ds5003fpm-16 Maxim Integrated Products, Inc., ds5003fpm-16 Datasheet
ds5003fpm-16
Related parts for ds5003fpm-16
ds5003fpm-16 Summary of contents
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... Protects Memory Contents from Piracy o Crash-Proof Operation Maintains All Nonvolatile Resources for Over 10 Years (at Room Temperature) in the Absence of Power Power-Fail Reset Early Warning Power-Fail Interrupt Watchdog Timer PART DS5003FPM-16+ +Denotes a lead-free/RoHS-compliant package. Applications Pin Configuration appears at end of data sheet. Features Ordering Information INTERNAL TEMP MICRO ...
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Secure Microprocessor Chip ABSOLUTE MAXIMUM RATINGS Voltage Range on Any Pin Relative to Ground..................................-0. Voltage Range on V Relative CC to Ground ..........................................................-0.3V to +6.0V *Storage temperature is defined as the temperature of the device when V are ...
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DC CHARACTERISTICS (continued ±10 0°C to +70°C PARAMETER SYMBOL Output Low Voltage 3.2mA (P0.0–P0.7, ALE, OL BA0–BA14, BD0–BD7, R/W, CE1N, CE1–CE4, PE1–PE4, VRST) Output High Voltage -80µA ...
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Secure Microprocessor Chip AC CHARACTERISTICS—EXPANDED BUS-MODE TIMING SPECIFICATIONS ( ±10 0°C to +70°C.) (Figures PARAMETER SYMBOL Oscillator Frequency 1/t ALE Pulse Width t Address Valid to ALE Low t AVALL Address Hold ...
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AC CHARACTERISTICS—POWER-CYCLE TIME ( ±10 0°C to +70°C.) (Figure PARAMETER Slew Rate from CCMIN LI Crystal Startup Time Power-On Reset Delay AC CHARACTERISTICS—SERIAL PORT TIMING (MODE ...
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Secure Microprocessor Chip AC CHARACTERISTICS—BYTE-WIDE ADDRESS/DATA BUS TIMING (continued ±10 0°C to +70°C.) (Figure PARAMETER Delay from R/W Low to Valid Data Out During MOVX (Write) Valid Data Out Hold Time from ...
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AC CHARACTERISTICS—PROG ( ±10 0°C to +70°C PARAMETER PROG Low to Active PROG High to Inactive Note 1: All voltages are referenced to ground. Note 2: Maximum operating I is measured with all output ...
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Secure Microprocessor Chip ALE WR t AVALL A7–A0 PORT 0 (Rn OR DPL) t AVRDL PORT 2 Figure 2. Expanded Data Memory Write Cycle t CLKHPW t CLKF Figure 3. External Clock Timing 8 _______________________________________________________________________________________ t t ALLRDL WRPW t ...
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PFW V CCMIN V LI INTERRUPT SERVICE ROUTINE CLOCK OSC INTERNAL RESET LITHIUM CURRENT Figure 4. Power-Cycle Timing _______________________________________________________________________________________ Secure Microprocessor Chip CSV t POR 9 ...
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Secure Microprocessor Chip 0 1 ALE CLOCK t DOCH DATA OUT 0 WRITE TO SBUF REGISTER INPUT DATA VALID CLEAR RI Figure 5. Serial Port Timing (Mode 0) MACHINE CYCLE XTAL2 ALE R/W BA0–BA14 PC OUT ...
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DATA DATA DACK RD t ACC WR DATA t ACD DRQ t CRQ Figure 7. RPC Timing Mode ______________________________________________________________________________________ Secure Microprocessor Chip READ OPERATION ...
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Secure Microprocessor Chip PIN NAME 11 P0.0/AD0 9 P0.1/AD1 7 P0.2/AD2 General-Purpose I/O Port 0. This port is open drain and cannot drive a logic 1. It requires external 5 P0.3/AD3 pullups. Port 0 is also the multiplexed expanded address/data ...
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PIN NAME 52 GND Logic Ground 13 V Power Supply, + Output. This is switched between V CC When power is above the lithium input, power is drawn from CCO isolated from a load. When ...
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Secure Microprocessor Chip PIN NAME Active-Low Chip-Enable 3. This chip enable is provided to access a third 32kB block of memory. It connects to the chip-enable input of one SRAM. When MSEL = 0, the microcontroller CE3 63 converts CE3 ...
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Detailed Description The DS5003 implements a security system that loads and executes application software in encrypted form 128kB of standard SRAM (64kB program + 64kB data) can be accessed by its byte-wide bus. This SRAM is converted by ...
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Secure Microprocessor Chip XTAL1 OSC XTAL2 TIMING RST AND ALE BUS PROG CONTROL P0.7 P0.6 P0.5 P0.4 PORT 0 P0.3 P0.2 P0.1 P0.0 P1.7 P1.6 P1.5 P1.4 PORT 1 P1.3 P1.2 P1.1 P1.0 P2.7 P2.6 P2.5 P2.4 PORT 2 P2.3 ...
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Security Circuitry Figure 9 shows the on-chip functions associated with the DS5003’s software security feature. Encryption logic consists of an address encryptor and a data encryptor. Although each encryptor uses its own algorithm for encrypting data, both depend on the ...
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Secure Microprocessor Chip When the application software is executed, the DS5003’s internal CPU operates as normal. Logical addresses are calculated for op code fetch cycles and also data read and write operations. The DS5003 can perform address encryption on logical ...
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This action triggers several events that defeat tampering. First, the encryption key is instantaneously erased. Without the encryption key, the DS5003 can no longer decrypt the contents of the SRAM. Therefore, the application software can no longer be correctly ...
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Secure Microprocessor Chip be read out and transmitted back to the host PC in decrypted form. Similarly, execution of the Verify com- mand within the same bootstrap session causes the incoming absolute hex data to be compared against the true ...
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An alternate configuration allows dynamic partitioning of a 64kB space as shown in Figure 11. Selecting PES = 1 provides another 64kB of potential data storage or memory-mapped peripheral space ...
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Secure Microprocessor Chip FFFFh PARTITION 4000h 0000h LEGEND: = BYTE-WIDE PROGRAM (ENCRYPTED) Figure 12. Memory Map with PES = +3V LITHIUM DS5003 PORT 0 PORT 1 PORT 2 PORT 3 14 MSEL ...
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+3V LITHIUM DS5003 PORT 0 PORT 1 PORT 2 PORT 3 14 +5V MSEL Figure 14. Connection to 64kB x 8 SRAM Power Management The DS5003 monitors V to provide power-fail reset, CC ...
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... Maxim reserves the right to change the circuitry and specifications without notice at any time. 24 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2008 Maxim Integrated Products Pin Configuration DS5003 MQFP is a registered trademark of Maxim Integrated Products, Inc. 64 P2.6/A14 63 CE3 62 ...