Figure 3. 300 w filters, Figure 4. 75 w filters, Table 1. system connections – Cirrus Logic CDB4955A User Manual
Page 7: Table 2. cbd4954 jumper/switch settings, Figure 3. 300, Figure 4. 75
CDB4954A/55A
7
.
.
ENCODER
22 pF
1.8
µH
300
Ω
300
Ω
330pF
270pF
Figure 3. 300
Ω Filters
DRIVER
ENCODER
22 pF
2.2
µH
75
Ω
330 pF
270 pF
Figure 4. 75
Ω Filters
TO 75
Ω LOAD
Connector
Input/Output
Description
J1
Input
6 - 9V DC Power Supply
J4
Input
656 Parallel Video Input
J11
Output
R Video Output
J12
Output
G Video Output
J30
Output
B Video Output
J14
Output
Composite Video Output
J16
Output
S-Video Output
J19
Input
656 Serial Video Input (-)
J35
Input
656 Serial Video Input (+)
J26
Input/Output
RS232 Interface
Table 1. System Connections
Header/Switch
Purpose
Jumper Position
Function Selected
J2
Voltage Supply Select
3.3V
5V
3.3 V Operation
5 V Operation
J5
J7
Output Test Point for Serial
Receiver
-
Testpoints
J6
Phase Sensor Output
-
Testpoints
J8
FPGA Program/Debug
Header
-
Testpoints
J9
Flash Write Enable
Jumpered
Open
Write Enabled
Write Not Enabled
J10
Testpoint from FPGA
-
Testpoints
J18
External 1.2V Source for
CS4954
Jumpered
Open
1.2 V Ex Source
No 1.2 V Source
J28
MPU Debug
-
Testpoints
J32
Dig Video Input to CS4954
-
Testpoints
J33
Processor Bus to CS4954
-
Testpoints
Table 2. CBD4954 Jumper/Switch Settings