Table 4: Total available power. ............................................................................................18
Table 5: Power budget on 1.2v .............................................................................................18
Table 6: Power budget on 2.5v .............................................................................................18
Table 7: Power budget on 1.8v. ............................................................................................19
Table 8: Power budget on QDRII 0.9v Termination voltage. .............................................19
Table 9: Power budget on QDRII and FPGA 0.9v reference voltage. ................................20
Table 10: Power budget on 3.3v. ..........................................................................................20
Table 11: Coolrunner II resources summary.......................................................................21
Table 12:Coolrunner II pin resources. .................................................................................21
Table 13: Pin allocation by Bank .........................................................................................24
User Manual SMT348 Page 5 of 29 Last Edited: 29/02/2008 17:52:00
1 Introduction
The SMT348 is an FPGA TIM module designed to be integrated in modular
systems.
It is designed to connect to the huge range of other TIM modules and carriers
developed by Sundance.
Sundance modular solutions provide flexible and upgradeable systems.
The SMT348 is a TIM module aimed at completing the range of Sundance Virtex4
modules like SMT368, SMT362, SMT339.
It provides a communications platform between an XC4VSX55 or XC4VLX160
FPGA and
• 4 banks of QDR2 SRAM at a frequency of up to 250Mhz.
• 2 32-bit SHBs.
• TIM Global Bus.
• LVDS connections for high speed parallel connections
• LVTTL connections and connectors.
This variety of connectors and interfaces provides a wide range of development
options for designers to explore the capabilities of the comprehensive Sundance
TIM modules family.
User Manual SMT348 Page 6 of 29 Last Edited: 29/02/2008 17:52:00
FPGA-only Module A TIM with no on-board DSP, where the FPGA provides all
Firmware A proprietary FPGA design providing some sort of functionality.
Typically a TIM module hosting a TI DSP and, a Xilinx FPGA.
functionality.
Sundance Firmware is the firmware running in an FPGA of a DSP
module.
User Manual SMT348 Last Edited: 29/02/2008 17:52:00
4 Functional Description
This module conforms to the TIM standard (Texas Instrument Module, See TI TIM
specification & user’s guide) for single width modules.
It sits on a carrier board.
The carrier board provides power (5V, 3.3V, +/-12V), ground, communication links
(Comport links) between all the modules fitted and a pathway to the host, for a non
stand-alone system.
The SMT348 requires a 3.3V power supply (as present on all Sundance TIM carrier
boards), which must be provided by the two diagonally opposite mounting holes.
4.1 Block Diagram
J1 Top Primary TIM
Connector
ComPort/SDL 0 & 3
JTAG Header
J
T
A
G
Xilinx Coolrunner II CPLD
XC2C256VQ100 on
Comport3 and
Config&control
4 banks of QDR2 SRAM
4x (2Mx18)
4 LEDs and
Figure 1: Block Diagram
Flash memory
11 I/O pins
260 I/O pins
2x ComPorts/SDL
JTAG
Virtex-4 FF1148
XC4VSX55/LX160
1.8V/2.5V/3.3V I/O
24 I/O pins
2x ComPort/SDL
J2 Bottom Secondary TIM
Connector
ComPort/SDL 1 & 4
24 I/O pins
FPGA
1.5V Core
5I/Opins
Interrupts & Reset
80 I/O pins
20 differential pa irs
40 TTL IOs
72 I/O pins
Add, Data, Control
J3 Global Bus TIM Connector
Sundance High-speed Bus
(2 Conn.)
Sundance Low-voltage Bus
(1 Conn.)
ONLY with
LX160
External clock
Local clock
User Manual SMT348 Last Edited: 29/02/2008 17:52:00
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