MSM7732-01 OKI [OKI electronic componets], MSM7732-01 Datasheet - Page 9

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MSM7732-01

Manufacturer Part Number
MSM7732-01
Description
Audio CODEC
Manufacturer
OKI [OKI electronic componets]
Datasheet

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Part Number:
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DEN, EXCK, DIO
Serial control ports for MCU interface.
Reading and writing data is performed by an external MCU through these pins. Eight registers with eight bits are
provided on the devices.
DEN is the "Enable" control signal input, EXCK is the data shift clock input, and DIO is the address and data input
or output. Figure 3 shows the input or output timing diagram.
Table 1 shows the register map.
OKI Semiconductor
Name
CR0
CR1
CR2
CR3
CR4
CR5
CR6
CR7
A2
0
0
0
0
1
1
1
1
Address
A1
0
0
1
1
0
0
1
1
DIO
DEN
DEN
EXCK
EXCK
DIO
A0
0
1
0
1
0
1
0
1
Figure 3 MCU Interface Input/Output Timing
Side Tone
VOX OUT
R/W : Read/Write enable
OTHERS
A/µ SEL
ON/OFF
ON/OFF
GAIN2
DTMF/
VOX
SEL
TX
B7
R
W
TX NOISE
TX GAIN2 TX GAIN1 TX GAIN0
Side Tone
ON LVL1 ON LVL0
GAIN1
AOUT
TONE
SEND
LVL1
PON
B6
A2
A2
(b) Read Data Timing Diagram
input
(a) Write Data Timing Diagram
A1
A1
TX NOISE
Side Tone
PDN ALL PDN TX
GAIN0
VFRO
SAO/
LVL0
A0
Table 1
B5
A0
B7
B7
Control and Detect Data
ON/OFF
TONE4
R : Read only register
B6
TONE
B6
B4
B5
B5
B4
PDN RX
ON/OFF
SHORT
FRAME
TONE3
B4
GAIN3
output
TONE
RX
B3
B3
B3
RX GAIN2 RX GAIN1 RX GAIN0
B2
B2
SW D/E
TONE2
GAIN2
TONE
SLP
B2
B1
B1
B0
B0
SLP SEL
SW C/A
TONE1
GAIN1
TONE
B1
RX PAD
TONE0
FEDL7732-01-10
GAIN0
TONE
LNR
B0
MSM7732-01
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
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