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CS7808-CM Datasheet(PDF) 49 Page - Cirrus Logic |
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CS7808-CM Datasheet(HTML) 49 Page - Cirrus Logic |
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49 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 Signal Name Type Description 1, 105, 158 VDD_PLL I 2.5 V for internal PLLs 41, 66, 84, 108, 129, 141, 161, 178, 203 VDD_CORE I 2.5 V for internal core logic 20, 38, 91, 131, 180 VDD_IO I 3.3 V for I/O’s 104, 157, 208 VSS_PLL I Ground for internal PLLs 36, 63, 82, 103, 126, 138, 158, 176, 200 VSS_CORE I Ground for internal core logic 18, 35, 58, 96, 119, 143, 182 VSS_IO I Ground for I/Os Table 26. Power and Ground |
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