HSP50216_06 datasheet(4/58 Pages) INTERSIL

Part #	HSP50216

Description	Four-Channel Programmable Digital DownConverter

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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Pin Descriptions

NAME

TYPE

DESCRIPTION

POWER SUPPLY

VCC

-

Positive Power Supply Voltage, 3.3V

±0.15

GND

-

Ground, 0V.

INPUTS

A(15:0)

I

Parallel Data Input bus A. Sampled on the rising edge of clock when ENIA is active (low).

B(15:0)

I

Parallel Data Input bus B. Sampled on the rising edge of clock when ENIB is active (low).

C(15:0)

I

Parallel Data Input bus C. Sampled on the rising edge of clock when ENIC is active (low).

D15

I

Parallel Data Input D15 or tuner channel A COF.

D14

I

Parallel Data Input D14 or tuner channel A COFSync.

D13

I

Parallel Data Input D13 or tuner channel A SOF.

D12

I

Parallel Data Input D12 or tuner channel A SOFSync.

D11

I

Parallel Data Input D11 or tuner channel B COF.

D10

I

Parallel Data Input D10 or tuner channel B COFSync.

D9

I

Parallel Data Input D9 or tuner channel B SOF.

D8

I

Parallel Data Input D8 or tuner channel B SOFSync.

D7

I

Parallel Data Input D7 or tuner channel C COF.

D6

I

Parallel Data Input D6 or tuner channel C COFSync.

D5

I

Parallel Data Input D5 or tuner channel C SOF.

D4

I

Parallel Data Input D4 or tuner channel C SOFSync.

D3

I

Parallel Data Input D3 or tuner channel D COF.

D2

I

Parallel Data Input D2 or tuner channel D COFSync.

D1

I

Parallel Data Input D1 or tuner channel D SOF.

D0

I

Parallel Data Input D0 or tuner channel D SOFSync.

ENIA

I

Input enable for Parallel Data Input bus A. Active low. This pin enables the input to the part in one of two

modes, gated or interpolated. In gated mode, one sample is taken per CLK when ENI is asserted.

ENIB

I

Input enable for Parallel Data Input bus B. Active low. This pin enables the input to the part in one of two

modes, gated or interpolated. In gated mode, one sample is taken per CLK when ENI is asserted.

ENIC

I

Input enable for Parallel Data Input bus C. Active low. This pin enables the input to the part in one of two

modes, gated or interpolated. In gated mode, one sample is taken per CLK when ENI is asserted.

ENID

I

Input enable for Parallel Data Input bus D. Active low. This pin enables the input to the part in one of two

modes, gated or interpolated. In gated mode, one sample is taken per CLK when ENI is asserted.

CONTROL

CLK

I

Input clock. All processing in the HSP50216 occurs on the rising edge of CLK.

SYNCI

I

Synchronization Input Signal. Used to align the processing with an external event or with other HSP50216

devices. SYNCI can update the carrier NCO, reset decimation counters, restart the filter compute engine,

and restart the output section among other functions. For most of the functional blocks, the response to

SYNCI is programmable and can be enabled or disabled.

SYNCO

O

Synchronization Output Signal. The processing of multiple HSP50216 devices can be synchronized by

tying the SYNCO from one HSP50216 device (the master) to the SYNCI of all the HSP50216 devices (the

master and slaves).

RESET

I

Reset Signal. Active low. Asserting reset will halt all processing and set certain registers to default values.

HSP50216

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