HFC-4S Cologne Chip AG, HFC-4S Datasheet - Page 208

• Manufacturer Part Number: HFC-4S
• Description: Isdn HDLC Fifo Controller With 8 (4) Integrated S/t Interfaces
• Manufacturer: Cologne Chip AG

HFC-4S
HFC-8S
208 of 273
R_DTMF1
Number of samples
This register defines the number of samples which are calculated in the recursive part of
the Goertzel filter.
7..0
Bits
0
Value
Reset
Name
V_DTMF1
(write only)
Data Sheet
BERT
Description
Number of samples
V_DTMF1 ·½ PCM values generate 1 pair of
DTMF coefficients (1 PCM value every 125 s).
March 2003 (rev. A)
Cologne
Chip
0x1D