资料介绍
AS3850 MTK Reference Schematic0912181 U1 RT9167-3.3V 3 C1 1 1uF D 2 4 C5 2.2uF VIN CE GND VOUT BYP 5 C2
2 3V3 3V3 +1V8 +1V8
3 +1V8
4
VBAT
C7 10u
C8 15pF
C9 0.1uF
C10 0.1uF D
1uF 32 38 47 11 31 33 10 14 8 9 37 U3 VDD_RF VDD_DIG VDD_LO VDD_33 VDD_33 VDD_33 VDD_18 VDD_18 VDD_18 VDD_ANA LDO_OUT VDD_18 LDO_IN 5 1
BT POWER 2.8-3.6V
可由MTK BB端提供
+1V8
C C11
L2 22nH 3 8 7 U4 NC GND DC GND GND 2 Balanced 4 7 RFB
AS3850
GND 0 6 6 RFA
Port_A7 Port_A6 Port_A5 Port_A4 Port_A2 Port_A1 Port_A0 Port_B5 PCM_IN PCM_OUT PCM_CLK PCM_SYNC
44 45 46 48 3 4 2 39 27 28 30 29
CLK_REQ E-INT
3V3 3V3
C PCM_IN PCM_OUT PCM_CLK PCM_SYNC
50 ohm
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