參數(shù)資料
型號(hào)： PPXY8300A6T1
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： Pressure Sensor
英文描述： DIFFERENTIAL, PEIZORESISTIVE PRESSURE SENSOR, RECTANGULAR, SURFACE MOUNT
封裝： SOIC-20
文件頁(yè)數(shù)： 1/162頁(yè)
文件大小： 4316K
代理商： PPXY8300A6T1
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Freescale Semiconductor, Inc., 2007, 2008. All rights reserved.
MPXY8300
Rev 2, 1/2008
Freescale Semiconductor
Product Specification
This document contains information on a new product. Specifications and information herein
are subject to change without notice.
Tire Pressure Monitor Sensor
Product Specification
The MPXY8300 Series is a 20-pin sensor for use in applications that monitor tire
pressure and temperature. It contains the pressure, temperature and 2-axis
accelerometer sensors, a microcontroller, and an RF output all within a single
package.
The MPXY8300 Series is comprised of the following functions all within the
same package.
Features
Pressure sensor with signal interface to ADC10
Temperature sensor with signal interface to ADC10
Z- and X-axis accelerometers with signal interface to ADC10
Voltage reference measured by ADC10
4-channel, 10-bit analog-to-digital converter
8-bit MCU
–
S08 Core with SIM, interrupt and debug/monitor
–
512 RAM
–
8K FLASH (in addition to 8K providing factory firmware and trim
data)
–
32-byte, low power, parameter registers
Internal 315/434 MHz RF transmitter
–
External crystal oscillator
–
PLL-based output with fractional-n divider
–
ASK and FSK modulation capability
–
Programmable data rate generator
–
Manchester or bi-phase data encoding
–
128-bit RF data buffer with RTS/CTS handshake
–
Direct access to RF transmitter from MCU for unique formats
–
Supply voltage charge pump to compensate for cold batteries
with selectable charge times (30, 60, 120 and 240 msec)
Differential input LF detector/decoder
4 GPIO pins with optional pull-ups/pull-downs and wake-up interrupt
Real Time Interrupt driven by LFO with interrupt intervals of
8, 16, 32, 64, 128, 256, 512 or 1024 msec
Low power wake-up timer and periodic reset driven by LFO
Watchdog time-out with selectable times and clock sources
2-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)
–
Charge pump clock of 10 MHz
–
Low frequency, low power time clock (LFO) with 1 msec period
–
Medium frequency, LFR decoder and sensor clock (MFO) of
8
μsec period
Low voltage detection
Normal temperature restart in hardware (over temperature detected
by software)
MPXY8300
Series
TIRE PRESSURE,
TEMPERATURE AND
ACCELERATION SENSOR
20-LEAD
SOIC
CASE 1793-03
Figure 1. Pin Connections
Top View
1
2
3
4
5
6
7
8
20
19
18
17
16
15
14
13
N/C
BKGD
VSS
PTA1
PTA2
PTA3
VDD
PTA0
PTA6
XI
XO
RVSS
RF
VRF
VCAP
AVSS
Pressure Port Up
9
12
RESET
AVDD
11
10
PTA5
N/C
g-Cell
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