Digitally Controlled Analog I/O Processor
3
MX839 PRELIMINARY INFORMATION
1 Block Diagram
MUTE1
0 to 12dB x 0.4dB Steps
MOD1OUT
MOD1 IN
MUTE2
0 to 16dB x 0.2dB Steps
MOD2 IN
MOD2OUT
HIGH COMPARATOR
A/D REG1
LOW COMPARATOR
DACOUT1
DACOUT2
DACOUT3
DAC1
8/10 bit
A/DIN1
A/DIN2
HIGH COMPARATOR
A/D REG2
LOW COMPARATOR
DAC2
8/10 bit
A/D
10
bit
4:1
MUX
1:4
MUX
A/DIN3
A/DIN4
HIGH COMPARATOR
A/D REG3
LOW COMPARATOR
DAC3
8/10 bit
HIGH COMPARATOR
A/D REG4
LOW COMPARATOR
ADC COMP IRQ
AVDD
REPLY DATA
COMMAND DATA
CS
AVDD
4-wire
SERIAL INTERFACE
AND LOGIC
VSS
CONTROL
SERIAL CLOCK
VBIAS
XTAL/CLOCK
XTAL
CLOCK
OSCILLATOR
AND DIVIDERS
DVDD
DVDD
Figure 1: Block Diagram
© 1998 MXxCOM Inc.
www.mxcom.com Tele: 800 638-5577 336 744-5050 Fax: 336 744-5054
Doc. # 20480164.002
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
All trademarks and service marks are held by their respective companies.
CMLMICRO [ CML MICROCIRCUITS ]
