L64777 LSI Logic Corporation, L64777 Datasheet - Page 95
L64777
Manufacturer Part Number
L64777
Description
DVB Qam Modulator
Manufacturer
LSI Logic Corporation
Datasheet
1.L64777.pdf
(124 pages)
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6.2 Pin Descriptions and Lists
6.2.1 L64777 Electrical Pin Descriptions
The following subsections provide descriptions for the electrical pins, as
well as numerical and alphabetic listings of all L64777 pins.
Table 6.5 summarizes the electrical properties of the pins on the L64777.
The table provides the signal types for both output and input pins, and
the drive capacity for outputs.
Table 6.5
Pin Descriptions and Lists
Mnemonic
AVDD1
AVDD2
AVSS1
AVSS2
COMP1
COMP2
DIG_I[9:0]
DIG_Q[9:0]
DIN[7:0]
DVALIDIN
ERRORIN
FIFOALARM
FIRSTOUT
FSTARTIN
FSTARTOUT
L64777 Pin Description Summary
Description
Supply for DAC
Supply for DAC
Analog Supply for
DAC
Supply for DAC
Compensation
Output for DAC
Compensation
Output for DAC
Digital I Output
Digital Q Output
Data Input
Data Enable Input
Error Flag Input
FIFO Alarm Output
Beginning of
Sequence
Frame Start Input
Frame Start Output
Type
Analog Input
Analog Input
Analog Input
Analog Input
Analog Output
Analog Output
Output
Output
TTL Input
TTL Input
TTL Input
Output
Output
TTL Input
Output
Drive
(mA)
–
–
–
–
–
–
4
4
–
–
–
4
4
–
4
Active
–
–
–
–
–
–
HIGH
HIGH
HIGH
HIGH
LOW
HIGH
HIGH
HIGH
HIGH
6-5
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