LG W3000 Service Manual page 38

AD6521
Dual-Mode Voiceband B aseband Code c
ITXP
I TRANSMIT
FILTER
ITXN
DAC
QTXP
Q TRANSMIT
FILTER
QTXN
DAC
10 bit
RAMPDAC
FILTER
RAMP DAC
BAS EBAND TRANSMIT SECTION
IRXP
I RECEIVE
FILTER
IRXN DAC
QRXP
Q RECEIVE
FILTER
QRXN DAC
BAS EBAND RECEIVE SECTION
Baseband Transmit/ Receive section
13 bit
AFCDAC
AFC DAC
10 bit
IDACOUT
I DAC
IDACREF
AUXADC1 AUXILIARY SECTION
AUXADC2
AUXADC3
10 bit
AUXADC4 AUX DAC
VOLTAGE
REFOUT
REFERENCE
REFCAP
Auxiliary section
VOUTNORP
VOUTNORN
FILTER
VOUTAUXP PGA
VOUTAUXN
BUZZER
VOICEBAND SECTION
VINNORP
VINNORN
MIC
VINAUXP
PGA
VINAUXN
Voiceband section
TCK TMS TDO TDI
JTAG Interface
for ICO
INTERP
GMSK MOD
32 x 10 bit
RAMP RAM
CONTROL
REGISTOR
SAMPLE
RATE
FILTER
ADC
CONV
SAMPLE
RATE
FILTER
DAC
CONV
Figure 3-24.
- 37 -
3. TECHNICAL BRIEF
MCLK
MCLKEN
RESET
BSDI
BSIFS
BSAEBAND
TXON
SERIAL
PORT ATSM
RXON
ARSM
BSDO
BSOFS
ASDI
AUXILIARY
ASDO
SERIAL
PORT
ASFS
VSDI
VOICEBAND
VSDO
SERIAL
PORT
VSFS