CMX7163 QAM Modem
CMX7163
2
Block Diagrams
Transmit Functions
IOUTPUTP
IOUTPUTN
Tx
Data
Buffer
Channel Coder
Data Modulator
QOUTPUTP
QOUTPUTN
Receive Functions
Channel
Filter
IINPUTP
IINPUTN
Rx
Data
Buffer
Data
Demodulator
Channel Decoder
Channel
Filter
QINPUTP
QINPUTN
Auxiliary Functions
I
Thresholds
ADC 1
ADC 2
ADC 3
ADC 4
Q
Averaging
Thresholds
Averaging
IRQN
Command FIFO
MUX
RDATA
Thresholds
Averaging
CSN
AUXADC1
AUXADC2
AUXADC3
AUXADC4
Rx Data FIFO
Registers
CDATA
SCLK
Thresholds
Averaging
Auxiliary Multiplexed ADCs
C-BUS Interface
GPIOA
GPIOB
GPIOC
GPIO with O/P
Sequencer
System Clock Div
1
SYSCLK1
SYSCLK2
System Clock Div 2
GPIOD
FI Configured I/O
System
Clock PLL
XTAL/
CLOCK
Crystal
Oscillator
DAC 1
DAC 2
DAC 3
DAC 4
Ramp-profile RAM
AUXDAC1
AUXDAC2
AUXDAC3
AUXDAC4
Main
Clock PLL
XTALN
System Clocks
Power
control
Auxiliary DACs
MOSI
CLK
AGC
Controller
MISO
SPI Thru
Port
Flash Boot
SSOUT0
SSOUT1
Host Thru
Commands
Device
Reset
Boot
Control
SSOUT2
Bias
Reg.
C-BUS/SPI Thru Control
Figure 1 Overall Block Diagram
2014 CML Microsystems Plc
Page 9
D/7163_FI-4.x/12
CMLMICRO [ CML MICROCIRCUITS ]
