Micro-reader Module
25 July 1996
5.1.3 Addressing MPTs/SAMPTs
Since MPT/SAMPTs allow the execution of the different commands applicable to multiple pages the
‘Write Address’ needs to be sent within the protocol in order to determine the function to be
executed with a specific MPT/SAMPT page.
WRITE ADDRESS
MSB
LSB
P P P P P P C C
|
|
PAGE COMMAND
MSB
LSB
MSB LSB
Page 1 000001
00
General read page
Page 2 000010
01
Program page
. .
.
10
Lock page
Page 16 010000
11
Selective read
Page 17 010001
5.1.3.1 General Read Page of MPT/SAMPT
50 ms
READ
WRITE
ADDRESS
86 ms
LSB
8 bit
128 bit
20 ms
16 ms
ON
OFF
POWER BURST I
RF TRANSMITTER
Figure 7: Data Format of the General Read Page Function
5.1.3.2 Program Page of MPT/SAMPT
READ OR
20 ms
50 ms
WRITE
ADDRESS
WRITE DATA
WRITE FRAME BCC
8
80
16
16 ms
160 ms
32 ms
15 ms
293 ms
104 bit
128 bit
LSB
DISCHARGE
MSB
RF
OFF
ON
TRANSMITTER
POW ER BURST I
PB II
Figure 8: Programming Data Format of the MPT
5.1.3.3 Lock Page of MPT/SAMPT
50 ms
WRITE
ADDRESS
8
WRITE FRAME BCC
16
32 ms
133 ms
24 bit
READ OR
20 ms
128 bit
DISCHARGE
15 ms
LSB
16 ms
MSB
ON
OFF
POWER BURST I
RF TRANSMITTER
PB II
Figure 9: Lock Page Data Format of the MPT/SAMPT
