mc34216adwf Freescale Semiconductor, Inc, mc34216adwf Datasheet - Page 16

• Manufacturer Part Number: mc34216adwf
• Description: Programmable Telephone Line Interface Circuit With Loudspeaker Amplifier
• Manufacturer: Freescale Semiconductor, Inc

DCM1
16
MFC1
0
0
1
1
0
0
1
1
MFC0
DCM0
0
1
0
1
0
1
0
1
Switch DTMF Generation “Off”
Select DTMF–Pair and Generate
Select Pilot/Idle/Ring Tone Frequency
Select DTMF/Idle Tone Level (Level I LAI )
Startup Mask for France
U.K. Mask
Low Voltage Mask
French Mask
A1, A0 = 00
A1, A0 = 01
A1, A0 = 10
A1, A0 = 11
Address
Function
Function
Data
D0
D1
D2
D3
D4
D5
D0
D1
D2
D3
D4
D5
D0
D1
D2
D3
D4
D5
D0
D1
D2
D3
D4
D5
Figure 15. Register Description
Symbol
DCM0
DCM1
MFC0
MFC1
MicM
MicP
MF0
MF1
MF2
MF3
R/S
HPI
M th
EM
GR
EA
G0
G1
G2
RT
LD
PT
Sp
IT
MC34216A
Microphone Mute
Earphone Mute
Loop Disconnect
Pilot Tone
Idle Tone
Microphone Power
Tone Control
Tone Control
Tone Select
Tone Select
Tone Select
Tone Select
Ring/Speech Mode
Earphone Gain 6.0 dB
Loudspeaker Gain
Loudspeaker Gain
Loudspeaker Gain
Ring Tone
DC Mask Control
DC Mask Control
Speakerphone Mode
Line Length Regulation
Anti–Howling
Microphone Threshold
Function
G2
0
0
0
0
1
1
1
1
G1
0
0
1
1
0
0
1
1
MOTOROLA ANALOG IC DEVICE DATA
0 = Muted
0 = Muted
0 = Loop Closed
0 = Tone “Off”
0 = Tone “Off”
0 = Power “Off”
0, See Tables Below
0, See Tables Below
0, See Tables Below
0, See Tables Below
0, See Tables Below
0, See Tables Below
0 = Speech Mode
0 = Nominal Gain
0, See Tables Below
0, See Tables Below
0, See Tables Below
0 = Tone “Off”
0, See Tables Below
1, See Tables Below
0 = “Off”
0 = “On”
0 = “On”
0 = “On”
G0
State at Reset
0
1
0
1
0
1
0
1
Loudspeaker Amplifier Muted
Gain Reduction 27.0 dB
Gain Reduction 22.5 dB
Gain Reduction 18.0 dB
Gain Reduction 13.5 dB
Gain Reduction 9.0 dB
Gain Reduction 4.5 dB
No Attenuation, Nominal Gain
Function