Data Sheet #: TM102

Page 2 of 48

Rev: P01

Date: August 22, 2007

© Copyright the Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice

STC5230

Synchronous Clock for SETS

Data Sheet

Preliminary

Table of Contents

STC5230 Pin Diagram (Top View) .................................................................................................................... 4

STC5230 Pin Description .................................................................................................................................. 5

Absolute Maximum Ratings ............................................................................................................................... 7

Operating Conditions and Electrical Characteristics .......................................................................................... 7

General Description ......................................................................................................................................... 11

Detailed Description ......................................................................................................................................... 12

Chip Master Clock Input ........................................................................................................................... 12

Operating Mode General Description ...................................................................................................... 12

Operating Mode Details ........................................................................................................................... 12

Freerun/Master Mode ....................................................................................................................... 12

Holdover/Master Mode ..................................................................................................................... 12

Synchronized/Master Mode ............................................................................................................. 13

Slave Mode ...................................................................................................................................... 13

Operating Mode Transition Details .......................................................................................................... 13

History Accumulation Details ................................................................................................................... 14

Phase-Locked Loop Status Details .......................................................................................................... 14

Reference Input Monitoring and Qualification .......................................................................................... 15

Active Reference Selection ...................................................................................................................... 16

Manual Reference Selection Mode .................................................................................................. 16

Automatic Reference Selection Mode .............................................................................................. 16

Output Clocks .......................................................................................................................................... 17

Master/Slave Configuration ...................................................................................................................... 18

Master/Slave Operation ........................................................................................................................... 18

Event Interrupts ........................................................................................................................................ 19

Field Upgrade Feature ............................................................................................................................. 19

Load mode configuration pins .......................................................................................................... 19

Bus Load Process ............................................................................................................................ 20

EEPROM Load Process ................................................................................................................... 21

EEPROM: Read and Write ............................................................................................................... 21

Processor Interface Descriptions ............................................................................................................. 22

Serial Bus Timing ............................................................................................................................. 22

Register Descriptions and Operation ............................................................................................................... 24

General Register Operation ..................................................................................................................... 24

Multibyte register reads .................................................................................................................... 24

Multibyte register writes ................................................................................................................... 24

Clearing bits in the Interrupt Status Register .................................................................................... 24

Noise Transfer Functions ................................................................................................................................. 43

Application Notes ............................................................................................................................................. 44

General .................................................................................................................................................... 44

Power and Ground ........................................................................................................................... 44

Mechanical Specifications ................................................................................................................ 45

Ordering Information ........................................................................................................................................ 45

Revision History ............................................................................................................................................... 46