SI270X-A-EVB Silicon Laboratories Inc, SI270X-A-EVB Datasheet - Page 32

• Manufacturer Part Number: SI270X-A-EVB
• Description: BOARD EVAL FOR SI270X-A
• Manufacturer: Silicon Laboratories Inc

Specifications of SI270X-A-EVB

• Board Type: Fully Populated
• Amplifier Type: Class D
• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 5W x 2 @ 3 Ohm
• Voltage - Supply: 9V
• Utilized Ic / Part: SI270X-A
• Description/function: Audio Amplifiers
• Output Power: 5 W
• Product: Audio Modules
• For Use With/related Products: Si270x
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1929

Si2704/05/06/07-A10
5. Commands and Properties
Table 16 and Table 17 are the summary of commands and properties for the Si270x Class D Audio Amplifier
device.
32
Number
Category Number
Interrupt
0x01
0x10
0x12
0x13
0x14
0x15
0x16
0x21
0x22
0x23
0x24
0x31
0x32
Clock
AAD
I2S
POWER_UP
FUNC_INFO
SET_PROPERTY
GET_PROPERTY
MFP_PIN_CFG
SET_AUDIO_INPUT_MIXER
OUTSEL
SET_EQ_BIQUAD_FILTER_COEFF Set Biquad Filter.
GET_INT_STATUS
GET_FAULT_STATUS
GET_AUDIO_STATUS
ACTIVATE
POWER_DOWN
0x0001
0x0101
0x0102
0x0103
0x0104
0x0201
0x0301
0x0302
0x0303
INT_ENABLE
REF_CLOCK_SOURCE
REF_CLOCK_FREQ
CLOCK_OUT_FREQ
DIGITAL_AUDIO_SAMPLE_RATE
DIGITAL_AUDIO_CONFIG
AAD_CONFIG
AAD_THRESHOLD
AAD_DURATION
Table 16. Class D Audio Amplifier Command Summary
Table 17. Class D Audio Amplifier Property Summary
Name
Name
Common Commands
Power-up the device.
Returns the Function revision information of the device.
Set the value of a property.
Retrieve a property’s value.
Configure MFP pins.
Configure Audio input source.
Select amplifier outputs.
Read interrupt status bit.
Get the source of the fault condition.
Read back audio parameters.
Enable or disable audio processing & amplifier output operations.
Power-down the device.
Rev. 0.6
Configure Interrupt Source.
Select the reference source for PLL.
Set the reference clock freq for the PLL in kHz units.
Configure output clock frequency.
Set the digital audio sampling rate.
Sets the Digital Audio Input Format Configuration.
Set Audio Activity Detector (AAD) Configuration.
Set audio level threshold where the device will go into
standby if the audio input level falls below this thresh-
old.
Set how long the signal has been below the threshold
in ms before going to standby state.
Summary
Summary