TEA7092TQ 查看數據表（PDF） - STMicroelectronics
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TEA7092TQ Datasheet PDF : 24 Pages
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TEA7092
MICROCONTROLLER INTERFACE (continued)
Note : In the tables in the following pages, the default codes are in Bold.
The Mode Codes
Codes
a6
a5
a4
a3
a2
a1
a0
Remarks
0
1
1
0
0
0
0 Handset Mode
0
1
1
0
0
0
1 Group Listening Mode
0
1
1
0
0
1
0 Handsfree Mode
The Operating Codes Related to Mode Codes
Codes
a6
a5
a4
a3
a2
a1
a0
0
0
1
0
0
0
0
0
0
1
0
0
0
1
0
0
1
0
0
1
0
0
0
1
0
0
1
1
0
0
1
1
1
0
0
0
0
1
1
1
0
1
0
0
1
1
1
1
0
Remarks
Speech
Dialing
Mute Tx & Rx
Mute Tx
Error Beep
Sine Wave High Frequencies
Sine Wave Low Frequencies
The Configuration Codes (toggle codes)
Codes
a6
a5
a4
a3
a2
a1
0
0
1
0
1
0
0
0
1
0
1
0
0
0
1
0
1
1
0
0
1
1
0
0
0
0
1
1
0
0
0
0
1
1
0
1
0
0
1
1
0
1
Remarks
a0
0 AGC / no AGC
1 No Mask / Mask
0 Normal Receive Gain / +6dB
0 Two Sidetones / Fixed Up (3/4 x ZALL +1/4 x ZASL)
1 Squelch / No Squelch
0 No Transfer / Transfer Request
1 Two Sidetones / One Sidetone (ZASL)
The Other Codes
Codes
a6
a5
a4
a3
a2
a1
a0
Remarks
0
0
1
0
0
0
1 Ring Start
0
0
1
0
1
1
1 Reset Control
0
1
0
1
0
0
0 Initialization Code
0
1
1
1
0
0
0 Line Threshold Current 12mA
0
1
1
1
0
0
1 Line Threshold Current 4mA
0
1
1
1
1
0
0 Dgls(1) 10dB
0
1
1
1
1
0
1 Dgls(2) 15dB
0
1
1
1
1
1
0 Dgls(3) 20dB
0
1
1
1
1
1
1 Dgls(4) 25dB
0
1
1
0
1
1
0 Transmit Gain -6dB
0
1
1
1
0
1
1 -21dB Attenuation in Ring Mode
0
1
1
1
0
1
0 Oscillator Stand-by
0
1
1
0
0
1
1 Ring Melody Control
15/24
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