GM5115H View Datasheet(PDF) - Genesis Microchip
Part Name
Description
Manufacturer
GM5115H Datasheet PDF : 58 Pages
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*** Genesis Microchip Confidential ***
gm5115/25 Preliminary Data Sheet
Note that VDD pins having "_2.5" in their names should be connected to 2.5V power supplies. All
other VDD pins should be connected to 3.3V power supplies.
Pin Name
AVDD_DDDS
AVSS_DDDS
VDD_DDDS
VSS_DDDS
Table 9. Power Pins for ADC Sampling Clock DDS
No I/O Description
146 AP
145 AG
144 P
143 G
Analog power for the Destination DDS. Connect to 3.3V supply.
Must be bypassed with a 0.1uF capacitor to AVSS_DDDS pin
(as close to the pin as possible).
Analog ground for the Destination DDS.
Must be directly connected to the analog system ground.
Digital power for the Destination DDS. Connect to 3.3V supply.
Digital ground for the Destination DDS.
Pin Name
AVDD_SDDS
AVSS_SDDS
VDD_SDDS
VSS_SDDS
Table 10. Power Pins for Display Clock DDS
No I/O Description
141 AP
140 AG
139 P
138 G
Analog power for Source DDS. Connect to 3.3V supply.
Must be bypassed with a 0.1uF capacitor to AVSS_SDDS pin
(as close to the pin as possible).
Analog ground for Source DDS.
Must be directly connected to the analog system ground plane.
Digital power for the Source DDS. Connect to 3.3V supply.
Digital ground for the Source DDS.
Pin Name
RVDD
RVSS
Table 11. I/O Power and Ground Pins
No I/O Description
2
P Connect to 3.3V supply.
20
P Must be bypassed with a 0.1uF capacitor to RVSS (as close to the pin as possible).
37
P
53
P
67
P
81
P
97
P
111
P
129
P
3
G Connect to digital ground.
21
G
38
G
54
G
68
G
82
G
98
G
112
G
130
G
Pin Name
Table 12. Core Power and Ground Pins
No I/O Description
CVDD_2.5
26
P Connect to 2.5V supply.
88
P Must be bypassed with a 0.1uF capacitor to CVSS (as close to the pin as possible).
134
P
203
P
CVSS
27
G Connect to digital ground.
89
G
133
G
135
G
202
G
Note: “AP” indicates a power supply that is analog in nature and does not have large switching
currents. These should be isolated from other digital supplies that do have large switching currents.
June 2002
9
C5115-DAT-01H
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