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DS5001FP-16 fiches techniques PDF

Dallas Semiconducotr - 128k Soft Microprocessor Chip

Numéro de référence DS5001FP-16
Description 128k Soft Microprocessor Chip
Fabricant Dallas Semiconducotr 
Logo Dallas Semiconducotr 





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DS5001FP-16 fiche technique
DS5001FP
128k Soft Microprocessor Chip
www.maxim-ic.com
FEATURES
§ 8051-compatible microprocessor adapts to its
task
– Accesses up to 128kB of nonvolatile
SRAM
– In-system programming through on-chip
serial port
– Can modify its own program or data
memory
– Accesses memory on a separate byte-wide
bus
– Performs CRC-16 check of NV RAM
memory
– Decodes memory and peripheral chip
enables
§ High-reliability operation
– Maintains all nonvolatile resources for
over 10 years
– Power-fail reset
– Early warning power-fail interrupt
– Watchdog timer
– Lithium backs user SRAM for
program/data storage
– Precision bandgap reference for power
monitor
§ Fully 8051-compatible
– 128kB scratchpad RAM
– Two timer/counters
– On-chip serial port
– 32 parallel I/O port pins
§ Software security available with DS5002FP
secure microprocessor
PIN ASSIGNMENT (Top View)
P0.4AD4
CE2
PE2
BA9
P0.3/AD3
BA8
P0.2/AD2
BA13
P0.1/AD1
R/W
P0.0/AD0
VCC0
VCC
MSEL
P1.0
BA14
P1.1
BA12
P1.2
BA7
P1.3
PE3
PE4
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
10
DS5001FP
56
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
P2.6/A14
CE3
CE4
BD3
P2.5/A13
BD2
P2.4/A12
BD1
P2.3/A11
BD0
VLI
BA15
GND
P2.2/A10
P2.1/A9
P2.0/A8
XTAL1
XTAL2
P3.7/RD
P3.6/WR
P3.5/TI
PF
VRST
P3.4/T0
80-Pin MQFP
44-Pin MQFP
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: http://www.maxim-ic.com/errata.
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