GS2971A Datasheet, PDF (11/152 Pages) Gennum Corporation – Integrated audio clock generator

Table 1-1:Pin Descriptions (Continued)
Pin
Number
Name
Timing
Type
Description
A9, A10, B8,
B9, B10,C8,
C9, C10, E9,
E10
DOUT18, 17, 19,
16, 15, 12, 14, 13,
10, 11
B1
B2, C3, C4
B3, F2
B4
B7, D9, G9,
J7
C1, D1
C2, D2, D3,
E3, F3, G2
A_VDD
PLL_VDD
RSV
VCO_GND
IO_GND
SDI, SDI
A_GND
Output
Input Power
Input Power
Input Power
Input Power
PARALLEL DATA BUS
Please refer to the Output Logic parameters in the DC Electrical
Characteristics table for logic level threshold and compatibility.
20-bit mode
20bit/10bit = HIGH
SMPTE mode (SMPTE_BYPASS = HIGH
and DVB_ASI = LOW):
Luma data output for SD and HD data
rates; Data Stream 1 for 3G data rate
DVB-ASI mode (SMPTE_BYPASS = LOW
and DVB_ASI = HIGH):
Not defined
Data-Through mode (SMPTE_BYPASS =
LOW and DVB_ASI = LOW):
Data output
10-bit mode
20bit/10bit = LOW
SMPTE mode (SMPTE_BYPASS = HIGH
and DVB_ASI = LOW):
Multiplexed Luma/Chroma data output
for SD and HD data rates; Multiplexed
Data Stream 1&2 for 3G data rate
DVB-ASI mode (SMPTE_BYPASS = LOW
and DVB_ASI = HIGH):
8b/10b decoded DVB-ASI data
Data-Through mode (SMPTE_BYPASS =
LOW and DVB_ASI = LOW):
Data output
POWER pin for analog circuitry. Connect to 3.3V DC analog.
POWER pins for the Reclocker PLL. Connect to 1.2V DC analog.
These pins must be left unconnected.
GND pin for the VCO. Connect to analog GND.
GND connection for digital I/O. Connect to digital GND.
Analog Input Serial Digital Differential Input.
Input Power GND pins for sensitive analog circuitry. Connect to analog GND.
GS2971A 3Gb/s, HD, SD SDI Receiver
Data Sheet
54311 - 2
September 2012
11 of 152