SRIX4K_11 datasheet(10/48 Pages) STMICROELECTRONICS

Part #	SRIX4K

Description	13.56 MHz short-range contactless memory chip with 4096-bit EEPROM, anticollision and anti-clone functions

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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10 / 48 page

Data transfer

SRIX4K

10/48

Doc 8887 Rev 9

3.1.2

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The SOF described in Figure 5 is composed of:

●

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.

Figure 5.

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3.1.3

Request end of frame

The EOF shown in Figure 6 is composed of:

●

one falling edge,

●

followed by 10 ETUs at logic-0,

●

followed by a single rising edge.

Figure 6.

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Table 2.

Bit description

Bit

Description

Value

b0

Start bit used to synchronize the transmission

b0 = 0

b1 to b8

Information byte (command, address or data)

The information byte is sent with the

least significant bit first

b9

Stop bit used to indicate the end of a character

b9 = 1

ai07665

ETU

b0

b1

b2

b3

b4

b5

b6

b7

b8

b9

b10

b11

0000000000

11

ai07666

ETU

b0

b1

b2

b3

b4

b5

b6

b7

b8

b9

0000000000

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