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IP178C/IP178C LF/IP178CH/IP178CH LF
Datasheet
57/93
June 21, 2007
Copyright © 2004, IC Plus Corp.
IP178Cx-DS-R12
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/IP178CH 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/IP178CH 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.