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STA321 数据表(PDF) 24 Page - STMicroelectronics

部件名 STA321
功能描述  4-channel digital audio system with FFX??driver
PDF  157 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA321 数据表(HTML) 24 Page - STMicroelectronics

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Power-up and power-down sequences
STA321
24/157
Doc ID 15351 Rev 3
Table 13.
Frequently used signals
Name
Description
STBY
Input pin STBY on page 11
PWDN
DC regulator
Internal
A. OK
DC regulator
Internal
CMP_EN_N
Bit 1, register STBY_MODES on page 139
EA_STBY
CB_STBY
Bits 7:6, register FFXCFG1 on page 81
EA/CB volume
Internal
PLL_UNLOCK
Bit 7, register PLLST on page 132
PLL_PWDN
Bit 5, register PLLPFE on page 132
CLK_PROC_ON
Bit 2, register CKOCFG on page 134
CLK_PROC
Processing clock
CLK_FFX_ON
Bit 4, register CKOCFG on page 134
clk_ffx
FFX clock
CLK_ADC_ON
Bit 1, register ADCCFG0 on page 133
clk_adc
ADC clock
CLK_SRC_ON
Bit 3, register CKOCFG on page 134
clk_src
SRC clock
CMP_EN_N
Bit 1, register STBY_MODES on page 139
DC_STBY_EN
Bit 0, register STBY_MODES on page 139
FFX_ULCK_PLL
Bits 4:3, register FFXCFG1 on page 81



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