Version: 1.18
PRELIMINARY/CONFIDENTIAL
TrueSpeech® Co-Processor
Command (C2 = 2000H):
0010
0000
0000
(7-4)
0000
(3-0)
(15-12)
(11-8)
Status (S2):
0001
F3
F2
F1
F0
0
0
DTMF VALID
(5)
CPF VALID
(4)
DTMF DIGIT
(3-0)
(15-12)
(11)
(10)
(9)
(8)
(7)
(6)
Refer to Section 9.20 for information on CPF F3-0 and DTMF detection.
Command (C3= 20XXH):
0010
0000
REQUEST NUMBER OF WORDS TO TRANSFER
(7-0)
(15-12)
(11-8)
Status (S3):
0010
0
0
00
ACTUAL NUMBER OF WORDS TO TRANSFER
(15-12)
(11)
(10)
(9-8)
(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:
16-bit speech data word
(15-0)
Data Transfer Status:
16-bit speech data word
(15-0)
CT8022A11AQC FW Revision 0118 DSP GROUP, INC., 3120 SCOTT BOULEVARD
SANTA CLARA, CA 95054 PH: 408 986 – 4300 FAX: 408 986 – 4490
71
All specifications are subject to change without prior notice.
ETC [ ETC ]
