DVSR CODEC
3
MX802
1 Block Diagram
SERIAL
CLOCK
COMMAND
DATA
REPLY
DATA
CS
IRQ
XTAL/ XTAL
CLOCK
AUDIO
IN
AUDIO
OUT
C-BUS INTERFACE AND CONTROL LOGIC
CLOCK
GENERATOR
PLAY
COMMAND
BUFFER
STORE
COMMAND
BUFFER
CONTROL
REGISTER
STATUS
REGISTER
DATA
READ
COUNTER
DATA
WRITE
COUNTER
SPEECH
PLAY
COUNTERS
SPEECH
STORE
COUNTERS
ENCODE
CLOCK
POWER
ASSESS
ENCODER DECODER
CLOCK
CLOCK
MOD
DECODE
CLOCK
DEMOD
IDLE
PATTERN
DRAM CONTROL AND TIMING
DIRECT ACCESS CLOCKS AND DATA
WE CAS RAS1 RAS2 RAS3 RAS4
A9
A8
A7
A6
A5
DRAM Data In/
A0/ENO
A4 A3/ECK A2/DCK
(ENCODER
OUT)
DRAM Data Out/
A1/DEI
(DECODER
IN)
V
DD
V
BIAS
V
SS
DRAM ADDRESS LINES
Figure 1: Block Diagram
1998
MX-COM, Inc.
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480033.008
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
All trademarks and service marks are held by their respective companies.
CMLMICRO [ CML MICROCIRCUITS ]
