TEA7092 ST Microelectronics, Inc., TEA7092 Datasheet - Page 15

• Manufacturer Part Number: TEA7092
• Description: Telephone Analog Front End
• Manufacturer: ST Microelectronics, Inc.

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