STG3005A2S STMicroelectronics, STG3005A2S Datasheet - Page 60

• Manufacturer Part Number: STG3005A2S
• Description: 128-BIT 3D MULTIMEDIA ACCELERATOR
• Manufacturer: STMicroelectronics

RIVA128ZX
11.5 ANALOG INTERFACE
Figure 66. Recommended circuit (crystal circuit is for designs not supporting TV out)
Table 20. Table of parts for recommended circuit (Figure 66)
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C1
C2
C3, C4
C5, C6
R1
R2-R4
D1-D6
L1
X1
Part number
These components should be placed as close to the RIVA128ZX outputs as possible
C1
Local PLLVDD plane
C2
C3
C4
22 F
100nF
10pF
10nF
147
75
1N4148
1 H
13.50000MHz
14.31818MHz
C5
C6
VDD
X1
R1
Value
COMP
XTALIN
XTALOUT
VREF
RSET
PLLVDD
RIVA128ZX
L1
GND
DACVDD
GREEN,
BLUE
tantalum capacitor
surface mount capacitor
surface mount capacitor
surface mount capacitor
1% resistor
1% resistor
protection diodes
inductor
series resonant crystal (used where TV output may be
required)
series resonant crystal
RED,
VDD
128-BIT 3D MULTIMEDIA ACCELERATOR
R2-R4
D1-D3
D4-D6
Description
75
cable
Power supply
Monitor
75