User's Manual

33
May ’00 Chapter 5. Communication Protocol Examples
6 09 Data Field (4) Write Address specifying Program Page 2
7 56 Data Field (5) Selective Address LSB
8 34 Data Field (6) Selective Address
9 12 Data Field (7) Selective Address MSB
10 11 Data Field (8) Programming data (LSByte)
11 00 Data Field (9) Programming data
12 00 - : - - : -
13 00 - : - - : -
14 00 - : - - : -
15 00 - : - - : -
16 00 - : - - : -
17 00 Data Field (15) Programming data (MSByte)
18 9F Data Field (16) DBCC (LSByte)
19 BD Data Field (17) DBCC (MSByte)
20 34 BCC BCC over previous bytes excluding Start Mark
5.1.8 Selective Lock Page of SAMPT
The following sequence of bytes locks page 2 of an SAMPT.
The 24 bit selective address = 12 34 56
MSByte LSByte
Byte Content Comment Description
(hex)
0 01 Start Mark
1 08 Length 8 bytes follow excluding BCC
2 6C Command Perform Single command, calculate FBCC,
Field (1) send Power Burst I & II with Data
3 32 Data Field (1) Power Burst I with 50 ms duration (charge-up)
4 0F Data Field (2) Power Burst II with 15 ms duration (Progr. burst)
5 04 Data Field (3) 4 Data Fields follow
6 0A Data Field (4) Write Address specifying selective Lock Page 2
7 56 Data Field (5) Selective Address LSB
8 34 Data Field (6) Selective Address
9 12 Data Field (7) Selective Address MSB
10 27 BCC BCC over previous bytes excluding Start Mark
5.2 Micro-reader to PC
5.2.1 Successful Read of RO
Byte Content Comment Description
(hex)
0 01 Start Mark
1 09 Length 9 bytes follow excluding BCC
2 0C Status Valid RO, Startbyte detected, DBCC O.K.
3 6A Data Field (1) Identification Data (LSByte)