L64780 LSI Logic Corporation, L64780 Datasheet - Page 110
L64780
Manufacturer Part Number
L64780
Description
Dvb-t Cofdm Demodulator Technical Manual 2/00
Manufacturer
LSI Logic Corporation
Datasheet
1.L64780.pdf
(126 pages)
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Table 6.7
1. A0 is also used as the I
2. D0 is also used as the I
6-10
Pin
ASIC Specific Pins
45
140
147
Internal PLL Pins
103
100
102
101
Tester Pins
145
146
Pin Name
TTN
TIDDTN
PROCQ
PLLVSS
PLLVDD
PLLLP2
PLLAGND
PLLTSTCLK
PLLTSTSEL
Signal Summary List (Cont.)
Specifications
2
2
C Serial Clock. Therefore Pin A0 is a Schmitt Buffer.
C Serial Data. Therefore, Pin D0 is a Bidirectional Schmitt Buffer.
Description
Control tn pins
of all
bidirectional
and 3-state
outputs
Control power
down PLL,
oscillator and
disable pull
up/pull down
Dedicated
output of
Procmon
PLL ground
PLL power
VCO control
voltage pin,
connection to
external loop
filter
PLL analog
ground
open pll loop
replace pll clk
output and
feedback loop
Buffer Type
LVTTL Input
LVTTL Input
LVTTL
Output
Analog Input
Analog Input
Analog Bidir
Analog
Output
LVTTL Input
LVTTL Input
5-Volt
Comp-
atible
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Drive
(mA)
Type
Active
Low
High
–
–
–
–
–
–
High
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