Panasonic KX-TGCA20EX - Block Diagram (Handset)

16
KX-TGC210/KX-TGC212/KX-TGC213/KX-TGC220/KX-TGC222/KX-TGCA20
4.5. Block Diagram (Handset)
QSPI FLASH MEMORY
IC4
Reset
Reset Pin 71
SPEAKER
RECEIVER
MIC
CHARGE CIRCUIT Q2, Q3, Q4, Q9, R8
CHARGE CONTACTS
CHARGE(+)
CHARGE_CTRL
CHARGE_DET
EEPROM
SCL
SDA
BATTERY TERMINAL
R45
VBAT
BATT-
1.8 V
Q1
1.8 V
LCD
CD
RESET
CS SID
SCL
CPU
Analog
Front
End
D/A A/D
35 37
21 22
17 18
34 33 66 67
32
24
44 45
73 63 64 77 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
XTAL
X1
10.368 MHz
BATTERY
46
ON SWITCH
KEYPAD
Charge
Pump
ROWS
COLUMNS
CP3V
CP4V
57, 58, 59, 60
11, 12, 13, 14, 25, 55
47, 48, 51, 53 QSPI-IO 0-3
BBIC
IC1
IC7
65
LCD-BACK LIGHT
KEY LED
61
LDO_CTRL
1.8 V
CP3V
QSPI
Control
52 QSPI-SCK
49 QSPI-CS
CP 3V
LCD_LED0
CP4V
CP3V
1.8 V
GND