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AT87F55WD-24AI PDF预览

AT87F55WD-24AI

更新时间: 2024-11-24 03:04:47
品牌 Logo 应用领域
爱特美尔 - ATMEL 微控制器和处理器外围集成电路可编程只读存储器时钟
页数 文件大小 规格书
26页 235K
描述
8-bit Microcontroller with 20K Bytes QuickFlash⑩

AT87F55WD-24AI 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFP包装说明:TQFP, TQFP44,.47SQ,32
针数:44Reach Compliance Code:unknown
HTS代码:8542.31.00.01风险等级:5.48
具有ADC:NO地址总线宽度:16
位大小:8CPU系列:8051
最大时钟频率:24 MHzDAC 通道:NO
DMA 通道:NO外部数据总线宽度:8
JESD-30 代码:S-PQFP-G44JESD-609代码:e0
长度:10 mmI/O 线路数量:32
端子数量:44最高工作温度:85 °C
最低工作温度:-40 °CPWM 通道:NO
封装主体材料:PLASTIC/EPOXY封装代码:TQFP
封装等效代码:TQFP44,.47SQ,32封装形状:SQUARE
封装形式:FLATPACK, THIN PROFILE峰值回流温度(摄氏度):240
电源:5 V认证状态:Not Qualified
RAM(字节):256ROM(单词):20480
ROM可编程性:OTPROM座面最大高度:1.2 mm
速度:24 MHz子类别:Microcontrollers
最大压摆率:25 mA最大供电电压:5.5 V
最小供电电压:4 V标称供电电压:5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.8 mm
端子位置:QUAD处于峰值回流温度下的最长时间:30
宽度:10 mmuPs/uCs/外围集成电路类型:MICROCONTROLLER
Base Number Matches:1

AT87F55WD-24AI 数据手册

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Features  
Compatible with MCS-51Products  
20K Bytes of One-time Programmable QuickFlash Memory  
4V to 5.5V Operating Range  
Fully Static Operation: 0 Hz to 33 MHz  
Three-level Program Memory Lock  
256 x 8-bit Internal RAM  
32 Programmable I/O Lines  
Three 16-bit Timer/Counters  
Eight Interrupt Sources  
Programmable Serial Channel  
Low-power Idle and Power-down Modes  
Interrupt Recovery from Power-down Mode  
Hardware Watchdog Timer  
8-bit  
Microcontroller  
with 20K Bytes  
QuickFlash™  
Dual Data Pointer  
Power-off Flag  
Description  
The AT87F55WD is a low-power, high-performance CMOS 8-bit microcomputer with  
20K bytes of QuickFlash one-time programmable (OTP) read only memory and 256  
bytes of RAM. The device is manufactured using Atmel’s high-density nonvolatile  
memory technology and is compatible with the industry standard 80C51 and 80C52  
instruction set and pinout. The on-chip QuickFlash allows the program memory to be  
user programmed by a conventional nonvolatile memory programmer. By combining a  
versatile 8-bit CPU with QuickFlash on a monolithic chip, the Atmel AT87F55WD is a  
powerful microcomputer which provides a highly-flexible and cost-effective solution to  
many embedded control applications.  
AT87F55WD  
Pin Configurations  
PDIP  
TQFP  
(T2) P1.0  
(T2EX) P1.1  
P1.2  
1
2
3
4
5
6
7
8
9
40 VCC  
39 P0.0 (AD0)  
38 P0.1 (AD1)  
37 P0.2 (AD2)  
36 P0.3 (AD3)  
35 P0.4 (AD4)  
34 P0.5 (AD5)  
33 P0.6 (AD6)  
32 P0.7 (AD7)  
31 EA/VPP  
P1.3  
P1.4  
P1.5  
P1.6  
P1.7  
P1.5  
P1.6  
1
2
3
4
5
6
7
8
9
33 P0.4 (AD4)  
32 P0.5 (AD5)  
31 P0.6 (AD6)  
30 P0.7 (AD7)  
29 EA/VPP  
RST  
(RXD) P3.0 10  
(TXD) P3.1 11  
(INT0) P3.2 12  
(INT1) P3.3 13  
(T0) P3.4 14  
(T1) P3.5 15  
(WR) P3.6 16  
(RD) P3.7 17  
XTAL2 18  
30 ALE/PROG  
29 PSEN  
P1.7  
RST  
28 P2.7 (A15)  
27 P2.6 (A14)  
26 P2.5 (A13)  
25 P2.4 (A12)  
24 P2.3 (A11)  
23 P2.2 (A10)  
22 P2.1 (A9)  
21 P2.0 (A8)  
(RXD) P3.0  
NC  
28 NC  
(TXD) P3.1  
(INT0) P3.2  
(INT1) P3.3  
27 ALE/PROG  
26 PSEN  
25 P2.7 (A15)  
24 P2.6 (A14)  
23 P2.5 (A13)  
(T0) P3.4 10  
(T1) P3.5 11  
XTAL1 19  
GND 20  
PLCC  
P1.5  
P1.6  
P1.7  
7
8
9
39 P0.4 (AD4)  
38 P0.5 (AD5)  
37 P0.6 (AD6)  
36 P0.7 (AD7)  
35 EA/VPP  
34 NC  
RST 10  
(RXD) P3.0 11  
NC 12  
(TXD) P3.1 13  
(INT0) P3.2 14  
(INT1) P3.3 15  
(T0) P3.4 16  
(T1) P3.5 17  
33 ALE/PROG  
32 PSEN  
31 P2.7 (A15)  
30 P2.6 (A14)  
29 P2.5 (A13)  
Rev. 1918A–08/00  

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