參數資料
型號: 935260577557
廠商: NXP SEMICONDUCTORS
元件分類: 無繩電話/電話
英文描述: TELECOM, CORDLESS, BASEBAND CIRCUIT, PQFP100
封裝: PLASTIC, SOT-407, LQFP-100
文件頁數: 12/59頁
文件大小: 781K
代理商: 935260577557
1999 Jun 04
2
Philips Semiconductors
Product specication
Global Positioning System (GPS)
baseband processor
SAA1575HL
CONTENTS
1
FEATURES
2
GENERAL DESCRIPTION
3
QUICK REFERENCE DATA
4
ORDERING INFORMATION
5
BLOCK DIAGRAM
6
PINNING
7
FUNCTIONAL DESCRIPTION
7.1
Overview
7.2
The 80C51XA processor
7.3
The GPS correlators
7.4
Memory organization
7.4.1
Data memory space
7.4.2
Code memory space
7.5
CPU peripheral features
7.5.1
Timers/counters
7.5.2
Watchdog timer
7.5.3
UARTs
7.5.4
RF IC programming port
7.5.5
General purpose I/O
7.6
The real-time clock
7.7
The external bus
7.7.1
Program memory chip select
7.7.2
Data memory chip select
7.7.3
Read strobe
7.7.4
Write LOW byte strobe
7.7.5
Write HIGH byte strobe
7.8
Backup supplies and reset
7.8.1
Supply domains
7.8.2
Power-down design strategy
7.8.3
System reset control
7.8.4
Power saving modes
7.9
Clock signals and oscillators
7.9.1
System clock (XTAL1)
7.9.2
RTC clock (XTAL3)
7.9.3
Reference clock (RCLK)
8
LIMITING VALUES
9
THERMAL CHARACTERISTICS
10
DC CHARACTERISTICS
11
AC CHARACTERISTICS
12
DEFAULT APPLICATION AND
DEMONSTRATION BOARD
13
PACKAGE OUTLINE
14
SOLDERING
14.1
Introduction to soldering surface mount
packages
14.2
Reflow soldering
14.3
Wave soldering
14.4
Manual soldering
14.5
Suitability of surface mount IC packages for
wave and reflow soldering methods
15
DEFINITIONS
16
LIFE SUPPORT APPLICATIONS
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