ST20-GP1 datasheet(1/116 Pages) STMICROELECTRONICS

部件名	ST20-GP1

功能描述	GPS PROCESSOR

PDF	116 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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GPS PROCESSOR

FEATURES

s

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

s

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

s

32-bit ST20 CPU

• 16/33 MHz processor clock

• 25 MIPS at 33 MHz

• fast integer/bit operations

s

4 Kbytes on-chip SRAM

• 130 Mbytes/s maximum bandwidth

s

Programmable memory interface

• 4 separately configurable regions

• 8/16-bits wide

• support for mixed memory

• 2 cycle external access

s

Serial communications

• Programmable UART (ASC)

• OS-Link

s

Vectored interrupt subsystem

• 2 dedicated interrupt pins

• 5 levels of interrupt

s

Power management

• low power operation

• power down modes

s

Professional toolset support

• ANSI C compiler and libraries

• INQUEST advanced debugging tools

s

Technology

• Static clocked 50 MHz design

• 3.3 V, sub micron technology

s

100 pin PQFP package

ST20-GP1

ENGINEERING DATA

The information in this datasheet is subject to change

42 1672 02

October 1996

APPLICATIONS

s

Global Positioning System (GPS) receivers

s

Car navigation systems

s

Fleet management systems

s

Time reference for telecom systems

GPS

radio

12 channel GPS

Low

controller

power

Real time

clock/calendar

4K

SRAM

Programmable

memory

interface

RAM

ROM/

FLASH

ST20-GP1

ST20

CPU

Interrupt

controller

Serial

communications

Parallel

input/output

Byte-wide

parallel port

...

6

8

2 UART (ASC)

1 OS-Link

.

hardware DSP

类似零件编号 - ST20-GP1

制造商	部件名	数据表	功能描述
STMicroelectronics	ST20-GP6	1Mb / 123P	GPS PROCESSOR Oct-2004

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