GS2965 Datasheet, PDF (7/41 Pages) Gennum Corporation – Uses standard 27MHz crystal

Table 1-1: GS2965 Pin Descriptions (Continued)
Pin Number
27
Name
CS/EQ1_EN
28
SCK/DE1_EN
29
SDO/DE0_EN
30
SDI/EQ0_EN
31
VEE_CP
32
VCC_CP
−
Center Pad
Type
Input/Logic
Input
Input/Logic
Input
Input/Logic
Input
Input/Logic
Input
Power
Power
−
Description
In host mode (HIF set LOW):
Chip select input for SPI serial host interface. Active-low input.
In non-host mode (HIF set HIGH):
Trace equalization on/off pin for Serial Digital Differential Input 1.
Active-high input.
In host mode (HIF set LOW):
Burst-mode clock input for SPI serial host interface.
In non-host mode (HIF set HIGH):
De-emphasis on/off pin for Serial Digital Differential Output 1. Active-high
input.
In host mode (HIF set LOW):
Serial digital data output for SPI serial host interface. Active-high output.
In non-host mode (HIF set HIGH):
De-emphasis on/off pin for Serial Digital Differential Output 0. Active-high
input.
In host mode (HIF set LOW):
Serial digital data input for SPI serial host interface. Active-high input.
In non-host mode (HIF set HIGH):
Trace equalization on/off pin for Serial Digital Differential Input 0.
Active-high input.
Most negative power supply connection for the internal
charge pump. Connect to GND.
Most positive power supply connection for the internal charge pump.
Connect to 3.3V or 2.5V
Ground pad on bottom of package. Connect to GND.
GS2965 Multi-Rate SDI Reclocker with Equalization &
De-emphasis
Data Sheet
52462 - 4
July 2012
7 of 41
Proprietary & Confidential