S-7600A Datasheet, PDF (48/55 Pages) Seiko Instruments Inc – Hardware Specification (TCP/IP Network Stack LSI)

S-7600A
Hardware Specification
7.3.34. PAP String (0x64)
(Write-Only)
This write-only register enters the string for the PAP configuration request packet. Enter the string
according to the format shown Table 7-56.
Table 7-56
PAP String Format
Byte
String
[0]
Length of username
[1]
First byte of username
[2]
Second byte of username
[n]
Last byte of username (where n is the length of the username string)
[n+1]
Length of password
[n+2]
First byte of password
[n+m+1]
Last byte of password (where m is the length of the password string)
As an example, if the username string is “joe” and the password is “public”, enter the bytes as shown in
Table 7-57.
Table 7-57
PAP String Example
byte:0
byte:1
byte:2
byte:3
byte:4
byte:5
byte:6
byte:7
byte:8
byte:9
byte:a
0x03
0x6a
0x6f
0x65
0x06
0x70
0x75
0x62
0x6C
0x69
0x63
Length of username string
Character “j”
Character “o”
Character “e”
Length of password string
Character “p”
Character “u”
Character “b”
Character “l”
Character “I”
Character “c”
If PAP is used, the Use_PAP bit must be set in the PPP Control and Status register (0x60) prior to
entering the PAP string.
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Seiko Instruments Inc.