Si3210/Si3211/Si3212
Register 24. DTMF Decode Status
Si3210/Si3211
Bit
D7
D6
D5
D4
VAL
R
D3
D2
D1
D0
Name
Type
DIG[3:0]
R
Reset settings = 0000_0000
Si3212
D4
Bit
D7
D6
D5
D3
D2
D1
D0
Name
Type
Reset settings = 0000_0000
Bit
7:5
4
Name
Reserved
VAL
Function
Read returns zero.
DTMF Valid Digit Decoded.
0 = Not currently detecting digit.
1 = Currently detecting digit.
Si3212 = Reserved; read returns 0.
3:0
DIG[3:0]
DTMF Digit (Si3210 and Si3211 only).
0001 = “1”
0010 = “2”
0011 = “3”
0100 = “4”
0101 = “5”
0110 = “6”
0111 = “7”
1000 = “8”
1001 = “9”
1010 = “0”
1011 = “*”
1100 = “#”
1101 = “A”
1110 = “B”
1111 = “C”
0000 = “D”
Si3212 = Reserved; read returns 0.
Preliminary Rev. 1.11
71
ETC [ ETC ]
