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IP178C
Preliminary Data Sheet
55/91
October 27, 2005
Copyright © 2004, IC Plus Corp.
IP178C-DS-R09
PHY
MII
ROM
R/W
Description
Default
EEPROM enable register / Software reset register
30
--
1, 0
EEPROM enable register
This register should be filled with 55AA in EERPOM register 0
and 1. IP178C will examine the specified pattern to confirm if
there is a valid EEPROM. The initial setting is updated with
the content of EEPROM only if the specified pattern 55AA is
found.
30
0
--
W
Software reset register
MII register 0 is software reset register. User can reset
IP178C by writing 55AA to this register.
30
0.15
--
R
bfll_full, free buffer is full
1: full,
0: not full
This bit is for debug only.
30
0.14
--
R
extmii_en_in
1: pin EXTMII_EN is latched high,
0: pin EXTMII_EN is latched low
This bit is for debug only.
30
0.13
--
R
Empty, all output queue is empty
1: empty
0: not empty
This bit is for debug only.