ST25R200 datasheet(62/88 Pages) STMICROELECTRONICS

номер детали	ST25R200

подробное описание детали	NFC/HF RFID reader IC

PDF	88 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

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5.14.57

Collision display register

Address: 38h

Type: RO

Domain: RD

Table 75. Collision display register

Bit

Name

Default

Function

Comment

c_byte3

Number of full bytes before

the bit collision was detected

Covers ISO14443A anticollision command. If collision (or framing error

interpreted as collision) happens in a longer frame, these are not set.

In the case of I_hfe, c_byte<3:0> and c_bit<2:0> shall be disregarded.

c_byte2

c_byte1

c_byte0

c_bit2

Number of bits before the

collision in the byte where

the collision was detected

c_bit1

c_bit0

c_pb

Collision in parity bit

This error is reported if the first detected collision is in a parity bit.

In the case of I_hfe, c_pb bit shall be disregarded.

5.14.58

IRQ mask register 1

Address: 39h

Type: RW

Domain: RD

Table 76. IRQ mask register 1

Bit

Name

Default

Function

Comment

M_subc_start

Mask IRQ due to subcarrier start

M_col

Mask IRQ due to bit collision

M_wl

Mask IRQ due FIFO water level

M_rx_rest

Mask IRQ due to automatic reception restart

M_rxe

Mask IRQ due to end of reception

M_rxs

Mask IRQ due to start of reception

M_txe

Mask IRQ due to end of transmission

RFU

ST25R200

Application information

DS13658 - Rev 2

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