Maxim-integrated MAXQ Family Users Guide: MAXQ2010 Supplement Instrukcja Użytkownika Pobierz pdf (Strona 78)

MAXQ Family User’s Guide:

MAXQ2010 Supplement

17-5

Command 11h—Load Data Variable Length

This command writes (Length) bytes of data into the data SRAM starting at byte address (AddressH:AddressL).

17.4 Family 2 Commands: Dump Variable Length (Password Protected)

Command 20h—Dump Code Variable Length

This command has a slightly different format depending on the length of the dump requested. It returns the contents

of the program flash memory: (Length) or (LengthH:LengthL) bytes starting at byte address (AddrH:AddrL).

Command 21h—Dump Data Variable Length

This command has a slightly different format depending on the length of the dump requested. It returns the contents

of the data SRAM - (Length) or (LengthH:LengthL) bytes starting at byte address (AddrH:AddrL).

I/O BYTE 1 BYTE 2 BYTE 3 BYTE 4

(LENGTH)

BYTES

BYTE

LENGTH+5

BYTE

LENGTH+6

Input

11h Length AddressL AddressH Data to load 00h 00h

Output

03Eh

I/O BYTE 1 BYTE 2 BYTE 3 BYTE 4 BYTE 5 BYTE 6

(LENGTH)

BYTES

BYTE

LENGTH+7

Input (to

dump

< 256 bytes)

20h 1 AddrL AddrH Length 00h 00h... 00h

Output

Memory

contents

03Eh

I/O BYTE 1 BYTE 2 BYTE 3 BYTE 4 BYTE 5 BYTE 6 BYTE 7

(LENGTH)

BYTES

BYTE

LENGTH+8

Input (to

dump

256+ bytes)

20h 2 AddrL AddrH LengthL LengthH 00h 00h... 00h

Output

Memory

contents

03Eh

I/O BYTE 1 BYTE 2 BYTE 3 BYTE 4 BYTE 5 BYTE 6

(LENGTH)

BYTES

BYTE

LENGTH+7

Input (to

dump

< 256 bytes)

21h 1 AddrL AddrH Length 00h 00h... 00h

Output

Memory

contents

03Eh

I/O BYTE 1 BYTE 2 BYTE 3 BYTE 4 BYTE 5 BYTE 6 BYTE 7

(LENGTH)

BYTES

BYTE

LENGTH+8

Input (to

dump

256+ bytes)

21h 2 AddrL AddrH LengthL LengthH 00h 00h... 00h

Output

Memory

contents

03Eh

1 2 ... 73 74 75 76 77 78 79 80 81 82 83 ... 146 147

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