GS6151 datasheet(7/77 Pages) SEMTECH

7 / 77 page

GS6151

Final Data Sheet

Rev.4

PDS-060389

August 2015

7 of 77

Semtech

Proprietary & Confidential

www.semtech.com

XTAL_CLK_OUT

Output

Reference Crystal Pin. Connect to a external circuit as shown in Figure

6-1: GS6151 Typical Application Circuit, or leave unconnected if

XTAL_CLK_IN is driven by an external clock source or is connected to

ground (referenceless).

XTAL_BUF_OUT

Output

Buffered clock reference output. Leave unconnected if not used to

drive 27MHz clock input of another device.

SDIN

Digital Input

Serial digital data input for the Gennum Serial Peripheral Interface

(GSPI) host control/status port.

Refer to 4.11 GSPI Host Interface for more detail

SDOUT

Digital

Output

Serial digital data output for the Gennum Serial Peripheral Interface

(GSPI) host control/status port.

Refer to 4.11 GSPI Host Interface for more detail

SCLK

Digital Input

Burst-mode clock input for the Gennum Serial Peripheral Interface

(GSPI) host control/status port.

Refer to 4.11 GSPI Host Interface for more detail

Digital Input

Chip select input for the Gennum Serial Peripheral Interface (GSPI)

host control/status port.

Active-low input.

Refer to 4.11 GSPI Host Interface for more detail

VDD_DIG

Power

Most positive power supply for the internal logic

Connect to 1.8V.

VSS_DIG

Power

Most negative power supply for the internal logic

Connect to ground.

18, 19

DDO1, DDO1

Output

Differential serial data output 1.

VCC_DDO1

Power

Most positive power supply connection for the DDO1/DDO1 output

driver. Connect to any voltage between 1.2V and 2.5V.

VEE_DDO

Power

Most negative power supply connections for the output drivers.

Connect to ground.

VCC_DDO0

Power

Most positive power supply connection for the DDO0/DDO0 output

driver. Connect to any voltage between 1.2V and 2.5V.

23, 24

DDO0, DDO0

Output

Differential serial data output 0.

VCO_DFT_FILT

Power

Decoupling

Connect through decoupling capacitor to ground.

VCC_DFT

Power

Connect to 1.8V.

VEE_DFT

Power

Connect to ground.

LF+

Passive

Connect to LF– through CLF

Refer to Figure 6-1: GS6151 Typical Application Circuit.

LF–

Passive

Connect to LF+ through CLF

Refer to Figure 6-1: GS6151 Typical Application Circuit.

Table 1-1: GS6151 Pin Descriptions (Continued)

Pin Number

Name

Type

Description

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