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LA72715VA Arkusz danych(PDF) 8 Page - Sanyo Semicon Device |
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LA72715VA Arkusz danych(HTML) 8 Page - Sanyo Semicon Device |
8 / 12 page LA72715V, 72715VA No.A0982-8/12 Continued from preceding page. Pin No. Pin Name DC voltage AC level Function Equivalent Circuit 16 SLAVE ADD SELECT 17 18 Line Out (R) terminal Line Out (L) terminal DC : 2.4V AC : -4.5dBV Line output pin. 250 Ω 300Ω 50k Ω 50k Ω 2.5pF 2.5pF PAD 19 VCC5V 20 MTS MODE OUT No signal DC : 2.0V Detection output for M.T.S. signal. BILINGUAL :3.0V MONO :2.0V STEREO :1.0V 10k Ω 10k Ω PAD 21 REG FILT DC : 2.4V Filter terminal of reference voltage source 10k Ω 10k Ω 10k Ω 500 Ω 50k Ω 500 Ω PAD 22 23 24 NC I 2C BUS Serial Interface Specification (1) Data Transfer Manual This IC adopts control method (I2C-BUS) with serial data, and controlled by two terminals which called SCL (serial clock) and SDA (serial data). At first, set up*1the condition of starting data transfer, and after that, input 8 bit data to SDA terminal with synchronized SCL terminal clock. The order of transferring is first, MSB (the Most Scale of Bit), and save the order. The 9th bit takes ACK (Acknowledge) period, during SCL terminal takes ‘H’, this IC pull down the SDA terminal. After transferred the necessary data, two terminals lead to set up and of *2data transfer stop condition, thus the transfer comes to close. *1 Defined by SCL rise down SDA during ‘H’ period. *2 Defined by SCL rise up SDA during ‘H’ period. (2) Transfer Data Format After transfer start condition, transfers slave address (1000 000*) to SDA terminal, control data, then, stop condition (See figure 1). Slave address is made up of 7bits, *38th bit shows the direction of transferring data, if it is ‘L’ takes write mode (As this IC side, this is input operation mode), and in case of ‘H’ reading mode (As this IC side, this is output operation mode). Data works with all of bit, transfer the stop condition before stop 8bit transfer, and to stop transfer, it will be canceled the transfer dates. *3 It is called R/W bit. |
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