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TAS3218IPZP 数据表(PDF) 67 Page - Texas Instruments |
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TAS3218IPZP 数据表(HTML) 67 Page - Texas Instruments |
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67 / 79 page ![]() Mute Control GPIO Control (0x0c) TAS3218 www.ti.com ....................................................................................................................................................................................................... SLES235 – JULY 2008 Table 32. Mute Control BI 31 30 29 28 27 26 25 24 DESCRIPTION T 0 0 0 0 0 0 0 0 Unused BI 23 22 21 20 19 18 17 16 T 0 0 0 0 0 0 Unused AMX3 AMX3 AMUX03 (LINEOUT3) BI 15 14 13 12 11 10 9 8 T AMX2 AMX2 Analog MUX out (LINEOUT2) AMX1 AMX0 Analog MUX out (LINEOUT1) SD2 SD2 SDOUT2/SPDIFOUT SD1 SD1 SDOUT1 BI 7 6 5 4 3 2 1 0 T DAC1 DAC1 DAC1 (DACOUT1) DAC2 DAC2 DAC2 (DACOUT2) DAC3 DAC3 DAC3 (HPOUT) DIT DIT DIT (BiPhase) Table 33. MUTE(1) MUTE MUTE[1] MUTE[0] HW Mute Control 0 0 Force mute off x 1 Force mute on 1 0 (1) Default values are shown in italics. Table 34. GPIO Control (0x0c) BIT 31 30 29 28 27 26 25 24 DESCRIPTION WDE Watchdog timer 0 0 0 Unused IO2 GPIO2 input/output value IO1 GPIO1 input/output value DIR2 GPIO2 direction DIR1 GPIO1 direction BIT 23 22 21 20 19 18 17 16 x x x x x x x x GPIOMICROCOUNT MSB BIT 15 14 13 12 11 10 9 8 x x x x x x x x GPIOMICROCOUNT LSB BIT 7 6 5 4 3 2 1 0 y y y y y y y y GPIO_Sampling_Interval GPIOMICROCOUNT sets the number of micro clock cycles for Timer 0 interrupt. In Timer 0 interrupt service routine, watchdog timer is reset if it is enabled. The default value for this counter is 0x5820 which correspond to a period 1.25 ms. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 67 Product Folder Link(s): TAS3218 |
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