¡ Semiconductor
MSM7586-01/03
2/42
BLOCK DIAGRAM
Phase
detector
Delay
detector
AFC
SL2
SL1
To each block
+1
–1
+1
–1
Root Nyquist LPF
PLL
3.84M
To D/A
S/P
MAPPING
1/10
384k
–
+
–
+
–1
–
+
4
<MODEM Unit>
<CODEC Unit>
TOUT3
PDN0
PDN1
PDN2
IFIN
IFCK
X2
X1
I+
I–
Q+
Q–
SGCR
AIN1–
AIN1+
GSX1
AIN2–
GSX2
AOUT+
AOUT–
PWI
VFRO
RXD
RXC
SLS
RPR
RCW
AFC
TXD
TXW
TXCI
TXCO
RSYNC
IR
PCMRO
PCMSO
BCLK
PCMSI
XSYNC
IS
VOXO
VDAM
AGM
VDDM
DGM
RXSC
MCK
MODEM
MCU
interface
EXCKM
DOUTM
DENM
DINM
R7, R6
R5, R4
To each block
BSTO
SGM
SGCT
IO2
IO1
SW1
SW2
VDAC
SAO
–
+
GSX3
AIN3
–
+
GSX4
AIN4
CODEC
MCU
interface
To each
block
VOXI
TOUT2
TOUT1
RESET
PDN3
AGC
DGC
VDAC
VDDC
IO7
IO6
SW5
IO5
SW4
IO4
IO3
SW3
EXCKC
DENC
DINC
DOUTC
VREF
DPLL
DEC
SL2
SL1
LPF
LPF
DC Adjust
DC Adjust
D/A
D/A
ATT
ATT
CRM1-B7 to B4
CRM1-B3 to B0
Receiver
Transmitter
CRC5-B7
CRC5-B6
R
R
T
CRC5-B5
CRC5-B4
VOICE
DETECT
COMPA
NDER
ADPCM
CODER
P
/
S
S
/
P
P
/
S
S
/
P
P
/
S
S
/
P
DTMF
/Tone
Generator
BPF
RC
Filter
A/D
Convertor
LPF
RC
Filter
D/A
Convertor
Noise
generator
Power detect
+
EXPAN
DER
ATT
ATT
CRC3-B7 to B5
CRC2-B2 to B0
CRC3-B3 to B0
Sign bit
ATT
CRC4-B6
CRC2-B6 to B4
PCMRI
ADPCM
DE-
CODER
CRC4-B5
T
R
T
CRM0-B6
Decision
To each block
+