SSC050-01 Datasheet, PDF (6/79 Pages) Maxim Integrated Products – Two-Wire Serial Backplane Controller

Introduction
Feature Summary
SSC050-01
Data Sheet
I/O Ports
P0.0 - P0.7
P1.0 - P1.7
P2.0 - P2.7
P3.0 - P3.7
P4.0 - P4.7
OSCI
OSCO
Power
On Reset
Clock
Generator
and Dividers
I/O Control
and LED
Flashing
Fan Speed
Sensors
and PWM
Control
Port Bypass
Control
SDA
SCL
A2-A0
ASEL
INT#
Two-Wire
Serial Slave
Interface
Interrupt Priority and Control
Figure 1-1. Chip Block Diagram
FEATURE SUMMARY
● Up to 40 bits of user-definable, bidirectional general purpose I/O
● Integrated Port Bypass, Clock Recovery and Signal Detect support for up to 8 drives
● Four programmable fan speed monitoring inputs
● 5 volt tolerant Interrupt output eliminates polling requirements
● Selectable direct LED drive flashing capability
● Pin-programmable addressing for up to 16 devices on a single serial bus
● 5 volt tolerant slave mode two wire serial interface
● 20% of package pins are power and ground
● Four programmable pulse width modulation outputs
● Enhanced fan speed monitor input filters
1-2
Revision 4.0
November 10, 2004