 Core with SIM and interrupt 512 RAM Top view 8K FLASH (in addition to 8K providing factory firmware and trim data) ID Feature 64-byte, low-power, parameter registers on top lid Dedicated state machines to sequence routine measurement and transmission processes for reduced power consumption PTB1 1 18 PTA3 Internal 315-/434-MHz RF transmitter PTA2 2 17 LFA External crystal oscillator PTA1 3 16 LFB PLL-based output with fractional-n divider BKGD/PTA4 PTA0 4 15 OOK and FSK modulation capability RESET 5 14 X0 Programmable data rate generator V 6 13 X1 Manchester, Bi-Phase or NRZ data encoding SS 256-bit RF data buffer variable length interrupt Direct access to RF transmitter from MCU for unique formats Low power consumption (less than 8 mA at 434 MHz, 5 dBM at Pin connections 3.0 V, 25 C) Differential input LF detector/decoder on independent signal pins Seven multipurpose GPIO pins Four pins can be connected to optional internal pullups/pulldowns and STOP4 wakeup interrupt Two of seven pins can be connected to a channel on the ADC10 Two of seven pins can be connected to a channel on the TPM1 Real-Time Interrupt driven by LFO with interrupt intervals of 8, 16, 32, 64, 128, 256, 512 or 1024 ms Low-power, wakeup timer and periodic reset driven by LFO Watchdog timeout with selectable times and clock sources Two-channel general purpose timer/PWM module (TPM1) This document contains information on a new product. Specifications and information herein are subject to change without notice. 2014 Freescale Semiconductor, Inc. All rights reserved. V 7 24 PTB0 DD V 8 23 N/C DDA V SSA 9 22 N/C RFV 10 21 N/C SS RF 11 20 N/C V REG 12 19 N/C 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 sec period Low-voltage detection Normal temperature restart in hardware (over- or under-temperature detected by software) ORDERING INFORMATION Part number Accelerometer axis Package Range Code1 FXTH8705026T1 Z 2264 (7 x 7, 1-hole lid) 100-450 kPa 08 FXTH8705116T1 XZ 2264 (7 x 7, 1-hole lid) 100-450 kPa 0C FXTH8709026T1 Z 2264 (7 x 7, 1-hole lid) 100-900 kPa 18 FXTH8709116T1 XZ 2264 (7 x 7, 1-hole lid) 100-900 kPa 1C FXTH8709126T1 XZ Ext. Range 2264 (7 x 7, 1-hole lid) 100-900 kPa 1E Code1 Code0 FXTH8709226T1 XZ 2264 (7 x 7, 1-hole lid) 100-900 kPa 1C Rel11 Related Documentation The FXTH870x6 device features and operations are described in a variety of reference manuals, user guides, and application notes. To find the most-current versions of these documents: 1. Go to the Freescale homepage at: