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PCM3168APAPR Datasheet(PDF) 33 Page - Texas Instruments |
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PCM3168APAPR Datasheet(HTML) 33 Page - Texas Instruments |
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33 / 66 page  TIMING CHARACTERISTICS: FOUR-WIRE MS 1.4V 1.4V 1.4V 0.5 ´ VDD t MSH t MDD t MDR LSB(D0) LSB(D0) Hi-Z t MSS t MCH t MCL t MDD t MDS ADR0 MSB(R/ ) W MSB(D7) Hi-Z MC MDI MDO t MDH t MCY t MHH MSB(D7) TWO-WIRE (I 2C) SERIAL CONTROL MSB LSB 1 0 0 0 1 ADR1 ADR0 R/W PCM3168A PCM3168A-Q1 www.ti.com ......................................................................................................................................................................................... SBAS452 – SEPTEMBER 2008 (1) These timing parameters are critical for proper control port operation. Figure 50. Four-Wire Serial Control Interface Timing(1) Timing Requirements for Figure 50(1) PCM3168A, PCM3168A-Q1 SYMBOL PARAMETER MIN MAX UNIT tMCY MC pulse cycle time 100 ns tMCL MC low-level time 40 ns tMCH MC high-level time 40 ns tMHH MS high-level time tMCY ns tMSS MS falling edge to MC rising edge 30 ns tMSH MS rising edge from MC rising edge for LSB 15 ns tMDH MDI hold time 15 ns tMDS MDI setup time 15 ns tMDD MDO enable or delay time from MC falling edge 0 30 ns tMDR MDO disable time from MS rising edge 0 30 ns (1) These timing parameters are critical for proper control port operation. The PCM3168A and PCM3168A-Q1 support an I2C-compatible serial bus and data transmission protocol for fast mode configured as a slave device. This protocol is explained in the I2C specification, version 2.0. The PCM3168A and PCM3168A-Q1 have a 7-bit slave address, as shown in Figure 51. The first five bits are the most significant bits (MSB) of the slave address and are factory-preset to 10001. The next two bits of the address byte are selectable bits that can be set by MS/ADR0/MD0 and MDO/ADR1/MD1. A maximum of four PCM3168A and PCM3168A-Q1s can be connected on the same bus at any one time. Each PCM3168A and PCM3168A-Q1 respond when it receives its own slave address. Figure 51. Slave Address Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 33 Product Folder Link(s): PCM3168A PCM3168A-Q1 |
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