參數(shù)資料
型號(hào)： DS5000FP
廠商： DALLAS SEMICONDUCTOR
元件分類： 微控制器/微處理器
英文描述： Soft Microprocessor Chip(軟件微控制器芯片)
中文描述： 8-BIT, MICROCONTROLLER, PQFP80
文件頁(yè)數(shù)： 1/22頁(yè)
文件大小： 205K
代理商： DS5000FP
DS5000FP
Soft Microprocessor Chip
DS5000FP
021998 1/22
FEATURES
8051 compatible microprocessor adapts to its task
– Accesses between 8K and 64K bytes of nonvol-
atile 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
Crashproof 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 ASSIGNMENT
P3.6/WR
P3.5/T1
NC
P3.7/RD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 26 2728293031
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
80 79 787776
74
75
7372717069 686766 65
3233343536 373839
DS5000FP
P2.6/A14
NC
BD3
P2.5/A13
BD2
P2.4/A12
BD1
P2.3/A11
BD0
VLI
GND
GND
P2.2/A10
P2.1/A9
P2.0/A8
XTAL1
XTAL2
P3.4/T0
P0.4/NC
BA9
P0.3/AD3
BA8
P0.2/AD2
BA13
P0.1/AD1
R/W
P0.0/AD0
VCC0
VCC
VCC
P1.0
BA14
P1.1
BA12
P1.2
BA7
PNC
NC
BA6
P
B
P
B
P
B
P
B
R
B
P
B
P
P
P
B
P
C
P
B
P
C
E
B
A
B
P
B
P
B
NC
N
N
DESCRIPTION
The DS5000FP is an 8051 compatible processor based
on nonvolatile RAM technology. It is substantially more
flexible than a standard 8051, yet provides full compati-
bility with the 8051 instruction set, timers, serial port,
and parallel I/O ports. By using NV RAM instead of
ROM, the user can program, then reprogram the micro-
controller while in–system. The application software
can even change its own operation. This allows frequent
software upgrades, adaptive programs, customized
systems, etc. In addition, by using NV SRAM, the
DS5000FP is ideal for data logging applications. It con-
nects easily to a Dallas Real Time Clock for time stamp
and date.
The DS5000FP provides the benefits of NV RAM with-
out using I/O resources. It uses a non–multiplexed
Byte–wide address and data bus for memory access.
This bus can perform all memory access and provides
decoded chip enables for SRAM. This leaves the 32 I/O
port pins free for application use. The DS5000FP uses
ordinary SRAM and battery backs the memory contents
with a user’s external lithium cell. Data is maintained for
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS5000FP_05 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Soft Microprocessor Chip
DS5000FP_1 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Soft Microprocessor Chip
DS5000FP+16 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Soft Microprocessor Chip
DS5000FP-08 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
DS5000FP-12 功能描述:8位微控制器 -MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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