CT8022 Datasheet, PDF (71/194 Pages) List of Unclassifed Manufacturers – VOIP/VON G.723.1, G279AB TRUESPEECH CO-PROCESSOR

Version: 1.18
PRELIMINARY/CONFIDENTIAL
TrueSpeech® Co-Processor
Command (C2 = 2000H):
0010
0000
0000
0000
(15-12)
(11-8)
(7-4)
(3-0)
Status (S2):
0001
(15-12)
F3 F2 F1 F0 0
0 DTMF VALID
(11) (10) (9) (8) (7) (6)
(5)
CPF VALID
(4)
DTMF DIGIT
(3-0)
Refer to Section 9.20 for information on CPF F3-0 and DTMF detection.
Command (C3= 20XXH):
0010
(15-12)
0000
(11-8)
REQUEST NUMBER OF WORDS TO TRANSFER
(7-0)
Status (S3):
0010
(15-12)
0
0
00
(11)
(10)
(9-8)
ACTUAL NUMBER OF WORDS TO TRANSFER
(7-0)
The NUMBER OF WORDS TO TRANSFER should be set either to the (compressed) frame size of the selected
speech mode, or to zero to indicate no transfer is to take place. The ACTUAL NUMBER OF WORDS TO
TRANSFER will be the compressed frame size if the device is ready to accept data for transfer, or it will be zero to
indicate that the device is not ready for data transfer.
Data Transfer Command:
Data Transfer Status:
16-bit speech data word
(15-0)
16-bit speech data word
(15-0)
CT8022A11AQC FW Revision 0118
DSP GROUP, INC., 3120 SCOTT BOULEVARD
71
SANTA CLARA, CA 95054 PH: 408 986 – 4300 FAX: 408 986 – 4490
All specifications are subject to change without prior notice.