Cypress Semiconductor CYV15G0404DXB Guia do Utilizador descarregar pdf (Página 11)

CYV15G0404DXB Evaluation Board

Users Guide

Page 11 of 56

Figure 5-2 shows the parallel I/O and reference clock connectors for channel A. Channels B, C, and D have a similar layout of

connectors. Note that TXERR is not located at the same position for the other channels. Refer to Figure 5-1 for their locations.

Table 5-1 gives a brief description of the connectors on the evaluation board. An “x” following a connector or signal name

represents all four channels; e.g., Connector J1x for TXDx represents the connectors J1A, J1B, J1C, and J1D for the buses

TXDA[7:0], TXDB[7:0], TXDC[7:0], and TXDD[7:0], respectively. For a more detailed description of the connectors and signals,

refer to the data sheet.

Table 5-1. Description of Connectors of the CYV15G0404DXB Evaluation Board

Connectors Signals Description

J1x TXDx[7:0] LVTTL Input

• Transmit parallel data input for channel x

J2x TXCTx[1:0] LVTTL Input

• Transmit control signals for channel x

J3x TXCLKx LVTTL Input

• Transmit clock input for channel x

J4x TXCLKOx LVTTL Output

• Buffered version of internal character rate clock

J5x RXDx[7:0] LVTTL Output

• Receive parallel data output for channel x

J6x RXSTx[2:0] LVTTL Output

• Receive parallel data status output for channel x

J7x RXCLKx- LVTTL Output

• Complement of recovered clock at the receiver for channel x

J8x RXCLKx+ LVTTL Output

• Recovered clock at the receiver for channel x

J9x TXERRx LVTTL Output

• Transmit path error signal for channel x

J10x TXCLKOx SMA Connector for TXCLKOx

• Buffered version of internal character rate clock

J11x REFCLKx+ SMA Connector for REFCLKx +

• Positive input of reference clock for channel x

Figure 5-2. Channel A Connectors

J1A(TXDA)

J2A(TXCTA)

J3A(TXCLKA)

J4A(TXCLKOA)

J5A(RXDA)

J6A(RXSTA)

J7A(RXCLKA-)

J8A(RXCLKA+

)

J9A(TXERRA)

SMA)

J10A(TXCKLOA

J12A(REFCLKA-

SMA)

J18A(REFCLKA)

J11A(REFCLKA

SMA)

J17A(RXCLKA+

SMA)

Y1A(OSC)

[+] Feedback

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 56 57

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