SG187 Motorola / Freescale Semiconductor, SG187 Datasheet - Page 24

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

BUTTONS
Microcontroller
Microcontroller
RF transmitter/receiver
RF transmitter/receiver
Microcontroller
J1850 serial link transceiver
CAN physical interface
KEY FOB
V
BATT
LED
V
BATT
Device Application
WITH
KBI
I/O
68HC908RF2
68HC908RK2
68HC05 Family
PTB0
TIM
DATA
V
BATT
RKE Transmitter/Receiver System Example
TRANSMITTER
UPCLK
MC68HC908RK2
XC68HC908RF2
MC33492
MC33590
XC68HC08AS32
MC33390
MC33388D
VCO
PFD
RKE Transmitter/Receiver
Suggested Device
MC33492
V
BATT
XTL
OP1
OP2
FILTER
RFIN
2K FLASH, 128K RAM, timer, low-power embedded FLASH routine
2K FLASH, 128K RAM, timer, integrated RF transmitter
PLL tuned UHF transmitter (ASK and FSK modulation)
PLL tuned UHF AM receiver
20K ROM, 1K RAM, 512 EEPROM, timer, A/D, SCI, SPI, J1850
GM/Chrysler J1850 Class B
SPI, CAN low-speed tolerant physical interface (125kbps)
SAW
ANTENNA
RF DATA
MC33590
DATA OUT
STROBE/
WAKEUP
V
BATT
Device Highlights
RECEIVER
TIM
SPI
68HC08AS20/
68HC08AZ32
J1850
/CAN
ADC
I/O
MC33390
MC33388
MUX
BUS