DVSR CODEC
3
MX802
1 Block Diagram
SERIAL
CLOCK
COMMAND
DATA
REPLY
DATA
XTAL/
CLOCK
AUDIO
OUT
AUDIO
IN
XTAL
CS
IRQ
CLOCK
GENERATOR
C-BUS INTERFACE AND CONTROL LOGIC
STATUS
REGISTER
CONTROL
REGISTER
PLAY
COMMAND
BUFFER
STORE
COMMAND
BUFFER
ENCODE
CLOCK
DECODE
CLOCK
DATA
READ
COUNTER
DATA
WRITE
COUNTER
SPEECH
PLAY
COUNTERS
SPEECH
STORE
COUNTERS
MOD
DEMOD
POWER
ASSESS
IDLE
PATTERN
DECODER
CLOCK
ENCODER
CLOCK
DRAM CONTROL AND TIMING
DIRECT ACCESS CLOCKS AND DATA
DRAM Data Out/
DRAM Data In/
A0/ENO
(ENCODER
OUT)
WE
RAS1 RAS2
RAS4
CAS
RAS3
VDD
VBIAS VSS
A1/DEI
(DECODER
IN)
A9 A8 A7 A6 A5 A4 A3/ECK A2/DCK
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 ]
