DS5000FP_05 Datasheet, PDF (1/22 Pages) Dallas Semiconductor – Soft Microprocessor Chip

DS5000FP
Soft Microprocessor Chip
www.maxim-ic.com
FEATURES
8051-Compatible Microprocessor Adapts
to Its Task
− Accesses between 8kB and 64kB of
nonvolatile SRAM
− In-system programming via on-chip serial
port
− Can modify its own program or data
memory
− Accesses memory on a separate byte-wide
bus
Crash-Proof Operation
− Maintains all nonvolatile resources for
over 10 years
− Power-fail Reset
− Early Warning Power-fail Interrupt
− Watchdog Timer
− User-supplied lithium battery backs user
SRAM for program/data storage
Software Security
− Executes encrypted programs to prevent
observation
− Security lock prevents download
− Unlocking destroys contents
Fully 8051 Compatible
− 128 bytes scratchpad RAM
− Two timer/counters
− On-chip serial port
− 32 parallel I/O port pins
ORDERING INFORMATION
PIN CONFIGURATION
TOP VIEW
P0.4/AD4
N.C.
N.C.
BA9
P0.3/AD3
BA8
P0.2/AD2
BA13
P0.1/AD1
R/W
P0.0/AD0
V_CC0
V_CC
V_CC
P1.0
BA14
P1.1
BA12
P1.2
BA7
P1.3
N.C.
N.C.
BA6
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
1
64
2
63
3
62
4
61
5
60
6
59
7
58
8
57
9
56
10
55
11
54
12
13
DS5000FP
53
52
14
51
15
50
16
49
17
48
18
47
19
46
20
45
21
44
22
43
23
42
24
41
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
P2.6/A14
N.C.
N.C.
BD3
P2.5/A13
BD2
P2.4/A12
BD1
P2.3/A11
BD0
V_LI
GND
GND
P2.2/A10
P2.1/A9
P2.0/A8
XTAL1
XTAL2
P3.7/RD
P3.6/WR
P3.5/T1
N.C.
N.C.
P3.4/T0
QFP
This data sheet must be used in conjunction with the Secure
Microcontroller User’s Guide, which contains operating information.
This data sheet provides ordering information, pinout, and electrical
specifications. Download the Secure Microcontroller User’s Guide
at www.maxim-ic.com/microcontrollers.
PART
TEMP RANGE
MAX CLOCK
SPEED (MHz)
PIN-
PACKAGE
DS5000FP-16 0°C to +70°C
16
80 QFP
DS5000FP-16+ 0°C to +70°C
16
80 QFP
+ Denotes a Pb-free/RoHS-compliant device.
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.
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REV: 070605