JAJSGF2C
August 2012 – October 2018
PCM5121
,
PCM5122
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
単純化したシステム図
4
改訂履歴
5
概要(続き)
6
Device Comparison
7
Pin Configuration and Functions
7.0.1
RHB Package I2C Mode (MODE1 tied to DGND and MODE2 tied to DVDD) Top View
7.0.2
RHB Package SPI Mode (MODE1 tied to DVDD) Top View
7.0.3
RHB Package Hardwired Mode (MODE1 tied to DGND, MODE2 tied to DGND) Top View
Pin Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
Timing Requirements: SCK Input
8.7
Timing Requirements: XSMT
8.8
Switching Characteristics
8.9
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Terminology
9.3.2
Audio Data Interface
9.3.2.1
Audio Serial Interface
9.3.2.2
PCM Audio Data Formats
9.3.2.3
Zero Data Detect
9.3.3
XSMT Pin (Soft Mute / Soft Un-Mute)
9.3.4
Audio Processing
9.3.4.1
PCM512x Audio Processing
9.3.4.1.1
Overview
9.3.4.1.2
Software
9.3.4.2
Interpolation Filter
9.3.4.3
Fixed Audio Processing Flow (Program 5)
9.3.4.3.1
Filter Programming Changes
9.3.4.3.2
Processing Blocks – Detailed Descriptions
9.3.4.3.3
Biquad Section
9.3.4.3.4
Dynamic Range Compression
9.3.4.3.5
Stereo Mixer
9.3.4.3.6
Stereo Multiplexer
9.3.4.3.7
Mono Mixer
9.3.4.3.8
Master Volume Control
9.3.4.3.9
Miscellaneous Coefficients
9.3.5
DAC Outputs
9.3.5.1
Analog Outputs
9.3.5.2
Recommended Output Filter for the PCM512x
9.3.5.3
Choosing Between VREF and VCOM Modes
9.3.5.3.1
Voltage Reference and Output Levels
9.3.5.3.2
Mode Switching Sequence, from VREF Mode to VCOM Mode
9.3.5.4
Digital Volume Control
9.3.5.4.1
Emergency Ramp-Down
9.3.5.5
Analog Gain Control
9.3.6
Reset and System Clock Functions
9.3.6.1
Clocking Overview
9.3.6.2
Clock Slave Mode With Master and System Clock (SCK) Input (4 Wire I2S)
9.3.6.3
Clock Slave Mode With BCK PLL to Generate Internal Clocks (3-Wire PCM)
9.3.6.4
Clock Generation Using the PLL
9.3.6.5
PLL Calculation
9.3.6.5.1
Examples:
9.3.6.5.1.1
Recommended PLL Settings
9.3.6.6
Clock Master Mode from Audio Rate Master Clock
9.3.6.7
Clock Master from a Non-Audio Rate Master Clock
9.4
Device Functional Modes
9.4.1
Choosing a Control Mode
9.4.1.1
Software Control
9.4.1.1.1
SPI Interface
9.4.1.1.1.1
Register Read and Write Operation
9.4.1.1.2
I2C Interface
9.4.1.1.2.1
Slave Address
9.4.1.1.2.2
Register Address Auto-Increment Mode
9.4.1.1.2.3
Packet Protocol
9.4.1.1.2.4
Write Register
9.4.1.1.2.5
Read Register
9.4.1.1.2.6
Timing Characteristics
9.4.2
VREF and VCOM Modes
9.5
Programming
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.3
Application Curve
11
Power Supply Recommendations
11.1
Power Supply Distribution and Requirements
11.2
Recommended Powerdown Sequence
11.2.1
XSMT = 0
11.2.2
Clock Error Detect
11.2.3
Planned Shutdown
11.2.4
Unplanned Shutdown
11.3
External Power Sense Undervoltage Protection Mode
11.4
Power-On Reset Function
11.4.1
Power-On Reset, DVDD 3.3-V Supply
11.4.2
Power-On Reset, DVDD 1.8-V Supply
11.5
PCM512x Power Modes
11.5.1
Setting Digital Power Supplies and I/O Voltage Rails
11.5.2
Power Save Modes
11.5.3
Power Save Parameter Programming
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Register Maps
13.1
PCM512x Register Map
13.1.1
Detailed Register Descriptions
13.1.1.1
Register Map Summary
13.1.1.2
Page 0 Registers
13.1.1.3
Page 1 Registers
13.1.1.4
Page 44 Registers
13.1.1.5
Page 253 Registers
13.1.2
PLL Tables for Software Controlled Devices
13.1.3
Coefficient Data Formats
13.1.4
Power Down and Reset Behavior
14
デバイスおよびドキュメントのサポート
14.1
開発サポート
14.2
ドキュメントのサポート
14.3
関連リンク
14.4
ドキュメントの更新通知を受け取る方法
14.5
コミュニティ・リソース
14.6
商標
14.7
静電気放電に関する注意事項
14.8
Glossary
15
メカニカル、パッケージ、および注文情報
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
PW|28
MPDS364
サーマルパッド・メカニカル・データ
発注情報
jajsgf2c_oa
jajsgf2c_pm
9.3.6
Reset and System Clock Functions