DS5003 Datasheet, PDF (16/24 Pages) Maxim Integrated Products – Secure Microprocessor Chip

Secure Microprocessor Chip
XTAL1
XTAL2
RST
ALE
PROG
P0.7
P0.6
P0.5
P0.4
P0.3
P0.2
P0.1
P0.0
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
P2.7
P2.6
P2.5
P2.4
P2.3
P2.2
P2.1
P2.0
P3.7
P3.6
P3.5
P3.4
P3.3
P3.2
P3.1
P3.0
OSC
TIMING
AND
BUS
CONTROL
PORT 0
PORT 1
WATCHDOG
TIMER
ADDRESS/
DATA
ENCRYPTORS
4
BYTE- _{ADDRESS 16}
WIDE
BUS
INTERFACE DATA 8
4
R/W
CE1–CE4
BA0–BA14
BD0–BD7
PE1–PE4
SPECIAL
FUNCTION
REGISTERS
DATA REGISTERS
WITH ENHANCED
INDIRECT
ADDRESSING
(256 BYTES)
VECTOR
RAM
(48 BYTES)
ENCRYPTION
KEYS
POWER
MONITOR
SDI
V_CC
V_CCO
PF
VRST
V_LI
CPU
PORT 2
BOOTSTRAP
LOADER ROM
DS5003
PORT 3
TXD
RXD
TIMER 0
TIMER 1
INT0
INT1
Figure 8. Block Diagram
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