Philips Semiconductors
Product specification
Low power clock/calendar
CONTENTS
1
2
3
4
5
6
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.10.1
7.11
8
8.1
8.2
8.3
8.4
9
9.1
9.2
FEATURES
GENERAL DESCRIPTION
QUICK REFERENCE DATA
ORDERING INFORMATION
BLOCK DIAGRAM
PINNING
FUNCTIONAL DESCRIPTION
Counter function modes
Alarm function modes
Control/status register
Counter registers
Alarm control register
Alarm registers
Timer
Event counter mode
Interrupt output
Oscillator and divider
Designing
Initialization (see Fig.12)
CHARACTERISTICS OF THE I
2
C-BUS
Bit transfer
Start and stop conditions
System configuration
Acknowledge
I
2
C-BUS PROTOCOL
Addressing
Clock/calendar READ/WRITE cycles
10
11
12
13
14
14.1
14.1.1
14.1.2
14.1.3
15
16
16.1
16.2
16.2.1
16.2.2
16.3
16.3.1
16.3.2
16.3.3
17
18
19
LIMITING VALUES
HANDLING
DC CHARACTERISTICS
AC CHARACTERISTICS
PCF8593
APPLICATION INFORMATION
Quartz frequency adjustment
Method 1: Fixed OSCI capacitor
Method 2: OSCI Trimmer
Method 3: direct output
PACKAGE OUTLINES
SOLDERING
Introduction
DIP
Soldering by dipping or by wave
Repairing soldered joints
SO
Reflow soldering
Wave soldering
Repairing soldered joints
DEFINITIONS
LIFE SUPPORT APPLICATIONS
PURCHASE OF PHILIPS I
2
C COMPONENTS
1997 Mar 25
2
PHILIPS [ NXP SEMICONDUCTORS ]
