AK4112AVF AKM Semiconductor, Inc., AK4112AVF Datasheet
AK4112AVF
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AK4112AVF Summary of contents
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ASAHI KASEI The AK4112A is a digital audio receiver (DIR) compatible with 96kHz, 24bits. The channel status decoding supports both consumer and professional modes. The AK4112A can automatically detect a Non-PCM bit stream. When combined with an AK4527 multi channel ...
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ASAHI KASEI Compatibility with AK4110 Ambient Temperature AVDD, DVDD fs Crystal resonator (max) Clock Operation Mode 3 Parallel Control Mode TX output 512fs output 384fs output Burst Preamble Pc, Pd buffers FS96 output select in X’tal ...
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ASAHI KASEI AVSS AVDD RX1 Input RX2 RX3 Selector RX4 V/TX DVDD DVSS System Control PDN AVSS AVDD RX1 V DVDD DVSS OCKS0 OCKS1 System CM0 Control CM1 PDN MS0020-E-00 R MCKO1 MCKO2 Clock Clock Recovery Generator DAIF DEM Decoder ...
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... ASAHI KASEI n Ordering Guide AK4112AVF Pin Layout DVDD 1 DVSS 2 TVDD 3 V/TX 4 XTI 5 XTO 6 PDN AVDD 9 10 AVSS 11 RX1 RX2/DIF0 12 13 RX3/DIF1 RX4/DIF2 14 MS0020-E-00 -40 ~ +85 °C 28pin VSOP (0.65mm pitch Top View ...
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ASAHI KASEI No. Pin Name I/O 1 DVDD - 2 DVSS - 3 TVDD - XTI I 6 XTO O 7 PDN AVDD - 10 AVSS - 11 RX1 ...
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ASAHI KASEI (AVSS, DVSS=0V; Note 2) Parameter Power Supplies: Analog Digital Input Buffer |AVSS-DVSS| Input Current , Any Pin Except Supplies Input Voltage (Except XTI pin) Input Voltage (XTI pin) Ambient Temperature (power applied) Storage Temperature Note 2: All voltages ...
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ASAHI KASEI (Ta=25°C; DVDD, AVDD2.7~3.6V, TVDD=2.7~5.5V; C Parameter Master Clock Timing Crystal Resonator Frequency External Clock Frequency Duty MCKO1 Output Frequency Duty Frequency MCKO2 output Duty PLL Clock Recover Frequency (RX1-4) LRCK Frequency Duty Cycle Audio Interface Timing Slave Mode ...
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ASAHI KASEI n Timing Diagram LRCK BICK SDTO DAUX LRCK tMBLR BICK SDATA DAUX CSN CCLK CDTI CDTO MS0020-E-00 tBLR tLRB tBCKL tLRM tBSD tDXS tDXH Serial Interface Timing (Slave Mode) tDXS tDXH Serial Interface Timing (Master Mode) tCSS tCCKL ...
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ASAHI KASEI CSN CCLK CDTI D3 CDTO CSN CCLK CDTI A1 CDTO CSN CCLK ...
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ASAHI KASEI Non-PCM (AC-3, MPEG, etc.) Stream Detect The AK4112A has a Non-PCM steam auto detect function. When the 32bit mode Non-PCM preamble based on Dolby “AC-3 Data Stream in IEC958 Interface” is detected, the AUTO ...
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ASAHI KASEI Clock Source The following circuits are available to feed the clock to XTI pin (#5 pin) of AK4112A. 1) X’tal Note: External capacitance depends on the crystal oscillator (Typ. 10-40pF) 2) External clock External ...
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ASAHI KASEI Sampling Frequency and Pre-emphasis Detect The AK4112A outputs the encoded information of sampling frequency and pre-emphasis in channel status to FS0, FS1 and PEM bits in control register. These information are output from channel ...
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ASAHI KASEI De-emphasis Filter Control The AK4112A includes the digital de-emphasis filter (tc=50/15µs) by IIR filter corresponding to four sampling frequencies (32kHz, 44.1kHz, 48kHz and 96kHz). When DEAU bit=“1”, the de-emphasis filter is enabled automatically by ...
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ASAHI KASEI System Reset and Power-Down The AK4112A has a power-down mode for all circuits by PDN pin can be partially powerd-down by PWN bit. The RSTN bit initializes the register and resets the internal timing. ...
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ASAHI KASEI 75W Coax Figure 1. Consumer Input Circuit (Coaxial Input) Note: In case of coaxial input coupling level to this input from the next RX input line pattern exceeds 50mV, there is a possibility to occur an ...
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ASAHI KASEI n Error Handling There are the following five factors which ERF pin goes “H”. ERF pin shows the status of the internal PLL operation and it is “L” when the PLL is OFF (Clock Operation Mode 1). 1. ...
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ASAHI KASEI (ch. status ) (state A ) STC bit Command ERF ...
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ASAHI KASEI Mute="L" MS0020-E-00 PD pin ="L" to "H" Initialize Read 03H STC is reset, ERF pin ="L" Read 04H ERF pin ="H" YES Mute = "H" Read 03H STC is reset, ERF pin ="L" Read 04H ERF pin ="H" ...
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ASAHI KASEI n Audio Serial Interface Format The DIF0, DIF1 and DIF2 pins as shown in Table 13 can select eight serial data formats. In all formats the serial data is MSB-first, 2's compliment format. The SDTO is clocked out ...
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ASAHI KASEI ...
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ASAHI KASEI Serial Control Interface The internal registers may be either written or read by the 4-wire µP interface pins: CSN, CCLK, CDTI & CDTO. The data on this interface consists of Chip address (2bits, C0/1 ...
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ASAHI KASEI n Register Map Addr Register Name 00H Clock & Power down Control 01H Input/Output Control 02H Format & De-emphasis Control 03H Receiver status 1 04H Receiver status 2 05H Channel A Status Byte 0 06H Channel A Status ...
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ASAHI KASEI Register Definitions Reset & Initialize Addr Register Name 00H Clock & Power down Control R/W default RSTN: Timing Reset & Register Initialize 0: Reset & Initialize 1: Normal Operation PWN: Power Down 0: Power ...
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ASAHI KASEI Input/Output Control Addr Register Name 01H Input/Output Control R/W default OPS1-0: Output Through Data Select IPS1-0: Input Recovery Data Select TXE: TX Output Enable 0: Disable. TX output pin is placed in a high impedance state. 1: Enable ...
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ASAHI KASEI Receiver Status 1 Addr Register Name 03H Receiver status 1 R/W default RFS96: 96kHz Sampling Detect at Recovery Mode. 0: fs=54kHz or less. 1: fs=88.2kHz or more FS1-0: Sampling Frequency Output PEM: Pre-emphasis Output 0: OFF 1: ON ...
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ASAHI KASEI Channel Status Addr Register Name 05H Channel A Status Byte 0 06H Channel A Status Byte 1 07H Channel A Status Byte 2 08H Channel A Status Byte 3 09H Channel B Status Byte 0 0AH Channel B ...
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ASAHI KASEI Burst preambles in non-PCM bitstreams preamble Aux Preamble word Length of field Pa 16 bits Pb 16 bits Pc 16 bits Pd 16 bits Bits of Pc ...
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ASAHI KASEI Non-PCM Bitstream timing 1) When Non-PCM preamble is not coming within 4096 frames, PDN pin Bit stream AUTO Pc Register “0” Pd Register “0” 2) When Non-PCM bitstream stops ...
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ASAHI KASEI Figure 11 shows the example of system connection diagram for Serial Mode. 3.3V Supply 10u 0. 3.3~5V Supply + ...
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ASAHI KASEI 28pin VSOP (Unit: mm) *9.8±0.2 0.675 28 1 0.22 ± 0.1 Seating Plane NOTE: Dimension "*" does not include mold flash Material & Lead finish Package molding compound: Lead frame material: Lead frame surface ...
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... AKM harmless from any and all claims arising from the use of said product in the absence of such notification. MS0020-E-00 MARKING AKM AK4112AVF XXXBYYYYC Date code identifier Lot number (X : Digit number Alpha character ) Assembly date (Y : Digit number C : Alpha character) IMPORTANT NOTICE ...