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DIT4192IPWR датащи(PDF) 16 Page - Texas Instruments |
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DIT4192IPWR датащи(HTML) 16 Page - Texas Instruments |
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16 / 22 page ![]() DIT4192 16 SBOS229B www.ti.com whichever is the first frame to occur after the BTD bit is reset to 0. Once the UA to TA buffer transfer is completed, the buffer transfer interrupt (BTI) will occur, as long as it is unmasked. The transmitter will ignore any attempt to access the UA buffer during a UA to TA buffer transfer. In addition, the BTD bit may be set to 1 to stop a UA to TA buffer transfer that maybe in progress, if so desired. CHANNEL STATUS BUFFER MAP The channel status buffer is organized in accordance with the AES-3 and IEC-60958 standards. See Table VII for the memory map for the UA channel status data buffer for Professional mode. Table VIII shows the memory map for the UA channel status data buffer for Consumer mode. INTERRUPT SOURCES (SOFTWARE MODE ONLY) The DIT4192 can be programmed to generate interrupts for up to three predefined conditions. The interrupt output, INT (pin 22), is set low when a valid interrupt occurs. The interrupt status register, 04H, is then read to determine the source of the interrupt. Status register bits and the INT output pin remain active until the status register is read. Once read, status bits are cleared and the INT pin is pulled high by an external pull-up resistor to VIO. Interrupts may be masked using control register 05H. When masked, the interrupt mechanism associated with a particu- lar status bit is disabled. ADDRESS CS BIT 0 BIT 1 BIT 2 BIT 3 BIT 4 BIT 5 BIT 6 BIT 7 (HEX) Byte MSB LSB 8 A0 PRO = 0 AUDIO COPY EMPH EMPH EMPH MODE MODE 09 B0 PRO = 0 AUDIO COPY EMPH EMPH EMPH MODE MODE 0A A1 CAT CODE CAT CODE CAT CODE CAT CODE CAT CODE CAT CODE CAT CODE L 0B B1 CAT CODE CAT CODE CAT CODE CAT CODE CAT CODE CAT CODE CAT CODE L 0C A2 SOURCE SOURCE SOURCE SOURCE CH NUM CH NUM CH NUM CH NUM 0D B2 SOURCE SOURCE SOURCE SOURCE CH NUM CH NUM CH NUM CH NUM 0E A3 fS fS fS fS CLK ACC CLK ACC reserved reserved 0F B3 fS fS fS fS CLK ACC CLK ACC reserved reserved 10 A4 reserved reserved reserved reserved reserved reserved reserved reserved 11 B4 reserved reserved reserved reserved reserved reserved reserved reserved 12 A5 reserved reserved reserved reserved reserved reserved reserved reserved 13 B5 reserved reserved reserved reserved reserved reserved reserved reserved 14 A6 reserved reserved reserved reserved reserved reserved reserved reserved 15 B6 reserved reserved reserved reserved reserved reserved reserved reserved 16 A7 reserved reserved reserved reserved reserved reserved reserved reserved 17 B7 reserved reserved reserved reserved reserved reserved reserved reserved 18 A8 reserved reserved reserved reserved reserved reserved reserved reserved 19 B8 reserved reserved reserved reserved reserved reserved reserved reserved 1A A9 reserved reserved reserved reserved reserved reserved reserved reserved 1B B9 reserved reserved reserved reserved reserved reserved reserved reserved 1C A10 reserved reserved reserved reserved reserved reserved reserved reserved 1D B10 reserved reserved reserved reserved reserved reserved reserved reserved 1E A11 reserved reserved reserved reserved reserved reserved reserved reserved 1F B11 reserved reserved reserved reserved reserved reserved reserved reserved 20 A12 reserved reserved reserved reserved reserved reserved reserved reserved 21 B12 reserved reserved reserved reserved reserved reserved reserved reserved 22 A13 reserved reserved reserved reserved reserved reserved reserved reserved 23 B13 reserved reserved reserved reserved reserved reserved reserved reserved 24 A14 reserved reserved reserved reserved reserved reserved reserved reserved 25 B14 reserved reserved reserved reserved reserved reserved reserved reserved 26 A15 reserved reserved reserved reserved reserved reserved reserved reserved 27 B15 reserved reserved reserved reserved reserved reserved reserved reserved 28 A16 reserved reserved reserved reserved reserved reserved reserved reserved 29 B16 reserved reserved reserved reserved reserved reserved reserved reserved 2A A17 reserved reserved reserved reserved reserved reserved reserved reserved 2B B17 reserved reserved reserved reserved reserved reserved reserved reserved 2C A18 reserved reserved reserved reserved reserved reserved reserved reserved 2D B18 reserved reserved reserved reserved reserved reserved reserved reserved 2E A19 reserved reserved reserved reserved reserved reserved reserved reserved 2F B19 reserved reserved reserved reserved reserved reserved reserved reserved 30 A20 reserved reserved reserved reserved reserved reserved reserved reserved 31 B20 reserved reserved reserved reserved reserved reserved reserved reserved 32 A21 reserved reserved reserved reserved reserved reserved reserved reserved 33 B21 reserved reserved reserved reserved reserved reserved reserved reserved 34 A22 reserved reserved reserved reserved reserved reserved reserved reserved 35 B22 reserved reserved reserved reserved reserved reserved reserved reserved 36 A23 reserved reserved reserved reserved reserved reserved reserved reserved 37 B23 reserved reserved reserved reserved reserved reserved reserved reserved TABLE VIII. Channel Status Buffer for Consumer Mode (PRO = 0). |
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