Specifications

Wireless-Tag Technology Co., Ltd. V1.0.0
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 Analog port
 Supports reset/set of port output data, bitwise operation
 Supports multiplexing as peripheral functions port
 Configurable output drive capacity: four drive capacity options
 Supports 16 external input interrupts
 Supports write protection of port configuration
4.5 Peripheral Interconnection
PIS is used as a bridge interface for the interconnection of peripherals in the microcontroller. The use of
PIS can achieve the mutual triggering, control and automation of the peripherals, improve the real-time
performance and rapid response ability of the system, avoid occupying excessive CPU resources and
simplify software work to provide convenience for various applications.
The features are as follows:
 Supports up to 8 PIS channel selection

Supports synchronous and asynchronous channel selection
 Supports signal effective edge selection

Supports channel output to pin
4.6
Elliptic Curve Cryptography(ECC)
Elliptic Curve Cryptography, ECC for short, is an asymmetric encryption algorithm based on the
mathematical theory of elliptic curve. Compared with RSA, ECC has the advantage of using shorter keys
to achieve security equivalent to or higher than RSA.
4.7 Encryption(AES/DES)
The hardware encryption module is mainly used to encrypt or decrypt data by hardware, and supports AES
and DES standards.
AES (Advanced Encryption Standard) is the latest block symmetric cipher algorithm, compatible with the
Advanced Encryption Standard (AES) specified by the Federal Information Processing Standards
Publication (FIPS PUB 197, November 26, 2001).
DES (Data Encryption Standard) is a widely used symmetric encryption algorithm, compatible with the
Data Encryption Standard (DES) and Triple DES (TDES) specified in the Federal Information Processing
Standards Publication (FIPS PUB 46-3, October 25, 1999) , and complies with the American National
Standards Institute (ANSI) 9.52 standard.
The features are as follows: