15
KX-TG9581B/KX-TG9582B/KX-TGA950B
4.3.
Block Diagram (Handset)
QSPI
FLASH MEMOR
Y
IC4
SPEAKER
RECEIVER
MIC
CHARGE
CIRCUIT
Q2, Q3, Q4,Q2
,
Q3,
Q4,
Q9, R8Q9, R8
CHARGE
CONT
A
C
TS
)
CHARGE_CTRL
CHARGE_DET
EEPR
OM
SCL
SD
A
BA
TTER
Y
TERMINAL
R45
VBA
T
BA
TT
-
1.8 V
Q1
1.8 V
CP
2.8
V
LCD
CD
RESET
CSB
SD
A
SCL
CPU
Analog
Fr
o
n
t
End
D/A
A/D
35
37
21
22
17
18
34
33
66
67
32
24
73
63
64
76
ADPCM
Codec
Filter
DSP
Speech
Decoding
Speech
Encoding
BMC
Burst
Decoding
ANT1
Burst
Encoding
RF
PLL
MOD/DEMOD
1
2
87
86
RXn
ANT1
RXp
TXp
TXn
7
8
XT
AL
X1
10.368
MHz
BA
TTER
Y
46
OFF
KEYP
AD
RO
W
S
COLUMNS
57, 58, 59, 60
1
1
, 12, 13, 14, 55
47, 48, 51, 53 QSPI-IO 0-3
44
45
Charge
Pump
CP3V
D3
CP2.8V
CP
4V
BBIC
IC1
IC3
65
KEY
LED
61
LDO_CTRL
CP
3.0
V
CP3V
QSPI
Control
K
C
S-I
P
S
Q
2
5
S
C-I
P
S
Q
9
4
KX-TGA950 BLOCK DI
A
G
RAM (Handset)
LCD-BACK LIGHT
77
Reset
Reset
Pin 71
1
2
3
4
5