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CS7808 Datasheet, PDF (49/52 Pages) Cirrus Logic – MULTI PURPOSE AUDIO/VIDEO EMBEDDED PROCESSOR
CS7808
6.11 Power and Ground
The CS7808 requires 3 different types of power supplies – PLLs, internal logic and IO pins -. The PLLs
and internal logic use 2.5 V power supply, The IO pins use 3.3 V power supply, and are 5 V input tolerant.
(See Table 26.)
Pin
1, 105, 158
41, 66, 84, 108,
129, 141, 161,
178, 203
20, 38, 91, 131,
180
104, 157, 208
36, 63, 82, 103,
126, 138, 158,
176, 200
18, 35, 58, 96,
119, 143, 182
Signal Name
VDD_PLL
VDD_CORE
VDD_IO
VSS_PLL
VSS_CORE
VSS_IO
Type
I
I
Description
2.5 V for internal PLLs
2.5 V for internal core logic
I
3.3 V for I/O’s
I
Ground for internal PLLs
I
Ground for internal core logic
I
Ground for I/Os
Table 26. Power and Ground
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