NEC Network Controller uPD98502 - Manual (Page 45)

CHAPTER 1 INTRODUCTION
Preliminary User’s Manual S15543EJ1V0UM 45
1.7.8 Ethernet interface
1.7.8.1 Ethernet interface (Channel 1)
Pin Name Pin No. I/O Active Level Function
MIMCLK AF3 O MII management clock
MIMD AG1 I/O MII management
MICOL AH3 I Collision
MICRS AF2 I Carrier sense
MIRCLK AD3 I Receive clock (2.5/25 MHz)
MIRDV AD5 I Receive data valid
MIRER AD4 I Receive error
MIRD0 AE1 I Receive data
MIRD1 AD2 I Receive data
MIRD2 AD1 I Receive data
MIRD3 AC2 I Receive data
MITCLK AH1 I Transmit clock (2.5/25 MHz)
MITE AF1 O Transmit enable
MITER AE3 O Transmit error
MITD0 AJ1 O Transmit data
MITD1 AH2 O Transmit data
MITD2 AG3 O Transmit data
MITD3 AF4 O Transmit data