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Bluetrum Technology
BT8812E2
Audio Player Microcontroller
Versions: 0.0.1
2020/02/04
Declaration
Copyright © 2019, www. bluetrum.com.
All Rights Reserved. No Unauthorized Distribution.
Bluetrum reserves the right to make changes without further notice to any products herein
to improve reliability, function or design.
For further information on the technology, product and business term, please contact
Bluetrum Company.
For sales or technical support, please send email to the address:
Sales:
sales@bluetrum.com
Technical:
project@bluetrum.com
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Summary of Contents for Bluetrum Technology BT8812E2
- Page 1 Bluetrum Technology BT8812E2 Audio Player Microcontroller Versions: 0.0.1 2020/02/04 Declaration Copyright © 2019, www. bluetrum.com. All Rights Reserved. No Unauthorized Distribution. Bluetrum reserves the right to make changes without further notice to any products herein to improve reliability, function or design.
- Page 2 Bluetrum Technology Revision History Date Version Comments Revised by 2020-02-04 0.0.1 First draft...
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Page 3: Table Of Contents
Table of content Table of Contents TABLE OF CONTENTS ............................. 3 PRODUCT FEATURES ............................. 4 PACKAGE DEFINITION ........................... 5 ..............................5 SSIGNMENT ..............................6 ESCRIPTIONS CHARACTERISTICS ............................8 PMU P ............................... 8 ARAMETERS IO P ..............................8 ARAMETERS DAC P ............................ -
Page 4: Product Features
1Product Features 1 Product Features CPU and Flexible IO Peripheral and Interfaces 32bit High performance CPU with DSP Three 32-bit timers; instruction One multi-function 32-bit timers, support Program memory: internal 2M bit flash Capture and PWM mode; WatchDog; Flexible GPIO pins with Programmable pull-up and pull-down resistors;... -
Page 5: Package Definition
2Package Definition 2 Package Definition 2.1 Pin Assignment Figure 2-1 Pin assignment for QFN32L Copyright © 2019, www. bluetrum.com. All Rights Reserved... -
Page 6: Pin Descriptions
2Package Definition 2.2 Pin Descriptions Table 2-1 QFN32L pin description Pin No. Name Type Function E-GND E-Pad Ground ADC9 TX0-G4 HSTRX-G4 TX0-G6 VUSB VUSB power input VDDIO VDDIO power output VBAT VBAT power input Buck inductor connect pin DGND Digital Ground VDDBT BT power PWRKEY... - Page 7 2Package Definition PWM0-T3 ADC10 MICL/PF2 TX0-G7 VCMBUF VCM buffer output DACL DAC L VDDDAC DAC power output VDDPA PA power input AGND DAC Ground Note: I/O: Digital input/output; I : Digital input; A : Analog Pin; PWR: Power Pin; GND: Ground. Copyright ©...
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Page 8: Characteristics
3Characteristics 3 Characteristics 3.1 PMU Parameters Table 3-1 PMU voltage input Parameters Characteristics Unit Conditions VUSB Charger Voltage input VBAT Voltage input Table 3-2 3.3V LDO Parameters Characteristics Unit Conditions VDDIO 3.3V LDO voltage output Light Loading condition △VVDDIO Output Mismatch 1-sigma VDDIO=3.3v ILOAD Maximum output current... -
Page 9: Audio Dac Parameters
3Characteristics 3.3 Audio DAC Parameters Table 3-6 Audio DAC Parameters Characteristics Unit Conditions VCM cap=1uF VDDDAC cap=1uF with A-wt filter Output -3dBV Fin=1KHz VCM cap=1uF VDDDAC cap=1uF THD+N with A-wt filter Output -3dBV with 10K loading Fin=1KHz Output Range Maximum output voltage 32ohm Loading peak-peak 3.4 Audio ADC Parameters... -
Page 10: Current Parameters
3Characteristics 3.6 Current Parameters Table 3-9 Current Parameters Characteristics Unit Conditions IRTC RTC mode current 4.2V input, room temp. Sleep Sleep current 2000 3.3V input, room temp Copyright © 2019, www. bluetrum.com. All Rights Reserved... -
Page 11: Package Information
4Package Information 4 Package Information QFN4X4-32L(P0.4T0.75) Copyright © 2019, www. bluetrum.com. All Rights Reserved... - Page 12 4Package Information Copyright © 2019, www. bluetrum.com. All Rights Reserved...
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