mtk 相关东西

MT6305和MT6218的PPT应用文档B

Base band application (MT6218B based platform)

WCP/MS/SA1 Danny Wang 2004/07/07

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Outline
MT6305 overview MT6218B overview Application circuit discussion Connect to Driver Base band test items overview Base band related tools overview Communication models with customer END

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MT6305 overview - Block diagram
V+ Buzzer
LED

Vd Vsus Va VioVrtc Vctxo Vm

Vsim

Reset Chr_Det Chr-cntl

Reset GPIO GPIO Buzzer GPIO Vibrator

M SIM Ext. Charger Power
FET

PMIC

BaseBand

Charger Chr-drv Vchr I-charger SIM… Bat_Det

Pwr_BB SR_Clk_En Pwr_key

BB_Wakeup SR_Clk_En Keypad Aux_ADC_1

Rsense

0.2 OHM Battery Pack

Vbat Bat-Temp Bat-Type

Aux_ADC_2 Aux_ADC_3 Aux_ADC_4 GPIO

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Charger state diagram
H.W.
Any state
1. 2. 3. 4. Charger unplugged BATDECT floating OV CHRCTRL “L”

Charger detec