DS2252T-32-16 Maxim Integrated Products, DS2252T-32-16 Datasheet
DS2252T-32-16
Specifications of DS2252T-32-16
Related parts for DS2252T-32-16
DS2252T-32-16 Summary of contents
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... GENERAL DESCRIPTION The DS2252T secure microcontroller module is an 8051-compatible microcontroller based on nonvolatile RAM technology designed for systems that need to protect memory contents from disclosure. This includes key data, sensitive algorithms, and proprietary information of all types. Like other members of the secure ...
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... The DS2252T even interfaces directly to external tamper protection hardware. The DS2252T provides a permanently powered real time lock with interrupts for time stamp and date. It keeps time to one hundredth of a second using its onboard 32 kHz crystal. ...
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... DS2252T BLOCK DIAGRAM Figure ...
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PIN ASSIGNMENT PIN NAME PIN P0.3 20 PIN DESCRIPTION PIN 4, ...
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... Secure Microcontroller User’s Guide. MEMORY ORGANIZATION Figure 2 illustrates the memory map accessed by the DS2252T. The entire 64k of program and 64k of data are available to the Byte-wide bus. This preserves the I/O ports for application use. An alternate configuration allows dynamic Partitioning of a 64k space as shown in Figure 3 ...
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... PROGRAM 0000h -- DS2252T MEMORY MAP IN PARTITIONABLE ( Figure 3 PROGRAM MEMORY FFFFh -- PARTITION NV RAM PROGRAM 0000h -- NOTE: PARTITIONABLE MODE IS NOT SUPPORTED ON THE 128KB VERSION OF THE DS2252T. LEGEND RAM MEMORY = EXPANDED BUS (PORTS 0 AND 2) DATA MEMORY (MOVX) NV RAM DATA DATA MEMORY (MOVX) NV RAM DATA ...
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... Secure Microcontroller User’s Guide has more information on this topic. The trip points V V are listed in the electrical specifications. PFW NV RAM PROGRAM to provide power-fail reset, early warning power-fail interrupt, and , and V respectively. When the DS2252T invokes a reset state. No further CCMIN is still the power source at this time. When DATA MEMORY (MOVX) -- 64K -- 16K REAL-TIME CLOCK ...
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ABSOLUTE MAXIMUM RATINGS Voltage Range on Any Pin Relative to Ground……………………………………...-0. Voltage Range on V Relative to Ground…………………………………………………-0.3V to +6.0V CC Operating Temperature Range……………………………………………………………...-40°C to +85°C Storage Temperature (Note 1)…………………………………………………………….-55°C to +125°C Soldering Temperature………………………………………………………………+260°C for 10 seconds This ...
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DC CHARACTERISTICS (continued ±10 0°C to +70°C PARAMETER With BAT = 3.0V Reset Trip Point in Stop Mode With BAT = 3.3V SDI Input High Voltage SDI Input High Voltage SDI Pulldown Resistor ...
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AC CHARACTERISTICS—EXPANDED BUS MODE TIMING SPECIFICATIONS = 5V ±10 0°C to +70°C PARAMETER 1 Oscillator Frequency 2 ALE Pulse Width 3 Address Valid to ALE Low 4 Address Hold After ALE Low 14 Pulse ...
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EXPANDED DATA MEMORY WRITE CYCLE ...
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AC CHARACTERISTICS—EXTERNAL CLOCK DRIVE = 5V ±10 0°C to +70°C PARAMETER 28 External Clock High Time 29 External Clock Low Time 30 External Clock Rise Time 31 External Clock Fall Time EXTERNAL CLOCK TIMING ...
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AC CHARACTERISTICS—POWER CYCLE TIMING = 5V ±10 0°C to +70°C PARAMETER 32 Slew Rate from V CCMIN 33 Crystal Startup Time 34 Power-On Reset Delay POWER CYCLE TIMING SYMBOL to 3. ...
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AC CHARACTERISTICS—SERIAL PORT TIMING: MODE ±10 0°C to +70°C PARAMETER 35 Serial Port Clock Cycle Time 36 Output Data Setup to Rising Clock Edge 37 Output Data Hold after Rising Clock ...
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PACKAGE DRAWING PKG INCHES DIM MIN A 2.645 B 2.379 C 0.995 D 0.395 E 0.245 F 0.050 BSC G 0.075 H 0.245 I 0.950 BSC J 0.120 K 1.320 L 1.445 M 0.057 0.047 ...
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... Please review this summary carefully. 1. Data sheet conversion from Interleaf to Word. The following represent the key differences between 01/18/00 and 06/13/06 version of the DS2252T data sheet. Please review this summary carefully. 1. Updated reference in Features (Crashproof Operation) to 10-year NV RAM data life to include room temperature caveat ...