资料介绍
原理框图Airfore platform 原理框图
Vbat Vbat Vext Vrtc Vuhf Vcp Vsim Vtic Vrf Vcc A Vcc core Vcc IO
CX77304
Li-Ion
TXGSM TR Switch TXDCS match current buffer PAC HIBAND RF C VC2 VC4 match 1800
V9 900
V8
V7
V6
V5
V4
V3
V2
V1
2.8-4.2V
match
match
BOOST DC/DC Li-ion Charger Power ADC Reset ENBL3
CX20460
CONTROL SIM LOGIC
Battery Pack
PM INTERRUPT LOW POWER POWER ON LOW1 SOFT RESET
TXEN RXEN POR
SIMDATA H SIMCLK H SIMRST H SIM EN
Vccd
Vccd
Vccd
Vccd RXI+ RXIRXQ+
Vbat
Vio Vcore RXDATA RXRATE RXCLK Vos c Vrtc RTC
RX ser ccxo tune
RXQDC DC DC SNYREF SYN_EN SYNDAT SYNCLK SYN_LE RXEN RXEN1 TXEN HIBAND PCBAND TRKHLD VDDB TXI+ TXI90 TXQ+ TXQLINE OUT+ LINE OUTSPKR O + SPKR O MICBIAS MIC IN + MIC IN LINE IN+ LINE INVC CODEC VREF CODEC adc DC
GPRS CACHE
ARM core ROM RAM SIU
clock gen Tu