Contents
iChip Plus CO561AD-D Datasheet
iv
Contents
1
Introduction .............................................................................................................1-1
2
Ordering Information .............................................................................................2-3
2.1
iChip Plus Order Number.............................................................................2-3
3
Functional Description............................................................................................3-1
3.1
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
Overview......................................................................................................3-1
Technical Specifications ..............................................................................3-1
General.........................................................................................................3-1
Data Rates ....................................................................................................3-1
Operation......................................................................................................3-1
Host Serial Connection.................................................................................3-2
Serial Connection to Dial-up Modem ..........................................................3-2
Local Bus Connection to Ethernet Controller..............................................3-2
Hardware and Software Flow Control .........................................................3-2
4
Hardware Interface.................................................................................................4-1
4.1
4.2
Host Interface...............................................................................................4-1
iChip Plus Controller Interface ....................................................................4-2
5
Pin Descriptions.......................................................................................................5-1
5.1
5.2
5.2.1
5.2.2
5.2.3
5.2.4
iChip Plus Pin Assignments.........................................................................5-1
iChip Plus Pin Functional Descriptions .......................................................5-2
Local Bus Signals.........................................................................................5-2
Host Interface Signals ..................................................................................5-5
iChip Plus Serial Modem Signals.................................................................5-6
iChip Plus LAN Signals...............................................................................5-7
6
Electrical/Mechanical Specifications.....................................................................6-1
6.1
6.1.1
6.1.2
6.2
6.2.1
6.2.2
6.3
Environmental Specifications ......................................................................6-1
Absolute Maximum Ratings.........................................................................6-1
DC Operating Characteristics.......................................................................6-2
Interface Timing and Waveforms ................................................................6-3
Local Bus Read Cycle..................................................................................6-3
Local Bus Write Cycle.................................................................................6-4
Mechanical Dimensions...............................................................................6-5
7
iChip Plus Designs...................................................................................................7-1
7.1
7.1.1
7.2
7.3
7.4
General Hardware Architecture ...................................................................7-1
Serial and Ethernet Controller Environment................................................7-1
Reference Design for iChip Plus Using CO561AD-D.................................7-1
Bill of Materials for iChip Plus Reference Design ......................................7-3
PLD Equations for Embedded Dual.............................................................7-1