15
KX-TGE240/242/243/244/245/260/262/263/264/270/272/273/274/275/TG454/TG465/TGEA20/TGA20
4.6.6.
Power Supply Circuit/Reset Circuit
The power supply voltage from AC adaptor is converted to VBAT (3.0V) in IC302. And +3.0V for peripherals and analog part is
insulated from VBAT by Doubler of BBIC.
Circuit Operation:
+5.5V
+5.5V
+3.0V
+3.0V
+1.8V
+3.0V_CP
IC501
IC302
IC611
BBIC
AC Adaptor
3.0V
REGULATOR
EEPROM
VDD3
VDD1
VDD4
+3.0V_CP2
IC601
TAM FLASH
VDD5
RF Part
LEDs
Q301
Bluetooth
unit
IC721
QSPI FLASH
IC502
+1.8V
IC722
for KX-TGE26x/27x only
Startmonitor
(IC501 57pin)
VDD1 (1.8 V)
VBAT
Reset (RSTN)
(IC501_77pin)
BBIC chip initialize
(CKM/STM)
Содержание KX-TG454SK
Страница 70: ...70 KX TGE240 242 243 244 245 260 262 263 264 270 272 273 274 275 TG454 TG465 TGEA20 TGA20 Memo ...
Страница 84: ...84 KX TGE240 242 243 244 245 260 262 263 264 270 272 273 274 275 TG454 TG465 TGEA20 TGA20 Memo ...
Страница 88: ...88 KX TGE240 242 243 244 245 260 262 263 264 270 272 273 274 275 TG454 TG465 TGEA20 TGA20 Memo ...
Страница 90: ...90 KX TGE240 242 243 244 245 260 262 263 264 270 272 273 274 275 TG454 TG465 TGEA20 TGA20 Memo ...