SG187 Motorola / Freescale Semiconductor, SG187 Datasheet - Page 26

• Manufacturer Part Number: SG187
• Description: Automotive Selector Guide 2Q, 2001
• Manufacturer: Motorola / Freescale Semiconductor

Single-Point Sensing
Inertial sensor
Inertial sensor
Inertial sensor
Microcontroller
CAN physical interface
Microcontroller
Microcontroller
CENTRAL
Device Application
BUCKLE-UP
DETECTION
ECU
68HC05 Family
ACCELEROMETER
ACCELEROMETER
SWITCH
SEATING SENSOR
SINGLE AXIS
DUAL AXIS
SWITCH
50g
50g
OR
BASE SYSTEM
OPTIONS
50g
50g
250g
MC68HC05PV8A
MC33388D
XC68HC912BC32 32K FLASH, 1K RAM, 768 EEPROM, timer, PWM, A/D, SCI, SPI, CAN
PC68HC08AZ32A 32K ROM, 1K RAM, 512 EEPROM, timer, PWM, A/D, SCI, SPI, CAN
Suggested
Motorola Single-Point Sensing Solution Example
Device
CAN OR J1850 PHYSICAL LAYER
CAN OR J1850 PHYSICAL LAYER
512–1K RAM, 512 EEPROM
J1850 OR CAN OPTION O
FLASH/EPROM VERSION
2–8 TIMER CHANNELS
8-BIT MCU 8 MHz BUS
8–10 CH, 8-BIT ADC
FOR QUICK TURN
4–8 BIT
ACCELEROMETER
12K–32K ROM
MCU
Dual axis, XY direction
Single axis, X or Z direction
Single axis, Z direction
8K ROM, 192 RAM, 128 EEPROM, timer, PWM, A/D
SPI, CAN, low-speed tolerant physical interface (125kbps)
SINGLE AXIS
1 PACKAGE
SPI, SCI
MCU
1–2 ICs
1 IC
4–8 BIT
ACCELEROMETER
MCU
SINGLE AXIS
DISCRETES
250g
ASIC
OR
DISCRETES
ASIC
OR
SQUIB DRIVER AND
SQUIB DRIVER AND
FAIL LAMP DRIVER
BOOST SUPPLY
ISO INTERFACE
DIAGNOSTICS
DIAGNOSTICS
Vreg + RESET
CIRCUITS
SIDE IMPACT SENSORS
1 IC
1 IC
Device Highlights
2A 2ms
SQUIB
2A 2ms
SQUIB
2A 2ms
SQUIB
2A 2ms
SQUIB
2A 2ms
SQUIB
DRIVER AIR BAG I
2A 2ms
SQUIB
DRIVER AIR BAG
2A 2ms
SQUIB
DRIVER SIDE AIR BAG II
2A 2ms
SQUIB
OCCUPANT PRESENCE
PASSENGER AIR BAG
PASSENGER SIDE AIR BAG I
4–8 BIT
MCU
DRIVER BELT PRETENSIONER
DETECTOR
PASSENGER SIDE AIR BAG II
PASSENGER BELT PRETENSIONER
ASIC
OCCUPANT
DETECTION