10
KX-PRW130W/KX-PRWA13W
4.2.
Block Diagram (Base Unit)
Analog
Front
End
To TEL_LINE
Bridge
Rect D101
Hook Switch
Q141, Q142, Q161
Audio
Bell/Caller ID
Interface
CPU
MICn
LSRp
RINGn
CIDINp
CIDINn
CIDOUT
RINGOUT
BELL
HOOK
CHARGE_DET
Off-Hook Line Voltage
P
ARADET
A/D
D/A
ADPCM
Codec Filter
DSP
Speech Encoding
Speech Decoding
BMC
Burst Encoding
Burst Decoding
RF
PLL
XT
AL2
XT
AL1
EEPROM
SCL
SDA
To AC Adaptor
To HANDSET
Limit
Resistor
R371, R372,
D362
Charge
Detector
)
CHARGE(-)
IC302 3.3V IC
3
0
2
3
.3
V
REGULA
T
O
R
R
E
G
U
L
A
T
O
R
Q502Q
5
0
2
Q501Q
5
0
1
2.4V
Reg.
1.8V
Reg.
3.3 V
2.4 V
1.8 V
BBIC
IC502
IC501
KX-PR
W
110/PR
W
120 BLOCK DIA
G
RAM (BASE UNIT)
MOD/DEMOD
DCDC
Converter
Reset
XTAL
X1X
1
MHz
RX
n
RX
p
TX
p
TX
n
DA
8
0
2
ANT1
ANT2
ANT1
ANT
2
ANT1
ANT2
L1
L2
DCP
DCM
FLASH MEMORY
IC601
QSPI
FLASH MEMOR
Y
IC503
RSTN
Pin B8
SPN
SPP
TAM-CSn
SPI-DI
SPI-DO
SPICLK
QSPI-CS
QSPI-SCK
QSPI-IO 0-3
Q701, Q702
QSPI
Control
SPI
Control
Interr
u
pt
Control
PCM
Control
Wi-Fi module
IC800
SPI_EN
SPI_DO
SPI_DI
SPI_CLK
BB_TX
BB_RX
BB_TX_RES
BB_RX_RES
PCM_FSC
PCM_DO
PCM_DI
PCM_CLK
PORST_N
10.368
3.3 V
L501