msm7718-01 Oki Semiconductor, msm7718-01 Datasheet - Page 36
![no-image](/images/no-image-200.jpg)
msm7718-01
Manufacturer Part Number
msm7718-01
Description
Echo Canceler With Adpcm Codec
Manufacturer
Oki Semiconductor
Datasheet
1.MSM7718-01.pdf
(38 pages)
- Current page: 36 of 38
- Download datasheet (232Kb)
¡ Semiconductor
Direct Access to Default Store Memory (See Figs.8-1, 8-2)
Figure 8-2 Memory Map for Default Value Store Memory Direct Access
The contents of the default store memory can be
Refer to the following procedure:
changed (e.g., to change tone detection levels
and tone generation frequencies) in the initial
mode (CR0-B3 to CR0-B0="0000").
1.Set the default value store memory address
2.When writing data to the upper byte, set the
(CR11, CR12).
Set the write data into CR16 and CR17.
DMWR (change default) command (CR10-B3
to CR10-B0="1101").
Data (CR16, CR17)
Default Value Store Memory
Figure 8-1 Flow Chart of Default Value Store
Address (CR11, CR12)
Memory Direct Access
Yes
Default Value Store Memory
write in upper byte
Set command to
Set write data.
Direct Access
Set address.
Continue to
(DMWR)
write?
END
No
(1) CR12, CR11
(2) CR10
MSM7718-01
CR16, CR17
36/38
Related parts for msm7718-01
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![MSM82C51A-2RS](/images/no-image3.png)
Part Number:
Description:
Universal syncnronous asyncnronous receiver tranmitter
Manufacturer:
Oki Semiconductor
Datasheet:
![MSM6997VRS](/images/no-image3.png)
Part Number:
Description:
Single chip CODEC
Manufacturer:
Oki Semiconductor
Datasheet:
![MSM6998RS](/images/no-image3.png)
Part Number:
Description:
Single chip CODEC
Manufacturer:
Oki Semiconductor
Datasheet:
![MSM6234RS](/images/no-image3.png)
Part Number:
Description:
Communications, DTMF Tone Dialer LSI
Manufacturer:
Oki Semiconductor
![MSM514221B-30RS](/images/no-image3.png)
Part Number:
Description:
262,263-word x 4-bit field memory
Manufacturer:
Oki Semiconductor
Datasheet:
![MSM6997HRS](/images/no-image3.png)
Part Number:
Description:
Single chip CODEC
Manufacturer:
Oki Semiconductor
Datasheet:
![MSM7508BRS](/images/no-image3.png)
Part Number:
Description:
Single rail CODEC
Manufacturer:
Oki Semiconductor
Datasheet:
![MSM6999RS](/images/no-image3.png)
Part Number:
Description:
Single chip CODEC
Manufacturer:
Oki Semiconductor
Datasheet:
![MSM7578HRS](/images/no-image3.png)
Part Number:
Description:
Signal rail CODEC
Manufacturer:
Oki Semiconductor
Datasheet:
![MSM6996HRS](/images/no-image3.png)
Part Number:
Description:
Single chip CODEC
Manufacturer:
Oki Semiconductor
Datasheet:
![MSM7543RS](/images/no-image3.png)
Part Number:
Description:
Single rail CODEC
Manufacturer:
Oki Semiconductor
Datasheet:
![MSM82C84A-2RS](/images/no-image3.png)
Part Number:
Description:
Clock generator and driver
Manufacturer:
Oki Semiconductor
Datasheet:
![MSM6242B](/images/no-image3.png)
Part Number:
Description:
Direct bus connectede CMOS real time clock/calendar
Manufacturer:
Oki Semiconductor
Datasheet: