saa1575hl NXP Semiconductors, saa1575hl Datasheet - Page 2

• Manufacturer Part Number: saa1575hl
• Description: Global Positioning System Gps Baseband Processor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
CONTENTS
1
2
3
4
5
6
7
7.1
7.2
7.3
7.4
7.4.1
7.4.2
7.5
7.5.1
7.5.2
7.5.3
7.5.4
7.5.5
7.6
7.7
7.7.1
7.7.2
7.7.3
7.7.4
7.7.5
7.8
7.8.1
7.8.2
7.8.3
7.8.4
7.9
7.9.1
7.9.2
7.9.3
1999 Jun 04
Global Positioning System (GPS)
baseband processor
FEATURES
GENERAL DESCRIPTION
QUICK REFERENCE DATA
ORDERING INFORMATION
BLOCK DIAGRAM
PINNING
FUNCTIONAL DESCRIPTION
Overview
The 80C51XA processor
The GPS correlators
Memory organization
Data memory space
Code memory space
CPU peripheral features
Timers/counters
Watchdog timer
UARTs
RF IC programming port
General purpose I/O
The real-time clock
The external bus
Program memory chip select
Data memory chip select
Read strobe
Write LOW byte strobe
Write HIGH byte strobe
Backup supplies and reset
Supply domains
Power-down design strategy
System reset control
Power saving modes
Clock signals and oscillators
System clock (XTAL1)
RTC clock (XTAL3)
Reference clock (RCLK)
2
8
9
10
11
12
13
14
14.1
14.2
14.3
14.4
14.5
15
16
LIMITING VALUES
THERMAL CHARACTERISTICS
DC CHARACTERISTICS
AC CHARACTERISTICS
DEFAULT APPLICATION AND
DEMONSTRATION BOARD
PACKAGE OUTLINE
SOLDERING
Introduction to soldering surface mount
packages
Reflow soldering
Wave soldering
Manual soldering
Suitability of surface mount IC packages for
wave and reflow soldering methods
DEFINITIONS
LIFE SUPPORT APPLICATIONS
Product specification
SAA1575HL