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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STA381BWS датащи(PDF) 69 Page - STMicroelectronics |
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STA381BWS датащи(HTML) 69 Page - STMicroelectronics |
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69 / 174 page  DocID018937 Rev 7 69/174 STA381BWS Register description: New Map 6.18.3 LRCK double trigger protection This bit actively prevents double triggering of LRCLK. 6.18.4 Power-down The PWDN register is used to place the IC in a low-power state. When PWDN is written as 0, the output begins a soft-mute. After the mute condition is reached, EAPD is asserted to power down the power stage, then the master clock to all internal hardware except the I2C block is gated. This places the IC in a very low power consumption state.The register state is preserved once the device recovers from power-down. 6.18.5 External amplifier power-down The EAPD register directly disables/enables the internal power circuitry. When EAPD = 0, the internal power section is placed in a low-power state (disabled). This register also controls the EAPD/FFX4B output pin when OCFG = 11. 6.19 Volume control registers (addr 0x17 - 0x1B) 6.19.1 Mute/line output configuration register (addr 0x17) Table 50. LRCK double trigger protection Bit R/W RST Name Description 4 R/W 1 LDTE LRCLK double trigger protection enable Table 51. IC power-down Bit R/W RST Name Description 7 R/W 1 PWDN 0: IC power-down low-power condition 1: IC normal operation Table 52. External amplifier power-down Bit R/W RST Name Description 7 R/W 0 EAPD 0: External power stage power-down active 1: Normal operation D7 D6 D5 D4 D3 D2 D1 D0 LOC1 LOC0 Reserved Reserved C3M C2M C1M MMUTE 00000000 Obsolete Product(s) - Obsolete Product(s) |
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