TMF8701 datasheet(45/66 Pages) OSRAM

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[v2-00] 2023-Feb-21

TMF8701 − Register Description

Bootloader Registers – appid=0x80

Following registers are only available if appid=0x80

(Bootloader):

Figure 104:

BL_CMD_STAT Register

Figure 105:

BL_SIZE Register

Figure 106:

BL_DATA Register

Figure 107:

BL_CSUM Register

0x08: BL_CMD_STAT

Field

Name

Reset

Type

Description

7:0

bl_cmd_stat

Write: Bootloader Command – see section

Bootloader commands

Read: Bootloader Status – anything else than

0x00 means an error

0x09: BL_SIZE

Field

Name

Reset

Type

Description

6:0

bl_size

Data size in bytes

0x0A - 0x8A: BL_DATA

Field

Name

Reset

Type

Description

7:0

bl_data0 … bl_

data127

0RW

Up to 128 data bytes for bootloader

commands

0x8B: BL_CSUM

Field

Name

Reset

Type

Description

7:0

bl_csum

Checksum for Sum (Command + Data Size +

Data itself ) XOR 0xFF

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