Datasheet LTC4317 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | Dual I2C/SMBus Address Translator |
| Pages / Page | 16 / 8 — operaTion. Figure 2. Basic Address Translation Waveforms. Table 1. BINARY … |
| File Format / Size | PDF / 229 Kb |
| Document Language | English |
operaTion. Figure 2. Basic Address Translation Waveforms. Table 1. BINARY ADDRESS. 7-BIT HEX ADDRESS. 8-BIT HEX ADDRESS
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Text Version of Document
LTC4317
operaTion
Figure 2 shows typical waveforms for the circuit on the R/W ACK START ADDRESS BITS BIT BIT front page. In this example, the master transmits address a6 a5 a4 a3 a2 a1 a0 0x34 while the slave is configured to respond to address SCLIN 0x36. The resistive dividers at the XORL and XORH pins are SDAIN 0 0 1 1 0 1 0 0 = 0x34 configured to generate an address translation byte of 0x02. TRANSLATION BYTE 0 0 0 0 0 0 1 0 = 0x02 Note that in this example, the 8-bit hexadecimal address SDAOUT 0 0 1 1 0 1 1 0 = 0x36 format (with R/W = 0) is used. 7-bit addresses are also commonly found in I2C device documentation. Make sure N2 GATE N2 ON N2 OFF N2 ON 4317 F02 to use the correct format when calculating the address
Figure 2. Basic Address Translation Waveforms
translation byte. Table 1 shows examples of both formats.
Table 1. BINARY ADDRESS 7-BIT HEX ADDRESS 8-BIT HEX ADDRESS DESCRIPTION WITHOUT R/W WITH R/W = 0 a6 a5 a4 a3 a2 a1 a0 R/W
Input Address from SDAIN 0 0 1 1 0 1 0 0 0x1A 0x34 Translation Byte 0 0 0 0 0 0 1 0 0x01 0x02 Output Address to SDAOUT 0 0 1 1 0 1 1 0 0x1B 0x36 4317fa 8 For more information www.linear.com/LTC4317 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Timing Diagram Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts
operaTion
Figure 2 shows typical waveforms for the circuit on the R/W ACK START ADDRESS BITS BIT BIT front page. In this example, the master transmits address a6 a5 a4 a3 a2 a1 a0 0x34 while the slave is configured to respond to address SCLIN 0x36. The resistive dividers at the XORL and XORH pins are SDAIN 0 0 1 1 0 1 0 0 = 0x34 configured to generate an address translation byte of 0x02. TRANSLATION BYTE 0 0 0 0 0 0 1 0 = 0x02 Note that in this example, the 8-bit hexadecimal address SDAOUT 0 0 1 1 0 1 1 0 = 0x36 format (with R/W = 0) is used. 7-bit addresses are also commonly found in I2C device documentation. Make sure N2 GATE N2 ON N2 OFF N2 ON 4317 F02 to use the correct format when calculating the address
Figure 2. Basic Address Translation Waveforms
translation byte. Table 1 shows examples of both formats.
Table 1. BINARY ADDRESS 7-BIT HEX ADDRESS 8-BIT HEX ADDRESS DESCRIPTION WITHOUT R/W WITH R/W = 0 a6 a5 a4 a3 a2 a1 a0 R/W
Input Address from SDAIN 0 0 1 1 0 1 0 0 0x1A 0x34 Translation Byte 0 0 0 0 0 0 1 0 0x01 0x02 Output Address to SDAOUT 0 0 1 1 0 1 1 0 0x1B 0x36 4317fa 8 For more information www.linear.com/LTC4317 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Timing Diagram Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Description Revision History Typical Application Related Parts
