IT66121FN View Datasheet(PDF) - ITE Tech. INC.
Part Name
Description
Manufacturer
IT66121FN Datasheet PDF : 39 Pages
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IT66121FN
TXCM
REXT
Analog HDMI Clock Channel negative output
TMDS
21
Analog External resistor for setting TMDS output level. Default tied to
Analog
20
AGND via a 4.7K-Ohm SMD resistor.
Programming Pins
Pin Name Direction
PCSCL
Input
PCSDA
I/O
INT#
Output
Description
Serial Programming Clock for chip programming (5V-tolerant)
Serial Programming Data for chip programming (5V-tolerant)
Interrupt output. Default active-low (5V-tolerant)
Type
Schmitt
Schmitt
LVTTL
Pin No.
12
11
10
System Control Pins
Pin Name Direction Description
ENTEST
Input
Must be tied low via a resistor.
PCADR
Input
Serial programming device address select
SYSRSTN Input
Hardware reset pin. Active LOW
Type
LVTTL
LVTTL
Schmitt
Pin No.
31
32
33
Power/Ground Pins
Pin Name Description
IVDD12
Digital logic power (1.2V)
OVDD
I/O Pin power (1.8V or 2.5V or 3.3V)
OVDD33
5V-tolerant I/O power (3.3V)
VCC33
Internal ROM power (3.3V)
PVCC12
HDMI core PLL power (1.2V)
PVCC33
HDMI core PLL power (3.3V)
AVCC12
HDMI analog frontend power (1.2V)
DVDD12
HDMI digital frontend power (1.2V)
GND
Exposed ground pad
Type
Power
Power
Power
Power
Power
Power
Power
Power
Ground
Pin No.
8, 35, 56
1, 34
13
9
18
19
23
28
65
www.ite.com.tw
Nov-2011 Rev:0.99 6/39
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