msm7718-01 Oki Semiconductor, msm7718-01 Datasheet - Page 33

• Manufacturer Part Number: msm7718-01
• Description: Echo Canceler With Adpcm Codec
• Manufacturer: Oki Semiconductor

¡ Semiconductor
(11) CR10 (External memory (flash memory) interface control)
B7 ... Reserved (connection to the recording interface)
B6 ... Reserved (selection of external memory)
B5, 4 ... Reserved (selection of recording/playback ADPCM compression mode)
B3, 2, 1, 0 ... Reserved (memory interface command)
CR10
Initial value
(0, 0, 0, 0) : NOP
(0, 0, 0, 1) : Reserved
(0, 0, 1, 0) : Reserved
(0, 0, 1, 1) : Reserved
(0, 1, 0, 0) : Reserved
(0, 1, 0, 1) : Reserved
(0, 1, 1, 0) : Reserved
(0, 1, 1, 1) : Reserved
(1, 0, 0, 0) : Reserved
(1, 0, 0, 1) : Reserved
(1, 0, 1, 0) : Reserved
(1, 0, 1, 1) : Reserved
(1, 1, 0, 0) : Reserved
(1, 1, 0, 1) : MDWR (Change default)
(1, 1, 1, 0) : Reserved
(1, 1, 1, 1) : Reserved
Writes the data of CR17 (D0 to D7) and CR16 (D8 to D15) in the lower byte of
default storage memory. The address is specified by A0 to A7 of CR11 and A8
to A15 of CR12.
SEND/
REC
B7
0
MEM
SEL
B6
0
ADPCM
MODE1
B5
0
ADPCM
MODE0
B4
0
CMD3
B3
0
CMD2
B2
0
CMD1
B1
0
MSM7718-01
CMD0
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B0
0