
I-Cube, Inc.
[Rev. 1.6] 2/20/01
3
OCX160 Crosspoint Switch
—
Preliminary Data Sheet
Contents
1.
Introduction ........................................................................................................................... 7
1.1
Input and Output Buffers...................................................................................................... 8
1.1.1
Input and Output Port Function Mode ........................................................................... 8
1.1.2
Broadcast Mode ............................................................................................................. 9
1.2
Output Buffer Configuration................................................................................................ 9
1.2.1
Output Control Signals................................................................................................... 9
1.2.2
Neighboring Output Port as a Clock Source .................................................................. 9
1.3
RapidConfigure Interface....................................................................................................11
1.3.1
RapidConfigure Programming Instructions.................................................................. 11
1.3.2
ImpliedDisconnect....................................................................................................... 13
1.4
JTAG Configuration Controller.......................................................................................... 14
1.4.1
JTAG Interface............................................................................................................. 14
1.4.2
Output Port Configuration ........................................................................................... 14
1.4.3
Switch Matrix Configuration ....................................................................................... 14
1.4.4
Mode Control Register Configuration.......................................................................... 14
1.4.5
JTAG Architecture and Shift Registers........................................................................ 15
1.4.6
JTAG State Machine .................................................................................................... 16
1.4.7
JTAG Input Format...................................................................................................... 16
1.4.8
JTAG Instructions........................................................................................................ 17
1.5
Device Reset Options......................................................................................................... 20
2.
Pin Description .....................................................................................................................21
3.
Differential I/O Standards ...................................................................................................22
3.1
LVDS ................................................................................................................................. 22
3.2
LVPECL............................................................................................................................. 23
3.3
Termination Resistor Packs................................................................................................ 24
3.4
Mixed I/O Systems............................................................................................................. 24
4.
Electrical Specifications.......................................................................................................25
4.1
Absolute Maximum Ratings .............................................................................................. 25
4.2
Recommended Operating Conditions ................................................................................ 25