Data Sheet
June 1999
ORCA Series 3C and 3T FPGAs
Contents
Table of Contents
Page Contents
Page
Features ......................................................................1
System-Level Features................................................6
Description...................................................................7
FPGA Overview ........................................................7
PLC Logic ..................................................................7
PIC Logic ...................................................................8
System Features .......................................................8
Routing ......................................................................8
Configuration .............................................................8
ORCA Foundry Development System ......................9
Architecture .................................................................9
Programmable Logic Cells ........................................11
Programmable Function Unit ..................................11
Look-Up Table Operating Modes ............................13
Supplemental Logic and Interconnect Cell (SLIC) ..21
PLC Latches/Flip-Flops ...........................................25
PLC Routing Resources ..........................................27
PLC Architectural Description .................................34
Programmable Input/Output Cells .............................36
5 V Tolerant I/O .......................................................37
PCI Compliant I/O ...................................................37
Inputs ......................................................................38
Outputs ....................................................................41
PIC Routing Resources ...........................................44
PIC Architectural Description ..................................45
High-Level Routing Resources..................................47
Interquad Routing ....................................................47
Programmable Corner Cell Routing ........................48
PIC Interquad (MID) Routing ...................................49
Clock Distribution Network ........................................50
PFU Clock Sources .................................................50
Clock Distribution in the PLC Array .........................51
Clock Sources to the PLC Array .............................52
Clocks in the PICs ...................................................52
ExpressCLK Inputs .................................................53
Selecting Clock Input Pins ......................................53
Special Function Blocks ............................................54
Single Function Blocks ............................................54
Boundary Scan ........................................................57
Microprocessor Interface (MPI) .................................64
PowerPC System ....................................................65
i960 System ............................................................66
MPI Interface to FPGA ............................................67
MPI Setup and Control ............................................68
Programmable Clock Manager (PCM) ......................72
PCM Registers ........................................................73
Delay-Locked Loop (DLL) Mode .............................75
Phase-Locked Loop (PLL) Mode ............................76
PCM/FPGA Internal Interface .................................79
PCM Operation .......................................................79
PCM Detailed Programming ...................................80
PCM Applications ....................................................83
PCM Cautions ........................................................ 84
FPGA States of Operation........................................ 85
Initialization ............................................................. 85
Configuration .......................................................... 86
Start-Up .................................................................. 87
Reconfiguration ...................................................... 88
Partial Reconfiguration ........................................... 88
Other Configuration Options ................................... 88
Configuration Data Format ...................................... 89
Using ORCA Foundry to Generate
Configuration RAM Data ....................................... 89
Configuration Data Frame ...................................... 89
Bit Stream Error Checking ...................................... 91
FPGA Configuration Modes...................................... 92
Master Parallel Mode ............................................. 92
Master Serial Mode ................................................ 93
Asynchronous Peripheral Mode ............................. 94
Microprocessor Interface (MPI) Mode .................... 94
Slave Serial Mode .................................................. 97
Slave Parallel Mode ............................................... 97
Daisy-Chaining ....................................................... 98
Daisy-Chaining with Boundary Scan ...................... 99
Absolute Maximum Ratings.................................... 100
Recommended Operating Conditions .................. 100
Electrical Characteristics ........................................ 101
Timing Characteristics............................................ 103
Description ........................................................... 103
PFU Timing ......................................................... 104
PLC Timing ........................................................... 111
SLIC Timing .......................................................... 111
PIO Timing ........................................................... 112
Special Function Blocks Timing ........................... 115
Clock Timing ......................................................... 123
Configuration Timing ............................................ 133
Readback Timing ................................................. 142
Input/Output Buffer Measurement Conditions ........ 143
Output Buffer Characteristics ................................. 144
OR3Cxx ................................................................ 144
OR3Txxx .............................................................. 145
Estimating Power Dissipation................................. 146
OR3Cxx ................................................................ 146
OR3Txxx (Preliminary Information) ...................... 147
Pin Information ....................................................... 149
Pin Descriptions ................................................... 149
Package Compatibility .......................................... 153
Compatibility with OR2C/TxxA Series .................. 154
Package Thermal Characteristics........................... 194
ΘJA ....................................................................... 194
ψ
JC ...................................................................... 194
ΘJC ...................................................................... 194
ΘJB ...................................................................... 194
FPGA Maximum Junction Temperature ............... 195
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