GS6151 Datasheet, PDF (7/77 Pages) Semtech Corporation – Multi-Rate 6G UHD-SDI

Table 1-1: GS6151 Pin Descriptions (Continued)
Pin Number
10
11
12
13
14
15
16
17
18, 19
20
21
22
23, 24
25
26
27
28
29
Name
XTAL_CLK_OUT
XTAL_BUF_OUT
SDIN
SDOUT
SCLK
CS
VDD_DIG
VSS_DIG
DDO1, DDO1
VCC_DDO1
VEE_DDO
VCC_DDO0
DDO0, DDO0
VCO_DFT_FILT
VCC_DFT
VEE_DFT
LF+
LF–
Type
Description
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).
Output
Buffered clock reference output. Leave unconnected if not used to
drive 27MHz clock input of another device.
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
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
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
Power
Most positive power supply for the internal logic
Connect to 1.8V.
Power
Most negative power supply for the internal logic
Connect to ground.
Output
Differential serial data output 1.
Power
Most positive power supply connection for the DDO1/DDO1 output
driver. Connect to any voltage between 1.2V and 2.5V.
Power
Most negative power supply connections for the output drivers.
Connect to ground.
Power
Most positive power supply connection for the DDO0/DDO0 output
driver. Connect to any voltage between 1.2V and 2.5V.
Output
Differential serial data output 0.
Power
Decoupling
Connect through decoupling capacitor to ground.
Power
Connect to 1.8V.
Power
Connect to ground.
Passive
Connect to LF– through C_LF
Refer to Figure 6-1: GS6151 Typical Application Circuit.
Passive
Connect to LF+ through C_LF
Refer to Figure 6-1: GS6151 Typical Application Circuit.
GS6151
Final Data Sheet
PDS-060389
Rev.4
August 2015
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