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TL7231MD Datasheet, PDF (10/37 Pages) Samsung semiconductor – FULL LAYER-III ISO/IEC 11172-3 AUDIO DECODER
TL7231MD
ADDRESS
0h
1h
2h ~ 3h
4h
10h
11h
12h
13h
14h
15h
16h ~ 1Fh
REGISTERS
HDI0
HDI1
HDI2/HDI3
HSR4
HDO0
HDO1
HDO2
HDO3
HDO4
HDO5
HDO6 ~ HDO15
DESCRIPTION
Command
Serial ID Number
Parameters if needed
Status Register (Fig. 4)
Command Serial ID Number (Fig. 5)
Decoder State (Fig. 6)
IO Status (Fig.7)
IO Status (Fig. 8)
Volume (Fig. 9)
Serial Interface Mode (Fig. 10)
The information provided by these registers depends on
the mode setting of TL7231MD. (Refer to Table 5)
The information provided by HDO6 to HDO15 depends on the mode setting of TL7231MD.
Refer to Table 5. The mode can be set by using HIP command 19h(Report Format). For this
command, refer to Table 6.
Table 5. The contents of HDO6 ~ HDO15 according to mode setting
ADDRESS
REGISTERS
DESCRIPTION
16h
HDO6
Mode0: 00h
Mode1: Tone Control Status. When tone control is
enabled, 1 is reported. Otherwise, 0 is reported.
Mode2: MP3 Frame Count (Fig. 11)
Mode3: Voice Data Code Count (Fig. 11)
Mode4: Equalizer Control Status. When equalizer control
is enabled, 1 is reported. Otherwise, 0 is
reported.
17h
HDO7
Mode0: 00h
Mode1: Tone Control - Prescaling Information
Mode2: MP3 Frame Count (Fig. 11)
Mode3: Voice Data Code Count (Fig. 11)
Mode4: EQ Control – Prescaling Information
18h
HDO8
Mode0: 00h
Mode1: Tone Control – Bass Cutoff Frequency
Mode2: MP3 Frame Count (Fig. 11)
Mode3: Voice Data Code Count (Fig. 11)
Mode4: EQ Control – Band1 Gain
19h
HDO9
Mode0: 00h
Mode1: Tone Control – Bass Gain
Mode2: MP3 Frame Count (Fig. 11)
Mode3: Voice Data Code Count (Fig. 11)
Mode4: EQ Control –Band2 Gain
1Ah
HDO10
Mode0: 00h
10/37
SAMSUNG Electronics Co.