Datasheet

EVAL-ADM8843 Preliminary Technical Data
6 REV. PrC 02/05
EVALUATION BOARD CONNECTORS AND JUMPERS
The function of the various connectors and jumpers on the evaluation board is explained below.
TABLE 1. EVALUATION BOARD POWER CONNECTORS
Connector
Number
Function
J1 Supply to ADM8843 (3V Nominal)
J2 External CTRL2 input signal
J3 External CTRL1 input signal
J4 External V
PWM
node input signal
J5 External SCLK input
J6 External SDATA input
J7
External SS input
J8 External V
BRIGHT
node input signal
J9 DB-9 Connector (Serial Interface Connector)
J10 Supply to PWM Micro Converter (3V Nominal)
TABLE 2. EVALUATION BOARD JUMPERS (LINKS)
Jumper Name Description
Default
Status
LK1 LED 1 Connected
Inserted
LK2 LED 2 Connected
Inserted
LK3 LED 3 Connected
Inserted
LK4 LED 4 Connected
Inserted
LK7 A Connects CTRL1 (Pin 15) Digital Input to Vcc
Inserted
B Connects CTRL1 (Pin 15) Digital Input to GND Removed
C Connects CTRL1 (Pin 15) Digital Input to SMB connector J3 Removed
D Connects CTRL1 (Pin 15) Digital Input to Micro Converter PWM Removed
LK8 A Connects CTRL2 (Pin 14) Digital Input to Vcc
Inserted
B Connects CTRL2 (Pin 14) Digital Input to GND Removed
C Connects CTRL2 (Pin 14) Digital Input to SMB connector J2 Removed
D Connects CTRL2 (Pin 14) Digital Input to Micro Converter PWM Removed
LK9 A Connects I
SET
(Pin 5) to V
BRIGHT
node
Inserted
B Connects I
SET
(Pin 5) to V
PWM
node Removed
LK10 A Connects I
SET
(Pin 5) to V
BRIGHT
node or V
PWM
node Removed
B Connects I
SET
(Pin 5) to I
SET
resistor (7.2k Ohm)
Inserted
LK11 A
Connects SCLOCK to DBP Connector (SCLOCK controlled by Software
GUI)
Inserted
B Connects SCLOCK to SMB connector J5 Removed
LK12 A Connects SDATA to DBP Connector (SDATA controlled by Software GUI)
Inserted
B Connects SDATA to SMB connector J6 Removed
LK13 A Connects SS to DBP Connector PWM (SS controlled by Software GUI)
Inserted
B Connects SS to SMB connector J7 Removed