NXP Semiconductors

SE050

Plug & Trust Secure Element

SE050

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Product data sheet

Rev. 3.0 — 12 May 2020

504930

9 / 30

• ISO14443: If interface available for this product type, check of RF field on LA, LB

antenna pins

are at high level (internal weak pull-up active)

• The chosen interface is the only interface the SE050 will receive commands for

processing. To select a different interface the IC needs to be reset.

4 Communication interfaces

master mode.

the host controller to send arbitrary APDUs to the device. It supports clock frequencies

The default slave address of the SE050 is configured to 0x48.

aaa-037450

1

0

0

1

slave address

0

0

0 R/W

Figure 3. Slave address

securely written and read. This interface features a maximum SCL clock rate of 400 kHz.

clock of up to 3.4 MHz when clock stretching is enabled.

In case clock stretching is disabled the maximum supported SCL clock frequency is

1.7 MHz.

Clock stretching is enabled by default. Clock stretching will occur for frequencies

dedicated configuration with disabled clock stretching has to be used to ensure the above

mentioned maximum clock frequency.

4.2 ISO7816 and ISO14443 Interface

Smartcard interfaces. For the ISO7816 interface SmartCard protocols T=0 and T=1 are

1

ISO7816 is not enabled in generic SE050 configurations (see [4], AN12436) but available on customer

request.