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Tsi620 Evaluation Board User Manual
60D7000_MA001_03
Intergrated Device Technology
www.idt.com
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Reference clock: 61.4 MHz LVDS/LVPECL
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Frame synchronization: receive the system clock and synchronization burst from FPGA
1.3.3.4
sRIO Links and GigE Port
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Two x1 sRIO links to Tsi620
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sRIO link rates: 1.25 Gbps, 2.5 Gbps, and 3.125 Gbps
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One GigE link with SGMII interface
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Reference clock: LVPECL 156.25 MHz
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MII interface to GigE switch and GigE PHY through 3.3V to 1.8V level shifter
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One RJ45 connector with integrated magnetic
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10/100/1000BaseT capable
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VSC8221 GigE-PHY SGMII interface
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MII port controller by DSP
1.3.3.5
Serial FLASH
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McBSP0 is configured to SPI bus master to support serial flash memory
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Serial flash can store the boot loader or software image
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Serial flash: SF25L064, 64 Mb, 50 MHz SPI, 3.3V device
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3.3V to 1.8V level shifter is required between DSP and Serial flash
1.3.3.6
EEPROM and Emulation Interface
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1.8V I2C EEPROM, AT24C64B-10TU-18
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Support emulation interface with 60-pin emulation connector
1.3.3.7
DSP Interrupt Assignment
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Three non-mask interrupts with active high are routed to FPGA for user-defined usage.
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Interrupts between DSP and FPGA through DSP_GPIO[12:15] with active low
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Interrupts between DSP and Tsi620 by DSP_GPIO[6] through the AFS600 as the level shift.
Note
: Care must be taken that the interrupt signals must be always driven after the reset once their
direction and function has been defined.
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The DSP is responsible for managing two GiGe PHYs and two GiGe PHY MI interface interrupts
(MINT# is connected to DSP_GPIO[7] pin).