EV1050 datasheet(5/9 Pages) CMLMICRO

5 / 9 page

Evaluation Kit User Manual for FX105A

EV1050

UM1050/2

1.4

Signal Lists

CONNECTOR PINOUT - POWER

Connector

Ref.

Connector

Pin No.

Signal

Name

Signal

Type

Description

VSS

Power

0V power from external power supply.

VIN

Power

+ve power from external power supply.

TEST POINTS

Test Point

Ref.

Default

Measurement

Description

TP1

Detect output

TP2

VDD

Detect output LED

TP3

8 - 35V

VIN connection.

TP4

VSS connection.

TP5

VSS connection.

TP6

VSS connection.

TP7

3.0V or 5.0V

VDD connection.

TP8

2640Hz

VCO, monitoring here may affect VCO frequency.

TP9

Signal input.

TP10

VDD/2

Signal input at FX105A.

TP11

Used with arrow mark on R1 for measurement of R1V.

TP12

Used with arrow mark on R2 for measurement of R2V.

TP13

Used with arrow mark on RW for measurement of RWV.

TP14

Used with arrow mark on RV for measurement of RVV.

JUMPERS

Link

Ref.

Positions

Default

Position

Description

JP1

1-2

o/c

Sets VDD = 3.0V (closed) or VDD = 5.0V (open)

JP2

1-2

s/c

Remove to measure IDD of FX105A.

SWITCHES

Switch

Ref.

Positions

Default

Position

Description

SW1

1-2/2-3

1-2

R1 Select: Fixed [R1A] (default) or Variable [R1V]

SW2

1-2/2-3

1-2

R2 Select: Fixed [R2A] (default) or Variable [R2V]

SW3

1-2/2-3

2-3

RW Select: Fixed [RWA] (default) or Variable [RWV]

SW4

1-2/2-3

2-3

RV Select: Fixed [RVA] (default) or Variable [RVV]

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