
Table 23-30. Parameters for FlashSecurityDisable Command
Byte #
Command
0 - 3
Backdoor key low word
4 - 7
Backdoor key high word
Host
Target
Generic Response:
ACK: 0x5A A1
ACK: 0x5A A1
FlashSecureDisable with backdoor key 0102030405060708
0x5A A4 0C 00 43 7B 06 00 00 02 04 03 02 01 08 07 06 05
0x5A A4 0C 00 35 78 A0 00 0C 02 00 00 00 00 06 00 00 00
Process
Command
Figure 23-13. Protocol Sequence for FlashSecurityDisable Command
Table 23-31. FlashSecurityDisable Command Packet Format (Example)
FlashSecurityDisable Parameter
Value
Framing packet
start byte
0x5A
packetType
0xA4, kFramingPacketType_Command
length
0x0C 0x00
crc16
0x43 0x7B
Command packet
commandTag
0x06 - FlashSecurityDisable
flags
0x00
reserved
0x00
parameterCount
0x02
Backdoorkey_low
0x04 0x03 0x02 0x01
Backdoorkey_high
0x08 0x07 0x06 0x05
The FlashSecurityDisable command has no data phase.
Chapter 23 Kinetis ROM Bootloader
Kinetis KE1xF Sub-Family Reference Manual, Rev. 4, 06/2019
NXP Semiconductors
593
Summary of Contents for KE1xF Series
Page 2: ...Kinetis KE1xF Sub Family Reference Manual Rev 4 06 2019 2 NXP Semiconductors...
Page 138: ...Usage Guide Kinetis KE1xF Sub Family Reference Manual Rev 4 06 2019 138 NXP Semiconductors...
Page 360: ...Usage Guide Kinetis KE1xF Sub Family Reference Manual Rev 4 06 2019 360 NXP Semiconductors...
Page 490: ...Interrupts Kinetis KE1xF Sub Family Reference Manual Rev 4 06 2019 490 NXP Semiconductors...
Page 562: ...Boot Kinetis KE1xF Sub Family Reference Manual Rev 4 06 2019 562 NXP Semiconductors...
Page 706: ...Usage Guide Kinetis KE1xF Sub Family Reference Manual Rev 4 06 2019 706 NXP Semiconductors...
Page 736: ...Usage Guide Kinetis KE1xF Sub Family Reference Manual Rev 4 06 2019 736 NXP Semiconductors...
Page 866: ...Usage Guide Kinetis KE1xF Sub Family Reference Manual Rev 4 06 2019 866 NXP Semiconductors...
Page 1164: ...Usage Guide Kinetis KE1xF Sub Family Reference Manual Rev 4 06 2019 1164 NXP Semiconductors...
Page 1178: ...Usage Guide Kinetis KE1xF Sub Family Reference Manual Rev 4 06 2019 1178 NXP Semiconductors...
Page 1380: ...Usage Guide Kinetis KE1xF Sub Family Reference Manual Rev 4 06 2019 1380 NXP Semiconductors...
Page 1472: ...Kinetis KE1xF Sub Family Reference Manual Rev 4 06 2019 1472 NXP Semiconductors...
Page 1482: ...Kinetis KE1xF Sub Family Reference Manual Rev 4 06 2019 1482 NXP Semiconductors...