Datasheet ADAU1761 (Analog Devices) - 2

link to page 1 link to page 1 link to page 1 link to page 1 link to page 3 link to page 4 link to page 4 link to page 7 link to page 8 link to page 9 link to page 10 link to page 10 link to page 11 link to page 12 link to page 14 link to page 14 link to page 14 link to page 15 link to page 17 link to page 20 link to page 23 link to page 24 link to page 24 link to page 24 link to page 24 link to page 24 link to page 24 link to page 26 link to page 26 link to page 27 link to page 27 link to page 29 link to page 29 link to page 31 link to page 32 link to page 32 link to page 33 link to page 35 link to page 35 link to page 36 link to page 37 link to page 37 link to page 38 link to page 38 link to page 38 link to page 41 link to page 42 link to page 44 link to page 44 link to page 44 link to page 44 link to page 44 link to page 45 link to page 45 link to page 45 link to page 45 link to page 45 link to page 45 link to page 46 link to page 46 link to page 47 link to page 47 link to page 47 link to page 47 link to page 47 link to page 48 link to page 49 link to page 49 link to page 50 link to page 51 link to page 52 link to page 93 link to page 93
ADAU1761 Data Sheet TABLE OF CONTENTS
Features .. 1 Playback Signal Path .. 35 Applications ... 1 Output Signal Paths ... 35 General Description ... 1 Headphone Output .. 36 Functional Block Diagram .. 1 Pop-and-Click Suppression .. 37 Revision History ... 3 Line Outputs ... 37 Specifications ... 4 Control Ports ... 38 Analog Performance Specifications ... 4 Burst Mode Writing and Reading .. 38 Power Supply Specifications.. 7 I2C Port .. 38 Typical Current Consumption .. 8 SPI Port .. 41 Typical Power Management Measurements ... 9 Serial Data Input/Output Ports .. 42 Digital Filters ... 10 Applications Information .. 44 Digital Input/Output Specifications... 10 Power Supply Bypass Capacitors .. 44 Digital Timing Specifications ... 11 GSM Noise Filter .. 44 Digital Timing Diagrams... 12 Grounding ... 44 Absolute Maximum Ratings .. 14 Exposed Pad PCB Design ... 44 Thermal Resistance .. 14 DSP Core ... 45 ESD Caution .. 14 Signal Processing .. 45 Pin Configuration and Function Descriptions ... 15 Architecture .. 45 Typical Performance Characteristics ... 17 Program Counter ... 45 System Block Diagrams ... 20 Features .. 45 Theory of Operation .. 23 Startup .. 45 Startup, Initialization, and Power ... 24 Numeric Formats ... 46 Power-Up Sequence ... 24 Programming .. 46 Power Reduction Modes .. 24 Program RAM, Parameter RAM, and Data RAM ... 47 Digital Power Supply .. 24 Program RAM .. 47 Input/Output Power Supply .. 24 Parameter RAM .. 47 Clock Generation and Management .. 24 Data RAM ... 47 Clocking and Sampling Rates ... 26 Read/Write Data Formats ... 47 Core Clock ... 26 Software Safeload ... 48 Sampling Rates .. 27 Software Slew .. 49 PLL.. 27 General-Purpose Input/Output .. 50 Record Signal Path .. 29 GPIO Pins Set from the Control Port .. 50 Input Signal Paths ... 29 Control Registers .. 51 Analog-to-Digital Converters ... 31 Control Register Details .. 52 Automatic Level Control (ALC) ... 32 Outline Dimensions ... 93 ALC Parameters .. 32 Ordering Guide .. 93 Noise Gate Function .. 33 Rev. D | Page 2 of 93 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Analog Performance Specifications Power Supply Specifications Typical Current Consumption Typical Power Management Measurements Digital Filters Digital Input/Output Specifications Digital Timing Specifications Digital Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics System Block Diagrams Theory of Operation Startup, Initialization, and Power Power-Up Sequence Power Reduction Modes Digital Power Supply Input/Output Power Supply Clock Generation and Management Case 1: PLL Is Bypassed Case 2: PLL Is Used PLL Lock Acquisition Clocking and Sampling Rates Core Clock Sampling Rates PLL Integer Mode Fractional Mode Record Signal Path Input Signal Paths Analog Microphone Inputs Analog Line Inputs Digital Microphone Input Microphone Bias Analog-to-Digital Converters ADC Full-Scale Level Digital ADC Volume Control High-Pass Filter Automatic Level Control (ALC) ALC Parameters Noise Gate Function Playback Signal Path Output Signal Paths Routing Flexibility Headphone Output Capless Headphone Configuration Headphone Output Power-Up/Power-Down Sequencing Ground-Centered Headphone Configuration Jack Detection Pop-and-Click Suppression Line Outputs Control Ports Burst Mode Writing and Reading I2C Port Addressing I2C Read and Write Operations SPI Port Chip Address R/WB Subaddress Data Bytes Serial Data Input/Output Ports Applications Information Power Supply Bypass Capacitors GSM Noise Filter Grounding Exposed Pad PCB Design DSP Core Signal Processing Architecture Program Counter Features Startup Numeric Formats Numeric Format 5.23 Programming Program RAM, Parameter RAM, and Data RAM Program RAM Parameter RAM Data RAM Read/Write Data Formats Software Safeload Software Slew General-Purpose Input/Output GPIO Pins Set from the Control Port Control Registers Control Register Details R0: Clock Control, 16,384 (0x4000) R1: PLL Control, 16,386 (0x4002) R2: Digital Microphone/Jack Detection Control, 16,392 (0x4008) R3: Record Power Management, 16,393 (0x4009) R4: Record Mixer Left (Mixer 1) Control 0, 16,394 (0x400A) R5: Record Mixer Left (Mixer 1) Control 1, 16,395 (0x400B) R6: Record Mixer Right (Mixer 2) Control 0, 16,396 (0x400C) R7: Record Mixer Right (Mixer 2) Control 1, 16,397 (0x400D) R8: Left Differential Input Volume Control, 16,398 (0x400E) R9: Right Differential Input Volume Control, 16,399 (0x400F) R10: Record Microphone Bias Control, 16,400 (0x4010) R11: ALC Control 0, 16,401 (0x4011) R12: ALC Control 1, 16,402 (0x4012) R13: ALC Control 2, 16,403 (0x4013) R14: ALC Control 3, 16,404 (0x4014) R15: Serial Port Control 0, 16,405 (0x4015) R16: Serial Port Control 1, 16,406 (0x4016) R17: Converter Control 0, 16,407 (0x4017) R18: Converter Control 1, 16,408 (0x4018) R19: ADC Control, 16,409 (0x4019) R20: Left Input Digital Volume, 16,410 (0x401A) R21: Right Input Digital Volume, 16,411 (0x401B) R22: Playback Mixer Left (Mixer 3) Control 0, 16,412 (0x401C) R23: Playback Mixer Left (Mixer 3) Control 1, 16,413 (0x401D) R24: Playback Mixer Right (Mixer 4) Control 0, 16,414 (0x401E) R25: Playback Mixer Right (Mixer 4) Control 1, 16,415 (0x401F) R26: Playback L/R Mixer Left (Mixer 5) Line Output Control, 16,416 (0x4020) R27: Playback L/R Mixer Right (Mixer 6) Line Output Control, 16,417 (0x4021) R28: Playback L/R Mixer Mono Output (Mixer 7) Control, 16,418 (0x4022) R29: Playback Headphone Left Volume Control, 16,419 (0x4023) R30: Playback Headphone Right Volume Control, 16,420 (0x4024) R31: Playback Line Output Left Volume Control, 16,421 (0x4025) R32: Playback Line Output Right Volume Control, 16,422 (0x4026) R33: Playback Mono Output Control, 16,423 (0x4027) R34: Playback Pop/Click Suppression, 16,424 (0x4028) R35: Playback Power Management, 16,425 (0x4029) R36: DAC Control 0, 16,426 (0x402A) R37: DAC Control 1, 16,427 (0x402B) R38: DAC Control 2, 16,428 (0x402C) R39: Serial Port Pad Control, 16,429 (0x402D) R40: Control Port Pad Control 0, 16,431 (0x402F) R41: Control Port Pad Control 1, 16,432 (0x4030) R42: Jack Detect Pin Control, 16,433 (0x4031) R67: Dejitter Control, 16,438 (0x4036) R43 to R47: Cyclic Redundancy Check Registers, 16,576 to 16,580 (0x40C0 to 0x40C4) R48 to R51: GPIO Pin Control, 16,582 to 16,585 (0x40C6 to 0x40C9) R52 to R56: Watchdog Registers, 16,592 to 16,596 (0x40D0 to 0x40D4) R57: DSP Sampling Rate Setting, 16,619 (0x40EB) R58: Serial Input Route Control, 16,626 (0x40F2) R59: Serial Output Route Control, 16,627 (0x40F3) R60: Serial Data/GPIO Pin Configuration, 16,628 (0x40F4) R61: DSP Enable, 16,629 (0x40F5) R62: DSP Run, 16,630 (0x40F6) R63: DSP Slew Modes, 16,631 (0x40F7) R64: Serial Port Sampling Rate, 16,632 (0x40F8) R65: Clock Enable 0, 16,633 (0x40F9) R66: Clock Enable 1, 16,634 (0x40FA) Outline Dimensions Ordering Guide