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DS89C420-MCL PDF预览

DS89C420-MCL

更新时间: 2024-12-01 04:15:19
品牌 Logo 应用领域
美信 - MAXIM 微控制器和处理器光电二极管
页数 文件大小 规格书
58页 670K
描述
Ultra-High-Speed Microcontroller

DS89C420-MCL 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:PLASTIC, DIP-40
针数:40Reach Compliance Code:not_compliant
ECCN代码:3A991.A.2HTS代码:8542.31.00.01
风险等级:5.73Is Samacsys:N
具有ADC:NO地址总线宽度:16
位大小:8CPU系列:8051
最大时钟频率:33 MHzDAC 通道:NO
DMA 通道:NO外部数据总线宽度:8
JESD-30 代码:R-PDIP-T40JESD-609代码:e0
长度:52.075 mmI/O 线路数量:32
端子数量:40最高工作温度:70 °C
最低工作温度:PWM 通道:NO
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP40,.6封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):240
电源:5 V认证状态:Not Qualified
RAM(字节):1024ROM(单词):16384
ROM可编程性:FLASH座面最大高度:5.08 mm
速度:33 MHz子类别:Microcontrollers
最大压摆率:150 mA最大供电电压:5.5 V
最小供电电压:4.5 V标称供电电压:5 V
表面贴装:NO技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:20
宽度:15.24 mmuPs/uCs/外围集成电路类型:MICROCONTROLLER
Base Number Matches:1

DS89C420-MCL 数据手册

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DS89C420  
Ultra-High-Speed Microcontroller  
www.maxim-ic.com  
FEATURES  
PIN ASSIGNMENT (Top View)  
§ 80C52 compatible  
P1.0/T2  
P1.1/T2EX  
P1.2/RXD1  
P1.3/TXD1  
P1.4/INT2  
P1.5/INT3  
P1.6/INT4  
P1.7/INT5  
RST  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
VCC  
P0.0  
P0.1  
P0.2  
P0.3  
P0.4  
P0.5  
P0.6  
P0.7  
EA/VPP  
ALE/PROG  
PSEN  
P2.7  
- 8051 pin and instruction-set compatible  
- Four bidirectional I/O ports  
- Three 16-bit timer counters  
- 256 bytes scratchpad RAM  
§ On-chip memory  
P3.0/RXD0  
P3.1/TXD0  
P3.2/INT0  
P3.3/INT1  
P3.4/T0  
DS89C420  
- 16kB flash memory  
- In-system programmable through serial  
port  
P2.6  
P2.5  
P3.5/T1  
- 1kB SRAM for MOVX  
P3.6/WR  
P3.7/RD  
P2.4  
P2.3  
§ ROMSIZE feature  
XTAL2  
XTAL1  
P2.2  
P2.1  
- Selects internal program memory size from  
0 to 16k  
VSS  
P2.0  
40-Pin DIP  
- Allows access to entire external memory  
map  
6
1
40  
- Dynamically adjustable by software  
7
39  
§ High-speed architecture  
- 1 clock-per-machine cycle  
- DC to 33MHz operation  
DS89C420  
- Single-cycle instruction in 30ns  
- Optional variable length MOVX to access  
fast/slow peripherals  
- Dual data pointers with auto  
increment/decrement and toggle select  
- Supports four paged modes  
17  
29  
18  
33  
28  
23  
44-Pin PLCC  
§ Power Management Mode  
- Programmable clock divider  
- Automatic hardware and software exit  
§ Two full-duplex serial ports  
§ Programmable watchdog timer  
§ 13 interrupt sources (six external)  
§ Five levels of interrupt priority  
§ Power-fail reset  
34  
44  
22  
12  
DS89C420  
§ Early warning power-fail interrupt  
1
11  
44-Pin TQFP  
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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