BL808 DVK Quick Start
Version: 1.0
Copyright @ 2022
www.bouffalolab.com
目录
1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
2 DVK Connection Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
2.1
Download Firmware
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
2.2
UART Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
2.3
LOG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
2.4
JTAG Source Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
3 Document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1
Overview
Brief guide to download firmware into BL808 DVK.
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2
DVK Connection Introduction
BL808 series chips integrate T-Head E907 and T-Head C906.
2.1 Download Firmware
• Connect BL808 DVK with PC by USB cable, and the uart device (ex:COM15(PROG)) for E907 will be found on
PC. BL808 will enter burning mode as the following button operations on board: press BOOT->press PU_CHIP>release PU_CHIP->release BOOT.
图 2.1: BL808_DVK
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图 2.2: BL808_DevCube
• Get BLDevCube tool from https://dev.bouffalolab.com
• Run BLDevCube.exe, and select ’chips’ with BL808, select ’com port’ with the previous PROG, enable Single
Download Config, choose the bin we provide.
• Click ’Create&Download’ to burn until the progress bar is 100% and green.
2.2 UART Connector
E907 uart:
The power port of USB type c is also the uart of the E907
C906 uart:
IO4->TX
IO5->RX
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2.3 LOG
E907_LOG:
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C906_LOG:
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2.4 JTAG Source Setting
C906 JTAG:
IO6->TMS
IO7->TDO
IO12->TCK
IO13->TDI
E907 JTAG:
IO0->TCK
IO1->TDI
IO2->TMS
IO3->TDO
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3
Document
Bouffalolab Doc: https://github.com/bouffalolab/bl_docs
E907 Datasheet: https://www.t-head.cn/technology?icon=E907
C906 Datasheet: https://www.t-head.cn/technology?icon=C906
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