14
KX-TGE210/KX-TGE212/KX-TGE232/KX-TGE233/KX-TGE234/TGEA20
4.5.5.
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
QSPI FLASH
IC502
Startmonitor
(IC501 57pin)
VDD1 (1.8 V)
VBAT
Reset (RSTN)
(IC501_77pin)
BBIC chip initialize
(CKM/STM)
Содержание KX-TGEA20B
Страница 65: ...65 KX TGE210 KX TGE212 KX TGE232 KX TGE233 KX TGE234 TGEA20 Memo ...
Страница 72: ...72 KX TGE210 KX TGE212 KX TGE232 KX TGE233 KX TGE234 TGEA20 Memo ...
Страница 75: ...75 KX TGE210 KX TGE212 KX TGE232 KX TGE233 KX TGE234 TGEA20 Memo ...
Страница 79: ...79 KX TGE210 KX TGE212 KX TGE232 KX TGE233 KX TGE234 TGEA20 Memo ...