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DS5000FP+16 Datasheet

  • DS5000FP+16

  • Soft Microprocessor Chip

  • 434.50KB

  • 22頁(yè)

  • DALLAS   DALLAS

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DS5000FP
Soft Microprocessor Chip
www.maxim-ic.com
FEATURES
摟
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
PIN CONFIGURATION
TOP VIEW
BA11
P0.5/AD5
CE2
P0.6/AD6
BA10
P0.7/AD7
CE1
EA
N.C.
BD7
ALE
BD6
PSEN
BD5
P2.7/A15
BD4
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
64
1
2
63
3
62
4
61
5
60
6
59
7
58
8
57
9
56
10
55
11
54
12
53
13
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
摟
DS5000FP
摟
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
摟
ORDERING INFORMATION
PART
DS5000FP-16
DS5000FP+16
TEMP RANGE
0擄C to +70擄C
0擄C to +70擄C
MAX CLOCK
SPEED (MHz)
16
16
This data sheet must be used in conjunction with the
Secure
Microcontroller User鈥檚 Guide,
which contains operating information.
This data sheet provides ordering information, pinout, and electrical
specifications. Download the Secure Microcontroller User鈥檚 Guide
at
www.maxim-ic.com/microcontrollers.
PIN-PACKAGE
80 QFP
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.
1 of 22
P1.4
BA5
P1.5
BA4
P1.6
BA3
P1.7
N.C.
BA2
RST
BA1
P3.0/RXD
BA0
P3.1/TXD
P3.2/INT0
P3.3/INT1
QFP
REV: 070605

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