DVSR CODEC
13
MX802
Setting
Function
Byte 1
MSB
First Byte for Transmission
Not used – Set to ‘0’
Bit 7
Bit 6
Direct Access
1
Encoder Data out to A0/ENO
Encoder Clock to A3/ECK
Decoder Input from A1/DEI
Decoder Clock from A2/DCK
Normal DVSR Operation
0
Bit 5
Play Counter
1
0
Decrement
Increment
Bit 4
DRAM Control
1
0
Disable DRAM
Enable DRAM
Bit 3
Codec Powersave
1
0
Powersave MX802
MX802 Enable
Bit 2
Store Command Interrupt
1
0
Enable Interrupt
Disable
Bit 1
Play Command Interrupt
1
0
Enable Interrupt
Disable
Bit 0
Power Reading Interrupt
1
0
Enable Interrupt
Disable
Setting
Byte 0
Function
Last Byte for Transmission
Store/Play Speech Sync.
MSB
Bit 7
Bit 6
0
0
1
1
0
1
0
1
No Sync
No Sync
Sync – Play after Store
Sync – Store after Play
Bit 5
Bit 4
Bit 3 Decoder Control
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Idle (32kbps); Aud O/P from LPF
Idle (32kbps); Aud bypass
Idle (32kbps); Aud O/P at high Z
On-Sampling Rate 16kbps
On-Sampling Rate 25kbps
On-Sampling Rate 32kbps
On-Sampling Rate 50kbps
On-Sampling Rate 64kbps
Bit 2
Bit 1
Bit 0 Encoder Control
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
I/P at VBIAS; F/Idle (32kbps)
I/P at high Z; F/Idle (32kbps)
I/P at high Z; F/Idle (64kbps)
On-Sampling Rate 16kbps
On-Sampling Rate 25kbps
On-Sampling Rate 32kbps
On-Sampling Rate 50kbps
On-Sampling Rate 64kbps
Table 6: Control Register
ꢀ1998 MX-COM, Inc.
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480033.008
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