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ZSPM2000 Datasheet(PDF) 25 Page - Renesas Technology Corp |
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ZSPM2000 Datasheet(HTML) 25 Page - Renesas Technology Corp |
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25 / 43 page ![]() ZSPM2000 Datasheet © 2016 Integrated Device Technology, Inc. 25 January 27, 2016 4.3. Address Selection via External Resistors PMBus™ uses a 7-bit device address to identify different devices connected to the bus. This address can be selected via external resistors connected to the ADDRx pins. The resistor values are sensed using the internal ADC during the initialization phase, and the appropriate PMBus™ address is selected. Note that the respective circuitry is only active during the initialization phase; hence no DC voltage can be measured at the pins. The supported PMBus™ addresses and the values of the respective required resistors are listed in Table 4.2. Table 4.2 Support ed Resistor Values for PMBus™ Address Selection Address (Decimal) ADDR1 Ω ADDR0 Ω Address (Decimal) ADDR1 Ω ADDR0 Ω Address (Decimal) ADDR1 Ω ADDR0 Ω Address (Decimal) ADDR1 Ω ADDR0 Ω 64 0 0 32 1.2k 0 64 2.7k 0 96 4.7k 0 1* 0 680 33 1.2k 680 65 2.7k 680 97* 4.7k 680 2* 0 1.2k 34 1.2k 1.2k 66 2.7k 1.2k 98 4.7k 1.2k 3* 0 1.8k 35 1.2k 1.8k 67 2.7k 1.8k 99 4.7k 1.8k 4* 0 2.7k 36 1.2k 2.7k 68 2.7k 2.7k 100 4.7k 2.7k 5* 0 3.9k 37 1.2k 3.9k 69 2.7k 3.9k 101 4.7k 3.9k 6* 0 4.7k 38 1.2k 4.7k 70 2.7k 4.7k 102 4.7k 4.7k 7* 0 5.6k 39 1.2k 5.6k 71 2.7k 5.6k 103 4.7k 5.6k 8* 0 6.8k 40* 1.2k 6.8k 72 2.7k 6.8k 104 4.7k 6.8k 9 0 8.2k 41 1.2k 8.2k 73 2.7k 8.2k 105 4.7k 8.2k 10 0 10k 42 1.2k 10k 74 2.7k 10k 106 4.7k 10k 11 0 12k 43 1.2k 12k 75 2.7k 12k 107 4.7k 12k 12* 0 15k 44 1.2k 15k 76 2.7k 15k 108 4.7k 15k 13 0 18k 45 1.2k 18k 77 2.7k 18k 109 4.7k 18k 14 0 22k 46 1.2k 22k 78 2.7k 22k 110 4.7k 22k 15 0 27k 47 1.2k 27k 79 2.7k 27k 111 4.7k 27k 16 680 0 48 1.8k 0 80 3.9k 0 112 5.6k 0 17 680 680 49 1.8k 680 81 3.9k 680 113 5.6k 680 18 680 1.2k 50 1.8k 1.2k 82 3.9k 1.2k 114 5.6k 1.2k 19 680 1.8k 51 1.8k 1.8k 83 3.9k 1.8k 115 5.6k 1.8k 20 680 2.7k 52 1.8k 2.7k 84 3.9k 2.7k 116 5.6k 2.7k 21 680 3.9k 53 1.8k 3.9k 85 3.9k 3.9k 117 5.6k 3.9k 22 680 4.7k 54 1.8k 4.7k 86 3.9k 4.7k 118 5.6k 4.7k 23 680 5.6k 55* 1.8k 5.6k 87 3.9k 5.6k 119 5.6k 5.6k 24 680 6.8k 56 1.8k 6.8k 88 3.9k 6.8k 120* 5.6k 6.8k 25 680 8.2k 57 1.8k 8.2k 89 3.9k 8.2k 121* 5.6k 8.2k 26 680 10k 58 1.8k 10k 90 3.9k 10k 122* 5.6k 10k 27 680 12k 59 1.8k 12k 91 3.9k 12k 123* 5.6k 12k 28 680 15k 60 1.8k 15k 92 3.9k 15k 124* 5.6k 15k 29 680 18k 61 1.8k 18k 93 3.9k 18k 125* 5.6k 18k 30 680 22k 62 1.8k 22k 94 3.9k 22k 126* 5.6k 22k 31 680 27k 63 1.8k 27k 95 3.9k 27k 127* 5.6k 27k *Note: The addresses marked with an asterisk (*) are reserved by the SMBus specification. |
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