GS1559 Gennum Corp., GS1559 Datasheet - Page 68

• Manufacturer Part Number: GS1559
• Description: GS1559 HD-LINX-TM II Multi-Rate Deserializer with Loop-Through Cable Driver
• Manufacturer: Gennum Corp.

4.14 Device Power Up
4.15 Device Reset
RESET_TRST
CORE_VDD
+1.65V
+1.8V
The GS1559 has a recommended power supply sequence. To ensure correct
power up, power the CORE_VDD pins before the IO_VDD pins.
Device pins may also be driven prior to power up without causing damage.
To ensure that all internal registers are cleared upon power-up, the application
layer must hold the
power supply has reached the minimum level specified in
Characteristics on page
In order to initialize all internal operating conditions to their default states the
application layer must hold the
1ms.
When held in reset, all device outputs will be driven to a high-impedance state.
Figure 4-16: Reset Pulse
30572 - 4
Reset
t
reset
July 2005
RESET_TRST
16. See
RESET_TRST
signal LOW for a minimum of 1ms after the core
Figure
4-16.
signal LOW for a minimum of t
Reset
t
reset
GS1559 Data Sheet
DC Electrical
68 of 74
reset
=