Ethernet & USB User's Manual

4.5.Option Links

Table 4-1 below describes the function of the option links contained on this CPU board. The default configuration is indicated by BOLD

text.

Option Link Settings

Reference Function Fitted Alternative (Removed) Related To

R2 3V power select

Regulator drives Board_3V3

Board_3V from RSK

R7 Write Strobe Select

High Byte writes from WR1n

WR1n not connected R8, R9, R10

R8 Write Strobe Select High Byte writes from WR1n

WR1n not connected

R7, R9, R10

R9 Write Strobe Select

Low Byte writes from WR0n

WR0n not connected R7, R8, R10

R10 Write Strobe Select Low Byte writes from WR0n

WR0n not connected

R7, R8, R9

Table 4-1: JA1 Option Link Settings