AK2307LV Ver la hoja de datos (PDF) - Asahi Kasei Microdevices
Número de pieza
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AK2307LV Datasheet PDF : 39 Pages
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ASAHI KASEI
SERIAL ACCESS
Serial access can be done by CSN staying “L” during the serise of read cycle
CSN
[AK2307/LV]
SCLK
123456789
16
DATA Z 1 1 0 0 0 0 0 Z D7
D0
Z
Read
Instruction
Address
”0000”
Read data
READ
EXCUTED!
1234
1110
Read
Instruction
89
15 16
Z
READ
EXCUTED!
DISCORD OF INSTRUCTION CODE
CSN
SCLK
123456789
16
DATA Z I2 I1 I0 IA3 A2 A1 A0
Z
IInstructions except specified
0bb
10b
(b=0 or 1)
Address
WRITE/READ
NOT EXCUTED!
Z
DATA pin: Input mode
(Hi-Z)
Register Map
Register Type : Read/ Write
Add
D7
D6
D5
D4
D3
D2
D1
D0
(Hex)
Register Name
(Functions)
0 SW8
SW7
SW6 SW5
SW4
SW3 SW2 SW1
Path Control 1
1 RX_ RX Pad
A_gain -9dB
Side PCM_1 PCM_0 u/A-law SW10 SW9
Tone
Path Control 2 &
PCM Control
20
TX Attenuator
VOL1
TX Digital Volume Control
3
RX Volume
Side Tone Attenuator
RX Digital Volume Control
40
0
0
0
VOL4
Tone Volume Control
50
0
Tone Freq. Select
Tone Generator 1
60
L-ATT
Tone Freq. Select
Tone Generator 2
70
0
0
VOL2
RX Handset Volume Control
80
0
0
VOL3
RX Headset Volume Control
9
-
-
-
-
VOL5
RX Speaker Volume Control
A
-
AGC_ON
Falling time
Rising time
Threshold level
AGC Control
B–F
-
-
-
-
-
-
-
-
Reserved for test use
Address “1” ; PCM_1/2 ---- Selection of the PCM interface Mode(Long/Short frame, AK130-1,AK130-2, 16bit linear)
Address ”6” ; L-ATT ---- -6dB attenuation for Tone generator-L output in case of DTMF tone generation.
Bits in which “0” is filled are for test mode activation. Please fill the data “0” for the normal operation.
Bits in which “-“ is filled are for test use and can not write the data from CPU interface. In case the read
operation, data “0” are read from CPU interface.
MS0190-E-05
9
2005/12
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