DS5250 Maxim, DS5250 Datasheet - Page 2

• Manufacturer Part Number: DS5250
• Description: The DS5250 is a highly secure, four clocks-per-machine cycle, 100% 8051-instruction-set-compatible microprocessor in Maxim's secure microcontroller family
• Manufacturer: Maxim

High-Speed Secure Microcontroller
Figure 4. Block Diagram
Note to readers: This document is an abridged version of the full data sheet. To request the full data sheet, go to
www.maxim-ic.com/DS5250
10
______________________________________________________________________________________
RESET
RTCX1
RTCX2
GND2
REAL-TIME
GENERATOR
TEMPERATURE
RANDOM-
POWER AND
CLOCK
NUMBER
AND POWER
ABRIDGED DATA SHEET
WATCHDOG
MONITOR
CONTROL
and click on Request Full Data Sheet.
REGISTERS
INTERNAL
SERIAL
PORTS
0, 1
CLOCKS
INTERNAL CONTROL/DATA BUS
CPU
INTERNAL
POINTER
3KB x 8
1KB x 8
1KB x 8
STACK
SRAM
INSTRUCTION
CONTROLS
DECODER
CRYPTOGRAPH
AND
PROGRAM
MEMORY
ENGINE
INSTRUCTION
USER
DES
CACHE
BYTE-WIDE BUS INTERFACE
GENERATOR
CRYPTOGRAPH
CRC
MEMORY
ARITHMETIC
8
MODULO-
DATA
ACCEL.
INTERNAL ADDRESS BUS
INTERRUPT
LOGIC
24
MMU
8
TIMERS
0, 1, 2
21
21
PC AND
DPTRs
8
8
P0
LOADER
ROM
I/O PORTS
8
P1 P2 P3 P4
8
PE3, PE4, AND CExN
8
8
DS5250
8
8