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73M1866B-IMR/F 数据表(PDF) 8 Page - Teridian Semiconductor Corporation |
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73M1866B-IMR/F 数据表(HTML) 8 Page - Teridian Semiconductor Corporation |
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8 / 88 page ![]() 73M1866B/73M1966B Data Sheet DS_1x66B_001 8 Rev. 1.6 2 Pinout The 73M1906B and the 73M1916 are supplied as 20-pin TSSOP packages and as 32-pin QFN packages. 2.1 73M1906B 20-Pin TSSOP Pinout Figure 2 shows the 73M1906B 20-pin TSSOP pinout. 73M1906B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CS VPD DR DX FS PCLKO PCLKI VNA/VND AOUT VPA VNT SCLK SDI SDIT SDO RST PRM PRP VPT INT Figure 2: 73M1906B 20-Pin TSSOP Pinout Table 1 describes the pin functions for the device. Decoupling capacitors on the power supplies should be included for each pair of supply pins. Table 1: 73M1906B 20-Pin TSSOP Pin Definitions Pin Number Pin Name Type Description 1 CS I SPI chip select (active low) 2 VPD PWRI Positive digital supply 3 DR I PCM transmit data sent to the D to A 4 DX O PCM received data from the A to D 5 FS I/O PCM frame synchronization 6 PCLKO O PCM clock output 7 PCLKI I PCM clock in 8 VNA/VND GND Negative analog/digital ground 9 AOUT O Audio output – must be buffered for speaker 10 VPA PWRI Positive analog supply 11 VNT GND Negative transformer supply 12 PRM I/O Transformer primary minus 13 PRP I/O Transformer primary plus 14 VPT PWRI Positive transformer supply 15 RST I Hardware reset (active low) 16 SDIT O SPI data out for daisy chain mode 17 SDI I SPI data in 18 SDO O SPI data out 19 INT O Interrupt / ring detect (active low – open drain) 20 SCLK I SPI clock |
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