HKX1920 (formerly DM1920) large-capacity dual-interface CPU card chip-Huake

HKX1920 (formerly DM1920) large-capacity dual-interface CPU card chip

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HKX1920 (formerly DM1920) is a high-security, large-capacity dual-interface CPU card chip, using ARM 32-bit security CPU, which can be used in finance, social security, transportation, citizens, campuses, high-end certificates, security modules and other fields.

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CPU card chip

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Product Details

1. Product Overview
1.1 Introduction
The HKX1920 is a high-security, large-capacity dual-interface CPU card chip with ARM 32-bit security CPU, which can be applied to financial,
Social security, transportation, citizens, campus, high-end documents, security modules and other fields.
1.2 characteristics
communication protocol
▷ ISO/IEC 7816 contact interface
▷ ISO/IEC 14443A Contactless Interface
Security Features
▷ True Random Number Generator
▷ Various sensors: voltage, frequency, temperature, light
▷ Memory security
★Storage Data Encryption
★Memory Address Scrambling
★Memory Data Verification
▷ Metal shield
▷ SPA/DPA/DEMA/DFA 防护
▷ Safety map
security algorithm
▷ Symmetric Algorithm： TDES、SSF33、SM4 PAE co-processor（supports 2048-bit RSA 、ECC and SM2）
▷ Asymmetric Algorithms：RSA、SM2、ECC Triple-DES co-processor
▷ HASH Algorithm（ SHA-1 、SHA-224 、SHA-256 、SM3 ）
Memory capacity
▷ ROM:192KB
▷ Program EEPROM:128KB
▷ Data EEPROM:128KB
▷ RAM:17.3KB
EEPROM Reliability
▷ Data area meets 500000 erasure
▷ Meet 25 years (550C) data preservation
2 Functional Block Diagram

HKX1920 functional block diagram
3 Electrical parameters
Main DC index of 3.1 (typical value at room temperature)
Voltage operating range (support ISO7816 class A/B/C): 1.62~5.5V
ISO7816 interface CLOCK STOP mode operating current (5.5V) 200uA
ISO7816 interface CLOCK STOP mode operating current (3.3V) 100uA
▷ Maximum chip operating current (RSA @ 30MHz): 6mA
Main AC indicators of 3.2 (typical value at room temperature)
Non-contact communication baud rate: 106K ~ 848Kbps
ISO7816 contact communication baud rate: 9600~115200 bps
Antenna input capacitance: 16.0~20.0 pF
3.3 temperature indicator Operating Range
Working temperature: -25~85 ℃
Storage temperature:-55~125 ℃

CPU card chip