Cirrus-logic CRD48L10 Manual de usuario Pagina 6
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1.3 Introduction to the CRD48L10 Kit
Figure 1-1. CRD48L10-4in4out Block Diagram
The main components to be familiar with on the board are:
• CS48L10 DSP
• CS42L73 Ultra Low-power CODEC
• CS35L01 Mono Class-D Amplifier
• CS8416 S/PDIF Rx
• CS8406 S/PDIF Tx
• Silicon Labs
™
C8051F930 MCU
The main purpose of this board is to allow a customer to evaluate the Cirrus Logic CS48L10 DSP and other Cirrus Logic
analog semiconductors in a complete audio subsystem.
The Silicon Labs MCU handles the SPI, I²C, and GPIO to control the board components. USB control of the DSP is
possible by connecting the CDB-MCU-DEBUG dongle to the JP2 header.
1.3 Introduction to the CRD48L10 Kit
Fig. 1-2 shows a picture of the CRD48L10-4in4out with labels on the important connections. Fig. 1-3 shows a picture of
the CRD48L10 MCU-USER-INTERFACE board. Fig. 1-4 shows a picture of the CDB-MCU-DEBUG board. Fig. 1-5 shows
a picture of the supplied ribbon cables. Fig. 1-6 shows a picture of the supplied mini-USB and 1/8” to RCA cables. Fig. 1-7
shows a picture of the TOSLINK to mini TOSLINK adapter.
SiLab
MCU
SPI
I2C
HP
EAR
SPKR-L
+1v8
DSP
FLASH
SCP Probe HDR
(SPI, I2C)
+5V -> +4v0
+3v3 -> +1 v8
+3v3 -> +1v0 / +1v2
Control & MP3
USB
Digital MIC
Header
Line
Out
HEADER
MIC1
MIC2
CS42L73
CODEC
ASP
SDI
CHAS
CS48L10
DSP
I2S DAI2
I2C
I2S
Clocks
SCP
+1v0 / +1v2
+1v8
+1v8
+5v0
Current
Sense
Header
JP2 CTRL HDR
I2S DAO2
MCLK
REF
CLK
Line In
SDO
XSP
CLOCKS
SDI
I2S DAI1 I2S DAO1
CS8416
CS8406
RMCK
+3v3
+3v3
Mini -
OPTICAL
RX
Mini-
OPTICAL
TX
CRD48L10 – 4IN4OUT
Level Translation
HEADER
SPKR-R
CS35L01
VSP
CLOCKS
SDI SDO
GSM Tellit HDR
+3v3 -> +1v8 (Translator VL)
I2S Probe HDR (DAI[2:1], DAO[2:1], Clocks)
Level Translation
+5V -> +3v3 (SPDIF)
12.288 MHz
OSC
MCLK1
Level Translation
CLOCKS
SDO
Level Translation
Dongle Active
+4v0 -> +3.3V
+4v0
+3v0
Level Translation
c
USB +5V
c
INPUT MODE
SELECT
LCD
LCD Button board
JP6
JP1
INPUT SOURCE DISPLAY
I/O Expander
HE ADE R
uHDMI
Level
Translation
CLK HDR
Coax
RX
- CRD48L10-4in4out 1
- Chapter 1 5
- CRD48L10 – 4IN4OUT 6
- Figure 1-2. CRD48L10-4in4out 7
- Figure 1-5. Ribbon Cables 8
- Chapter 2 10
- Input/Output Specifications 10
- 2.2 Audio Outputs 11
- 2.5 USB Power Input 13
- 2.6 Input Button (S1) 13
- 2.8 Buttons and Knobs 13
- Chapter 3 15
- Standalone Modes 15
- Figure 3-4. LINE IN Active 17
- 3.1.4 LINE IN 19
- 3.1.5 MIC 1 & 2 20
- 3.2 MCU UI Controlled 21
- 3.2.2 Project Menu 22
- 3.2.2.2 LINE IN Project 23
- 3.2.2.3 MIC 1 & 2 Project 23
- 3.2.2.4 S/PDIF Project 23
- 3.2.3 Snapshot Menu 25
- 3.2.4 AudioIn Source Menu 25
- 3.2.5 Clock Source Menu 25
- C Control Source Menu 26
- Chapter 4 27
- 4.3 Monitoring Audio 28
- Chapter 5 29
- Using DSP Composer 29
- with CRD48L10-4in4out 29
- Figure 5-3. S/PDIF Pass-thru 30
- Figure 5-4. S/PDIF + LINE-IN 30
- Chapter 6 31
- Updating the MCU Image 31
- 6.3 Programming the MCU 32
- Fig. 6-4 32
- Chapter 7 33
- Chapter 8 34
- Programming MP3 FLASH 34
- Chapter 9 35
- Master Boot Usage 35
- 9.2 I2C Master Boot 36
- Chapter 10 37
- Chapter 11 38
- Measuring Power 38
- TP20 +1.0 V – +1.2 V 11 µA 39
- TP21 +1.8 V 0.8 µA 39
- TP22 +4.0 V 1.0 µA 39
- TP23 +1.8 V 6.0 µA 39
- Chapter 12 40
- Using Analog MEMS Microphones 40
- Chapter 13 42
- Chapter 14 43
- Schematic, Layout, BOM 43
- Chapter 15 44
- Revision History 44
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