EV8000 datasheet(9/35 Pages) CMLMICRO

9 / 35 page

Evaluation Kit User Manual for FX828 and FX829

EV8000

UM8000/4

TEST POINTS - SIGNALLING PROCESSOR BOARD

Test Point

Ref.

Default

Measurement

Description

TP1

8 - 35V

VIN connection.

TP2

5.0V

VDD connection (3.3V or 5.0V)

TP3

VSS connection.

TP4

VSS connection.

TP5

VSS connection.

TP6

VSS connection.

TP7

FX829 carrier detect output.

TP8

FX829 mic input.

TP9

VDD/2

FX829 DEMODFB pin.

TP10

VDD/2

FX828 RXAMPOUT pin.

TP11

VDD/2

FX829 MOD2 gain control output.

TP12

VDD/2

FX829 MOD1 gain control output.

TP13

VDD/2

FX829 audio summing amplifier output.

TP14

VDD/2

FX829 FFSK modem or DTMF generator output.

TP15

VDD/2

FX829 audio filter/limiter section output.

TP16

VDD/2

FX828 MOD2 gain control output.

TP17

VDD/2

FX828 MOD1 gain control output.

TP18

VDD/2

FX828 sub audio output.

TP19

VDD/2

FX828 audio summing amplifier output.

TP20

VDD/2

FX828 selcall tone generator output.

TP21

VDD/2

FX828 Rx audio filter section output.

TP22

FX828 comparator output.

TP23

C-BUS interrupt request line.

TP24

C-BUS chip select line.

JUMPERS - SIGNALLING PROCESSOR BOARD

Link

Ref.

Positions

Default

Position

Description

JP1

1-2

o/c

Sets VDD = 3.3V (closed) or VDD = 5.0V (open)

JP2,3

1-2

Remove to supply an external clock to JP3 pin 2.

JP4

1-2

Remove to measure IDD of FX829.

JP5

1-2

Remove to measure IDD of FX828.

JP6

1-2 or 2-3

1-2

Select FX829 ( default ) or FX828 to drive loudspeaker.

JP7

1-2

Connects microphone to FX829 MICIN.

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