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ST20GP1X33S PDF预览

ST20GP1X33S

更新时间： 2022-11-25 12:53:52

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		全球定位系统
页数	文件大小	规格书
116页	881K
描述
GPS PROCESSOR

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ST20GP1X33S 数据手册

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ST20-GP1

GPS PROCESSOR

ENGINEERING DATA

FEATURES

■ Application specific features

• 12 channel GPS correlation DSP hardware

and ST20 CPU (for control and position calu-

culations) on one chip

GPS

radio

• no TCXO required

• RTCA-SC159 / WAAS / EGNOS supported

ST20-GP1

■ 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

12 channel GPS

hardware DSP

ST20

CPU

- warm start 7s

Low

power

controller

Interrupt

controller

- obscuration 1s

■ 32-bit ST20 CPU

• 16/33 MHz processor clock

• 25 MIPS at 33 MHz

Real time

clock/calendar

Serial

• fast integer/bit operations

■ 4 Kbytes on-chip SRAM

• 130 Mbytes/s maximum bandwidth

■ Programmable memory interface

• 4 separately configurable regions

• 8/16-bits wide

• support for mixed memory

• 2 cycle external access

■ Serial communications

• Programmable UART (ASC)

• OS-Link

communications

2 UART (ASC)

1 OS-Link

4K

SRAM

.

.

.

Parallel

input/output

6

8

Programmable

memory

.

.

.

Byte-wide

parallel port

interface

■ Vectored interrupt subsystem

• 2 dedicated interrupt pins

• 5 levels of interrupt

■ Power management

ROM/

FLASH

RAM

• low power operation

• power down modes

■ Professional toolset support

• ANSI C compiler and libraries

• INQUEST advanced debugging tools

■ Technology

• Static clocked 50 MHz design

• 3.3 V, sub micron technology

■ 100 pin PQFP package

APPLICATIONS

■ Global Positioning System (GPS) receivers

■ Car navigation systems

■ Fleet management systems

■ Time reference for telecom systems

October 1996

1/116

42 1672 02

The information in this datasheet is subject to change

12 3 4 5 6 7...116

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