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Pin Name
Y
C
VREF
IREF
COMP
BIAS
SERIALCONTRL BUS
SCL
SDA
CLOCK SIGNALS
GCK
GCK
CK27
ACK
XIN
XOUT
MISCELLANEOUS SIGNALS
RST
GOUT1
Pin #
Type
Analog video output
Determined by the state of CPNT pin and CR0[5:4]
31
O
Analog video output
Determined by the state of CPNT pin and CR0[5:4]
33
O
Voltage reference. It has an internal voltage reference circuit, but may
40
I/O
be overridden by an external voltage reference input. A 0.1 uF ceramic
capacitor is required between this pin and GND.
A resistor should be connected between this pin and GND to control the
39
I
DAC output current. The recommended value is 198 (382) ohm 1%
metal film resistor for double (single) end 75 ohm termination.
Compensation capacitor for the DAC internal reference amplifier. A 0.1
38
I
uF ceramic capacitor is required between this pin and VDDA.
DAC bias voltage. A 0.1 uf ceramic capacitor must be used to
37
I/O
de-couple this pin to VDDA.
24
I
Serial bus clock
Serial bus address and data input and output pin.
23
I/0
Open drain output.
General Purpose Clock. Clock frequency is determined by the state of
GOUT[1:0] when
7
O
General Purpose Clock. Clock frequency is determined by the state of
GOUT[1:0] when
7
O
9
O
27 MHz clock output pin.
384*fs Audio clock output pin.
Controlled by CR2[1:0]
25
I/O
2
I
27 Mhz oscillator input
1
O
27 Mhz oscillator output
Active low chip reset input. Chip is in the power down mode when the
6
I
RST
44
O
Dual function pin.
1
X
0:
1
0
X:
1
1
1:
CPNT CR0[5] CR0 [4]
0
X
X:
1
X
0:
1
0
X:
1
1
1:
CPNT CR0[5] CR0 [4]
0
X
X:
1
1
0:
1
0
X:
1
1
X:
RST
pin is low.
0 0 : 40.5 MHz clock output.
0 1: 54.0 MHz clock output.
1 0: 67.5 Mhz clock output.
1 1: 81.0 MHz
RST
pin is low.
0 0 : 40.5 MHz clock output.
0 1: 54.0 MHz clock output.
1 0: 67.5 Mhz clock output.
1 1: 81.0 MHz
0 0: 384 * 44.1 KHz (16.934MHz) clock output.
0 1: 384 * 48.0 KHz (18.432MHz) clock output.
1 0: 384 * 88.2 KHz (33.868MHz) clock output.
1 1. 384 * 96.0 KHz (36.864MHz) clock output.
is low.
Description
Cr output in CbCr component mode
:
Blue color output in RGB mode
S-Video Y output.
Cb output in CbCr component mode
:
R color output in RGB mode
S-Video C output.
Cb output in CbCr component mode
:
Green color output in RGB mode
9
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