Cirrus Logic Crystal SDB4954A, Руководство пользователя

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CDB4954A/55A
7
.
.
ENCODER
22 pF
1.8
µ
H
300
Ω
300
Ω
330pF 270pF
Figure 3. 300
Ω
Filters
DRIVER
ENCODER
22 pF
2.2
µ
H
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