Rainbow-electronics AT73C246 Manual de usuario descargar pdf (Pagina 6)

11050A–PMAAC–07-Apr-10

AT73C246

MICLN Input 31 Analog Audio negative microphone input left

MICRN Input 32 Analog Audio negative microphone input right

MICR Input 33 Analog Audio positive microphone input right

MICL Input 34 Analog Audio positive microphone input left

MICBIAS Output 35 Analog Voltage bias for electret microphone

VDD4 Output 36 Power LDO4 output - 3.3V typ

VIN4 Input 37 Analog LDO4 input

VIN3 Input 38 Power LDO3 input

VDD3 Output 39 Analog LDO3 output - 3.3V typ

DAO Output 40 Digital Digital audio port data output

DAI Input 41 Digital Digital audio port data input

BCLK Input/Output 42 Digital Digital audio port bit clock

LRFS Input/Output 43 Digital Digital audio port left/right clock

MCLK Input 44 Digital Audio codec master clock input

VPAD Input 45 Power PMU I/O ring supply

NC - 46 - Leave open

NC - 47 - Connect to DGND

NC - 48 - Connect to DGND

MCLK32 Output 49 Digital RTC clock output - VPAD level

VDD2 Output 50 Analog LDO2 output

VIN2 Input 51 Power LDO2 input

VFB1 Input 52 Analog DCDC1 Voltage feedback input

VIN1 Input 53 Power DCDC1 power stage supply

SW1 Output 54 Analog DCDC1 power stage output

GND1 Ground 55 Analog DCDC1 power stage ground

VFB0 Input 56 Analog DCDC0 Voltage feedback input

VIN0 Input 57 Analog DCDC0 power stage supply

SW0 Output 58 Analog DCDC0 power stage output

GND0 Ground 59 Analog DCDC0 power stage ground

HRST Input 60 Digital

Hard reset - VBACKUP level - 100k Pull

down

PWREN Input 61 Digital

Power on/off - VBACKUP level - 100k

Pull down

WAKEUP0 Input 62 Digital

Wake up 0 input - VBACKUP level -

100k Pull down

Table 4-1. Pin Description

Pin Name I/O Pin Number Type Function

1 2 3 4 5 6 7 8 9 10 11 ... 158 159

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Rainbow-electronics AT73C246 Manual de usuario Pagina 6