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CS5524-AP Datasheet(PDF) 30 Page - Cirrus Logic |
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CS5524-AP Datasheet(HTML) 30 Page - Cirrus Logic |
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30 / 56 page  CS5521/22/23/24/28 30 DS317F2 * R indicates the bit value after the part is reset D23(MSB) D22 D21 D20 D19 D18 D17 D16 D15 D14 D13 D12 NU NU CFS1 CFS0 NU MC LP RC DP3 DP2 DP1 DP0 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 PSS PD PS/R LPM RS RV OD OF NUNUNU NU BIT NAME VALUE FUNCTION D23-D22 Not Used, NU 00 R* Must always be logic 0. D21-D20 Chop Frequency Select, CFS1-CFS0 00 01 10 11 R 256 Hz Amplifier chop frequency. (XIN = 32.768 kHz) 4,096 Hz Amplifier chop frequency. 16,384 Hz Amplifier chop frequency. 1,024 Hz Amplifier chop frequency. D19 Not Used, NU 0 R Must always be logic 0. D18 Multiple Conversion, MC 0 1 R Perform single-Setup conversions. MC bit is ignored during calibrations. Perform multiple-Setup conversions on Setups in the channel-setup reg- ister by issuing only one command with MSB = 1. D17 Loop, LP 0 1 R The conversions on the single Setup (MC = 0) or multiple Setups (MC = 1) are performed only once. The conversions on the single Setup (MC = 0) or multiple Setups (MC = 1) are continuously performed. D16 Read Convert, RC 0 1 R Don’t wait for user to finish reading data before starting new conversions. The RC bit is used in conjunction with the LP bit when the LP bit is set to logic 1. If LP = 0, the RC bit is ignored. If LP = 1, the ADC waits for user to read data conversion(s) before converting again. The RC bit is ignored during calibrations. Refer to Calibration Protocol for details. D15-D12 Depth Pointer, DP3-DP0 0000 . . 1111 R When writing or reading the CSRs, these bits (DP3-DP0) determine the number of CSR’s to be accessed. They are also used to determine how many Setups are converted when MC=1 and a command byte with its MSB = 1 is issued. Note that the CS5522 has two CSRS, the CS5524 has four CSRs, and the CS5528 has 8 CSRs. D11 Power Save Select, PSS 0 1 R Standby Mode (Oscillator active, allows quick power-up). Sleep Mode (Oscillator inactive). D10 Pump Disable, PD 0 1 R Charge Pump Enabled. For PD = 1, the CPD pin goes to a Hi-Z output state. D9 Power Save/Run, PS/R 0 1 RRun. Power Save. D8 Low Power Mode, LPM 0 1 R Normal Mode (LPM bit is only for the CS5522/24/28) Reduced Power Mode D7 Reset System, RS 0 1 R Normal Operation. Activate a Reset cycle. To return to Normal Operation write bit to zero. D6 Reset Valid, RV 0 1R No reset has occurred or bit has been cleared (read only). Bit is set after a Valid Reset has occurred. (Cleared when read.) D5 Oscillation Detect, OD 0 1 R Bit is clear when an oscillation condition has not occurred (read only). Bit is set when an oscillatory condition is detected in the modulator. D4 Overrange Flag, OF 0 1 R Bit is clear when an overrange condition has not occurred (read only). Bit is set when input signal is more positive than the positive full scale, more negative than zero (unipolar mode), or when the input is more neg- ative than the negative full scale (bipolar mode). D3-D0 Not Used, NU 0000 R Must always be logic 0. Table 4. Configuration Register |
Similar Part No. - CS5524-AP |
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Similar Description - CS5524-AP |
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