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ZSPM1035A 데이터시트(PDF) 22 Page - Integrated Device Technology |
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ZSPM1035A 데이터시트(HTML) 22 Page - Integrated Device Technology |
22 / 45 page ZSPM1035A Datasheet © 2016 Integrated Device Technology, Inc. 22 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 (Hex) ADDR1 Ω ADDR0 Ω Address (Hex) ADDR1 Ω ADDR0 Ω Address (Hex) ADDR1 Ω ADDR0 Ω Address (Hex) ADDR1 Ω ADDR0 Ω 64 0 0 32 1.2 k 0 64 2.7 k 0 96 4.7 k 0 1* 0 680 33 1.2 k 680 65 2.7 k 680 97* 4.7 k 680 2* 0 1.2k 34 1.2 k 1.2 k 66 2.7 k 1.2 k 98 4.7 k 1.2 k 3* 0 1.8k 35 1.2 k 1.8 k 67 2.7 k 1.8 k 99 4.7 k 1.8 k 4* 0 2.7k 36 1.2 k 2.7 k 68 2.7 k 2.7 k 100 4.7 k 2.7 k 5* 0 3.9k 37 1.2 k 3.9 k 69 2.7 k 3.9 k 101 4.7 k 3.9 k 6* 0 4.7k 38 1.2 k 4.7 k 70 2.7 k 4.7 k 102 4.7 k 4.7 k 7* 0 5.6k 39 1.2 k 5.6 k 71 2.7 k 5.6 k 103 4.7 k 5.6 k 8* 0 6.8k 40* 1.2 k 6.8 k 72 2.7 k 6.8 k 104 4.7 k 6.8 k 9 0 8.2k 41 1.2 k 8.2 k 73 2.7 k 8.2 k 105 4.7 k 8.2 k 10 0 10k 42 1.2 k 10 k 74 2.7 k 10 k 106 4.7 k 10 k 11 0 12k 43 1.2 k 12 k 75 2.7 k 12 k 107 4.7 k 12 k 12* 0 15k 44 1.2 k 15 k 76 2.7 k 15 k 108 4.7 k 15 k 13 0 18k 45 1.2 k 18 k 77 2.7 k 18 k 109 4.7 k 18 k 14 0 22k 46 1.2 k 22 k 78 2.7 k 22 k 110 4.7 k 22 k 15 0 27k 47 1.2 k 27 k 79 2.7 k 27 k 111 4.7 k 27 k 16 680 0 48 1.8 k 0 80 3.9 k 0 112 5.6 k 0 17 680 680 49 1.8 k 680 81 3.9 k 680 113 5.6 k 680 18 680 1.2k 50 1.8 k 1.2 k 82 3.9 k 1.2 k 114 5.6 k 1.2 k 19 680 1.8k 51 1.8 k 1.8 k 83 3.9 k 1.8 k 115 5.6 k 1.8 k 20 680 2.7k 52 1.8 k 2.7 k 84 3.9 k 2.7 k 116 5.6 k 2.7 k 21 680 3.9k 53 1.8 k 3.9 k 85 3.9 k 3.9 k 117 5.6 k 3.9 k 22 680 4.7k 54 1.8 k 4.7 k 86 3.9 k 4.7 k 118 5.6 k 4.7 k 23 680 5.6k 55* 1.8 k 5.6 k 87 3.9 k 5.6 k 119 5.6 k 5.6 k 24 680 6.8k 56 1.8 k 6.8 k 88 3.9 k 6.8 k 120* 5.6 k 6.8 k 25 680 8.2k 57 1.8 k 8.2 k 89 3.9 k 8.2 k 121* 5.6 k 8.2 k 26 680 10k 58 1.8 k 10 k 90 3.9 k 10 k 122* 5.6 k 10 k 27 680 12k 59 1.8 k 12 k 91 3.9 k 12 k 123* 5.6 k 12 k 28 680 15k 60 1.8 k 15 k 92 3.9 k 15 k 124* 5.6 k 15 k 29 680 18k 61 1.8 k 18 k 93 3.9 k 18 k 125* 5.6 k 18 k 30 680 22k 62 1.8 k 22 k 94 3.9 k 22 k 126* 5.6 k 22 k 31 680 27k 63 1.8 k 27 k 95 3.9 k 27 k 127* 5.6 k 27 k Note: The addresses marked with an asterisk (*) are reserved by the SMBus specification. If only four devices are used in a system, their respective addresses can alternatively be configured without resistors by connecting the pins to GND or the AVDD18 pin. The PMBus™ addresses selectable in this fashion are listed in Table 4.3. |
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