SRT512-SBN18/1G2 STMICROELECTRONICS [STMicroelectronics], SRT512-SBN18/1G2 Datasheet - Page 10

• Manufacturer Part Number: SRT512-SBN18/1G2
• Description: 13.56 MHz short-range contactless memory chip with 512-bit EEPROM and anticollision functions
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Data transfer
3.1.2
3.1.3
10/46
Table 2.
Request start of frame
The SOF described in
●
●
●
●
Figure 5.
Request end of frame
The EOF shown in
●
●
●
Figure 6.
b
ETU
1
Bit
b
b
to b
one falling edge,
followed by 10 ETUs at logic-0,
followed by a single rising edge,
followed by at least 2 ETUs (and at most 3) at logic-1.
one falling edge,
followed by 10 ETUs at logic-0,
followed by a single rising edge.
0
9
ETU
8
0
b0
Start bit used to synchronize the transmission
Information byte (command, address or data)
Stop bit used to indicate the end of a character
Bit description
Request start of frame
Request end of frame
b0
0
0
b1
Figure 6
b1
0
Figure 5
0
b2
b2
0
is composed of:
Description
Doc ID 13277 Rev 4
0
b3
is composed of:
b3
0
0
b4
b4
0
0
b5
b5
0
b6
0
0
b6
b7
0
0
b7
The information byte is sent with
the least significant bit first
b8
0
0
b8
0
b9
0
b9
b
b
Value
0
9
= 0
= 1
1
b10
ai07666
ai07665
SRT512
1
b11