Mitsubishi DS5000TK DS2251T 128K Soft Microcontroller Module, DS5002FP Secure Microprocessor Chip

USER'S GUIDE

DS2251T 128K Soft Microcontroller Module

The DS2251T is a SIMM based on the DS5001. It pro- vides up to 128K bytes of on±board NV RAM and has the Byte±wide bus available at the connector. This is used with the decoded peripheral enables for memory mapped peripherals such as a UART or A/D converter. The real±time clock is a parallel access type with inter- rupt capability. Like the older versions, the DS2251T provides 10±year data retention, even in the largest memory configuration.

DS5002FP Secure Microprocessor Chip

The DS5002FP is a highly secure version of the DS5001FP. It provides the operating features of the DS5001FP, with the following enhancements to the DS5000 security features.

•Security is active at all times

•Improved memory encryption using a 64±bit en- cryption key

•Automatic random generation of encryption keys

•Self±destruct input for tamper protection

•Optional top±coating prevents microprobe (DS5002FPM)

DS2252T Secure Microcontroller Module

The DS2252T incorporates the DS5002FP on a 40±pin SIMM. This includes from 32K bytes to 128K bytes of secure memory with a real time clock. The memory is highly secure from tampering and from competitors. Like other products in the family, the D2252T has a data retention period of over 10 years at room temperature.

050396 4/173

5