KX1400EW Keterex, KX1400EW Datasheet - Page 25

• Manufacturer Part Number: KX1400EW
• Description: Audio D/A Converter ICs KX1400 Audio Playback IC
• Manufacturer: Keterex

Specifications of KX1400EW

• Resolution: 12 bit
• Operating Supply Voltage: 2.7 V to 5.5 V
• Operating Temperature Range: - 40 C to + 85 C
• Maximum Power Dissipation: 120 mW
• Mounting Style: SMD/SMT
• Number Of Dac Outputs: 2
• Power Consumption: 320 mW
• Supply Current: 50 mA
• Thd Plus Noise: 40 dB
• Package / Case: SOIC-20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8.7. Play Phrase
Description: The Play Phrase command instructs the KX1400 to retrieve and process a specified phrase
8.8. Set Volume
Description: The Set Volume command configures the speaker driver to one of 16 output levels. A
8.9. Set Outputs
Encoding:
Encoding:
Encoding:
Options: None
Options: None
Length: 16 Bits
Length: 8 Bits
Type: Audio
Type: Control
Data: Bits 15-8: Phrase Index
Data: Bits 7-4: Volume Level
from external memory. A maximum of 4096 unique phrases is supported.
The Phrase Index is an ordinal identifier specifying one of a possible 4096 unique phrases
to be retrieved and processed from external memory.
information on external memory organization and how phrase data is stored and accessed.
This command should not be used within a phrase to be processed from external memory.
Issuing this command from external memory will effectively deadlock the device until a
device reset takes place.
value of 1111 corresponds to the maximum output level and 0000 the lowest. Note: a
volume level of zero does not mute the output (disable the speaker driver). It only silences
the audible components of the output signal.
Specifies one of 16 speaker output levels with 1111 corresponding to the maximum output
level and 0000 the lowest.
Outputs Configuration
Volume Level
Phrase Index
Bits 15-4
Bits 7-4
Bits 7-5
0 (Reserved)
Bits 3-0
Bits 3-0
0110
1000
Bit 4
Bits 3-0
1001
KX1400 Audio Playback IC
See Section 6.3.3 for more
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