¡ Semiconductor
MSM7586-01/03
39/42
(6) CRC5 (Control of Switches, etc.)
B7, B6: .......SW1, SW2 control
0: Open
1: Closed
B5: ..............SW3 control
0: Open
1: Closed
B4: ..............SW4/5 control
0: SW4 open, SW5 closed
1: SW4 closed, SW5 open
B2, B1, B0: .TOUT3 to 1 control
0: TOUT3 to 1 disable
1: TOUT3 to 1 enable
(7) CRC6 (VOX Function Control)
B7: ..............VOX function ON/OFF
0: OFF
1: ON
B6, B5: .......Transmit side voice/silence detector level settings (For the signal of 1kHz)
MSM7586-01
(0,0): –30 dBm0
(0,1): –35 dBm0
(1,0): –40 dBm0
(1,1): –45 dBm0
MSM7586-03
(0,0): –20 dBm0
(0,1): –26 dBm0
(1,0): –32 dBm0
(1,1): –38 dBm0
B4: .............. Hangover time (refer to Fig. 7) settings
0: 160 ms
1: 320 ms
B3: ..............Receive side VOX input signal
0: Internal background noise transmit
1: Voice receive signal transmit
When using this data, set the VOXI pin to "0."
B2: ..............Receive side background noise level setting
0: Internal automatic setting
1: External (by B1, B0) setting
Internal automatic setting
Æ
Sets to the voice signal level when B3 (VOXI)
changes from "1" to "0."
B1, B0: .......External setting background noise level
(0,0): No noise
(0,1): –55 dBm0
(1,0): –45 dBm0
(1,1): –35 dBm0
B0
B1
B2
B3
B4
B5
B6
B7
0
0
TOUT3
CONT
0
0
0
0
0
SW1
CONT
0
CRC5
Initial Value
—
SW2
CONT
SW3
CONT
SW4/5
CONT
TOUT2
CONT
TOUT1
CONT
B0
B1
B2
B3
B4
B5
B6
B7
0
0
RX NOISE
LEVEL SEL
0
0
0
0
0
VOX
ON/OFF
0
CRC6
Initial Value
VOX
IN
ON
LVL1
ON
LVL0
OFF
TIME
RX NOISE
LVL1
RX NOISE
LVL0