DMX250 datasheet(4/28 Pages) YAMAR

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DS-DMX250 R 0.80

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2.4

Pin configuration and function

2.4.1

Pinout diagram

Figure 3 - DMX250 pinout diagram in QFN32 5x5mm package

2.4.2

Signals and Pinout description

Table 1 - Pinout description

Name

Pin #

Pin type

Internal

PU/PD

Description

HDO

Output

12mA

Digital data output signal. Outputs the received data from the

powerline or from internal registers to the DMX-controller.

HDI

Digital input

Digital data input signal. Transfers data from the DMX-

controller to the powerline or the internal registers.

HDC

Digital input

Data / command input, enables read and write from/to

DMX250 control registers (see section ‎5.10)

TEST

Digital Input

Should be connected to GND.

NRESET

Digital Input

Reset, active low.

NSLEEP

Digital Input

Sleep mode control input (see section ‎4.3).

Should be pull-up to 3.3V when not in use.

FREQ_SEL4

Digital Input

Carrier Frequency selection inputs.

See Table 7.

FREQ_SEL3

FREQ_SEL2

FREQ_SEL1

FREQ_SEL0

Should be left floated.

INH

Digital Output

8mA

When high, DMX250 is in Normal mode

When low, DMX250 is in Sleep mode

TXON

Output

12mA

TX_ON output - High when transmission onto the powerline

is active.

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