mx98743 Macronix International Co., mx98743 Datasheet - Page 6

• Manufacturer Part Number: mx98743
• Description: 100 Base Fast Ethernet Management Chip
• Manufacturer: Macronix International Co.

16,17,
20-25
PIN#
PIN#
29
30
28
ACTP[7:0]
PARTLNK
JBFLO
NAME
NAME
ISO
I, TTL
I, TTL
I, TTL
I, TTL
I/O
I/O
Table 5-3. XRC Register Access Pins, 8 pins
Activity Out. These pins, synchronous to the 50 MHz clock, represent the
activities of each port and also serve as data framing signals for the packet
on EDATA. ACT_P leads EDAT's /J/K pattem by more than 80ns and is
deasserted 40 ns after the /T/R or the last byte of Jam patterns.
Partition/Link Good. This pin, active high, shows the Patition and Link
status of the repeater MX98741. The serial input data is stored in Register
RS[12:1]=081h.
JAB/Elastic Buffer Over/Underflow. This pin, active high, shows the Jabber
status and Elastic Buffer Over/Underflow status of the XRC. The serial input
data is stored in Register RS[12:1]=01Ah.
Isolation. This pin shows the Isolation status of the XRC. The serial input
data is stored in Register RS[12:1]=01Ch.
Table 5-2. Expansion Port, 8 pins
6
DESCRIPTION
DESCRIPTION
MX98743
INDEX