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PRODUCT SPECIFICATION
RC6564
3
P
Pin Assignments
Pin Descriptions
Pin Name
AD_CLK
AGND
AD_In
BBGND
BB_Out
D0-D3
D4-D7
DGND1
DGND2
GND_XTL
HFGND
IF_AGC
IF_IN+, IF_IN–
N/C
OE
Pin Number
29
12
11
7
8
17, 18, 19, 20
22, 23, 24, 25
14
16
44
38
41
36, 37
21, 26, 28, 31
15
Pin Function Description
Clock input for A/D converter. AD_In sampled on the falling edge.
Analog Ground Connection
Analog Input to the A/D Converter section.
Ground Connection
Base-band Voltage Output
Output Lower Significant Bits. Valid data on rising edge of AD_CLK.
Output Upper Significant Bits. Valid data on rising edge of AD_CLK.
Ground Connection.
Ground Connection
Crystal Oscillator Ground
Analog Ground Connection
Input Voltage for IF front end gain control
IF inputs.
No Connection
Input for enabling digital outputs. When LOW, D0-D7 are enabled. When
HIGH D0-D7 are in high impedance state.
Input Reference Voltage for A/D Conversion
Ground Connection for High Frequency Mixed Signal Sections
Input Reference Voltage for A/D Conversion Range Top (see also RB,
pin #13)
Analog Ground Connection
Output Voltage for Tuner Gain Control
Threshold Voltage Input for Starting Tuner Gain Control
Baseband Supply Voltage, typically 12V
RB
RFGND
RT
13
3
32
SGND
T_AGC
T_STRT
VCC_BB
35
40
42
9
BBGND
BB_Out
VCC_BB
VDDA
AD_In
AGND
65-6564-03
RB
DGND1
OE
DGND2
D0
VCC_HF
HFGND
IF_IN–
IF_IN+
SGND
VCC2
VRT
RT
NC
VDDD1
AD_CLK
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
V
V
V
R
X
X
G
V
T
I
T
1
1
2
2
2
2
2
2
2
2
2
D
D
D
N
D
D
D
D
N
V
N
6
5
4
3
2
1
4
4
4
4
4