SH7670 Datasheet, PDF (423/1292 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7670 Series

Section 12 Ethernet Controller (EtherC)
12.2 Input/Output Pins
Table 12.1 lists the pin configuration of the EtherC.
Table 12.1 Pin Configuration
Port Abbreviation I/O
Function
0 TX-CLK*
Input Transmit Clock
Timing reference signal for the TX-EN, MII_TXD3 to MII_TXD0,
TX-ER signals
0 RX-CLK*
Input Receive Clock
Timing reference signal for the RX-DV, MII_RXD3 to MII_RXD0,
RX-ER signals
0 TX-EN*
Output Transmit Enable
Indicates that transmit data is ready on pins MII_TXD3 to
MII_TXD0.
0 MII_TXD3 to Output Transmit Data
MII_TXD0*
4-bit transmit data
0 TX-ER*
Output Transmit Error
Notifies the PHY-LSI of error during transmission
0 RX-DV*
Input Receive Data Valid
Indicates that valid receive data is on pins MII_RXD3 to
MII_RXD0.
0 MII_RXD3 to Input Receive Data
MII_RXD0*
4-bit receive data
0 RX-ER*
Input Receive Error
Identifies error state occurred during data reception.
0 CRS
Input Carrier Detection
Carrier detection signal
0 COL
Input Collision Detection
Collision detection signal
0 MDC
Output Management Data Clock
Reference clock signal for information transfer via MDIO
0 MDIO
Input/
Output
Management Data I/O
Bidirectional signal for exchange of management information
between this LSI and PHY
Rev. 1.00 Nov. 14, 2007 Page 397 of 1262
REJ09B0437-0100