msm7586-01 Oki Semiconductor, msm7586-01 Datasheet - Page 34

• Manufacturer Part Number: msm7586-01
• Description: Shift Qpsk Modem/adpcm Codec
• Manufacturer: Oki Semiconductor

¡ Semiconductor
(CODEC Unit)
(1) CRC0 (Basic Operation Mode Settings)
(2) CRC1 (ADPCM Unit Operation Mode Settings)
CRC1
Initial Value
CRC0
Initial Value
B7: ........................... PCM interface companding selection
B6, B4, B3, B2, B1: . Not used (These pins are used to test the device. They should be set
B5: ........................... Power down (entire unit)
B0: ........................... The sounder output amp (SAO, GSX3) and receiver system output
B7, B6: .......ADPCM unit compression algorithm selection
B5: .............. Transmit side ADPCM reset (according to the G.726
B4: .............. Receive side ADPCM reset (according to the G.726
B3: .............. Transmit side ADPCM data mute: 1: Mute
B2: .............. Receive side ADPCM data mute:
B1: .............. Not used
B0: .............. Receive side PAD 0: No PAD
MODE1
B7
SEL
A/m
B7
0
(0,0): 32 kbps
(1,0): 24 kbps
specifications): 1: Reset
The ADPCM reset input width should be 125 ms or more.
specifications): 1: Reset
The ADPCM reset input width should be 125 ms or more.
1: A PAD with a 12 dB loss is inserted in the receive side voice path
0
MODE0
to "0" during normal operation.)
ORed with the inverse of the external power down signal. When
using this data, set PDN3 to "1."
amp (VFRO, AOUT+, AOUT-) power down control
0: The output amp of the side not selected by CRC4 - B5 is powered
down.
1: The sounder system output amp and receiver system output
amp are both powered ON.
B6
B6
—
0
0
TX RESET
PDN
B5
ALL
B5
0
0
(0,1): 64 kbps (G.711 through)
(1,1): 16 kbps
RX RESET
B4
B4
—
0
0
TX MUTE
0: Power ON
1: Mute
B3
B3
—
0
0
RX MUTE
B2
B2
—
0
0: m-law
0
1: Power down
MSM7586-01/03
B1
—
B1
—
0
0
1: A-law
SAO/AOUT
RX PAD
PDN
B0
34/42
B0
0
0