User`s guide

Table 1–2 General-Purpose Port Bit Descriptions
Bit Description
21140A
Operating Mode Active Level
0 Provides reset to the DP83840. Output High (1)
1 Reserved. Output —
2 Reserved. Output —
3 Reserved. Output —
4 Reserved. Output —
5 DP83840 indication to the 21140A that a
packet is being transmitted.
Input Low (0)
6 DP83840 indication to the 21140A that a
packet is being received.
Input Low (0)
7 Indicates the link status of the DP83840. Input Low (0)
1–8 Preliminary—Subject to Change—July 1996