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DS33Z11DK
Rev: 080508
7 of 34
Figure 1. Serial Jumper Configuration
6. LEDs Configuration Switches and Jumpers
The DS33Z11DK has several configuration switches, banana plugs, oscillators, and jumpers.
Table 1 provides a
description of these components, given in order of appearance on the PCB. Component listing is given from left to
right, top to bottom, when the board is held with the Ethernet port at the top.
Table 1. Main Board PCB Configuration
BASIC SETTING
SILKSCREEN
REFERENCE
FUNCTION
SW MODE
HW MODE
DESCRIPTION
J01
System Power
Installed
Power jack +5.0V to center post
J02
Ethernet Connection
Installed
Ethernet connection with MDIX, connect
with ether a patch or crossover cable
JP01
JP02
JP03
DP83848
AN0
AN1
AN_EN
Not
installed *
Not
installed*
Configuration pins for DP83848 PHY.
These pins have internal pullups. Leaving
un-Jumpered or setting to VCC enables
auto-negotiation and advertise as 100/10
full/half duplex capable.
DS02+DS01
DS04+DS03
DS06+DS05
Link (on for link)
Speed (on for 100)
Activity (blink for act)
On
Blink
On
Blink
Status LEDs for DP83848 PHY. Each
status function has 2 LEDs to
accommodate the pin configuration
methods used by the PHY
JP12
DP83848 MDIX
VCC
Set to VCC to enable MDIX (automatic
crossing of RX/TX pair)
JP14
DP83848 RMII
GND
Set to GND to enable MII mode, VCC to
enable RMII mode. Note that the
DS33Z11 RMII pin needs to be Jumpered
to match this pin.
JP11
DS33Z11 mode pin;
DTE/DCE selection
Low
Low for DTE
JP10
DS33Z11 mode pin
RMII/MII selection
Low
High for RMII, low for MII
HARDWARE LOOPBACK
(Unused, requires external wire)
T1E1 MODE (DS2155)
T3E3 MODE (DS3170)
JP20 RSER
JP21 TSER
JP22 TCLKI
JP23 RCLKI
External
Oscillator
JP20 RSER
JP21 TSER
JP22 TCLKI
JP20 RSER
JP21 TSER
JP22 TCLKI
JP23 RCLKI