參數(shù)資料
型號： ST20GP1X33S
廠商： 意法半導(dǎo)體
英文描述： GPS PROCESSOR
中文描述： GPS處理器
文件頁數(shù)： 1/116頁
文件大?。?/td> 884K
代理商： ST20GP1X33S
1/116
.
GPS PROCESSOR
FEATURES
I
Application specific features
12 channel GPS correlation DSP hardware
and ST20 CPU (for control and position calu-
culations) on one chip
no TCXO required
RTCA-SC159 / WAAS / EGNOS supported
I
GPS performance
accuracy
- stand alone
with SA on <100m, SA off <30m
- differential <1m
- surveying <1cm
time to first fix
- autonomous start 90s
- cold start 45s
- warm start 7s
- obscuration 1s
I
32-bit ST20 CPU
16/33 MHz processor clock
25 MIPS at 33 MHz
fast integer/bit operations
I
4 Kbytes on-chip SRAM
130 Mbytes/s maximum bandwidth
I
Programmable memory interface
4 separately configurable regions
8/16-bits wide
support for mixed memory
2 cycle external access
I
Serial communications
Programmable UART (ASC)
OS-Link
I
Vectored interrupt subsystem
2 dedicated interrupt pins
5 levels of interrupt
I
Power management
low power operation
power down modes
I
Professional toolset support
ANSI C compiler and libraries
INQUEST advanced debugging tools
I
Technology
Static clocked 50 MHz design
3.3 V, sub micron technology
I
100 pin PQFP package
ST20-GP1
ENGINEERING DATA
The information in this datasheet is subject to change
42 1672 02
October 1996
APPLICATIONS
I
Global Positioning System (GPS) receivers
I
Car navigation systems
I
Fleet management systems
I
Time reference for telecom systems
GPS
radio
12 channel GPS
hardware DSP
Low
power
controller
Real time
clock/calendar
4K
SRAM
Programmable
memory
interface
RAM
ROM/
FLASH
ST20-GP1
ST20
CPU
Interrupt
controller
Serial
communications
2 UART (ASC)
1 OS-Link
Parallel
input/output
Byte-wide
parallel port
.
6
.
8
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