Microchip Technology ADM00421 Datenbogen
MCP2210
DS22288A-page 32
2011 Microchip Technology Inc.
3.1.11
SEND ACCESS PASSWORD
3.1.11.1
Responses
TABLE 3-27:
COMMAND STRUCTURE
Byte
Index
Meaning
0
0x70 – SEND ACCESS Password – command code
1
0x00 – Reserved
2
0x00 – Reserved
3
0x00 – Reserved
4
Password Character 0
5
Password Character 1
6
Password Character 2
7
Password Character 3
8
Password Character 4
9
Password Character 5
10
Password Character 6
11
Password Character 7
12-63
0x00 – Reserved
TABLE 3-28:
RESPONSE 1 STRUCTURE
Byte
Index
Meaning
0
0x70 – SEND ACCESS Password – echos back the given command code
1
0x00 – Command Completed Successfully – chip settings not protected
2
Don’t Care
3-63
Don’t Care
TABLE 3-29:
RESPONSE 2 STRUCTURE
Byte
Index
Meaning
0
0x70 – SEND ACCESS Password – echos back the given command code
1
0xFC – Access Not Allowed – access rejected
2
Don’t Care
3-63
Don’t Care
TABLE 3-30:
RESPONSE 3 STRUCTURE
Byte
Index
Meaning
0
0x70 – SEND ACCESS Password – echos back the given command code
1
0xFD – Access Not Allowed – Chip conditional access is on, the password does not match and the
number of attempts is less than the accepted threshold of 5.
2
Don’t Care
3-63
Don’t Care