KX1400EW Keterex, KX1400EW Datasheet - Page 9

• 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

MCU or as part of a phrase processed from external memory. Commands belong to one of two execution
types: control and audio. Control commands can be executed at any time, including while an audio
KX1400 command set.
6.2. Supported Commands
Table 6.1 lists the commands supported by the KX1400. Commands can be issued from either the host
command is in the process of execution. Audio commands are executed only after the completion of any
pending command (control or other audio command). Refer to Section 8 for detailed information on the
Reset
Stop
Set Duration
Play Tone
Mute
Un-mute
Play Phrase
Set Volume
Set Outputs
Play ADPCM
Set Clock
Play PCM
COMMAND
-
OPCODE
XX11
0000
0001
0010
0100
0101
0110
1000
1001
1010
1100
1101
1110
LENGTH
16 Bits
16 Bits
16 Bits
16 Bits
16 Bits
Table 6.1. KX1400 Command Summary
8 Bits
8 Bits
8 Bits
8 Bits
8 Bits
8 Bits
8 Bits
8 Bits
Control
Control
Control
Control
Control
Control
Control
Control
Control
TYPE
Audio
Audio
Audio
Audio
Cancels any pending operation and returns the
device to its default configuration.
Halts the processing of any active audio command
or phrase.
Specifies the length of time the tone generator plays
tones in response to Play Tone commands.
Instructs the tone generator to synthesize a tone at
the specified frequency.
Disables the speaker driver.
Enables the speaker driver.
Retrieves and processes a phrase from external
memory.
Sets the volume level of the output.
Sets the state of the two general purpose output
pins.
Sends 4-bit IMA ADPCM data to the audio
processor.
Enables/Disables the clock output (CLKOUT) and
selects frequency.
Reserved.
Sends 12-bit PCM data to the audio processor.
KX1400 Audio Playback IC
DESCRIPTION
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