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ATAR890 PDF预览

ATAR890

更新时间: 2024-11-10 22:24:31
品牌 Logo 应用领域
爱特美尔 - ATMEL 微控制器无线通信
页数 文件大小 规格书
75页 728K
描述
Low-current Microcontroller for Wireless Communication

ATAR890 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SSOP, SSOP20,.25Reach Compliance Code:compliant
风险等级:5.81位大小:4
CPU系列:MARC4JESD-30 代码:R-PDSO-G20
JESD-609代码:e0端子数量:20
片上程序ROM宽度:8最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SSOP20,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
电源:2/6 V认证状态:Not Qualified
RAM(字节):128ROM(单词):2048
ROM可编程性:MROM速度:4 MHz
子类别:Microcontrollers最大压摆率:0.35 mA
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:0.635 mm
端子位置:DUALBase Number Matches:1

ATAR890 数据手册

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Features  
2-Kbyte ROM, 256 × 4-bit RAM  
12 Bi-directional I/Os  
Up to 6 External/Internal Interrupt Sources  
Multifunction Timer/Counter with  
– IR Remote Control Carrier Generator  
– Bi-phase-, Manchester- and Pulse-width Modulator and Demodulator  
Programmable System Clock with Prescaler and Five Different Clock Sources  
Wide Supply-voltage Range (1.8 V to 6.5 V)  
Very Low Sleep Current (< 1 µA)  
32 × 16-bit EEPROM (ATAR890 only)  
Low-current  
Microcontroller  
for Wireless  
Synchronous Serial Interface (2-wire, 3-wire)  
Watchdog, POR and Brown-out Function  
Voltage Monitoring Inclusive Lo_BAT Detection  
Flash Controller ATAM893 Available (SSO20)  
Description  
Communication  
The ATAR090 and ATAR890 are members of Atmel’s family of 4-bit single-chip micro-  
controllers. They offer the highest integration for IR and RF data communication and  
remote-control. The ATAR090 and ATAR890 are suitable for the transmitter side. They  
contain ROM, RAM, parallel I/O ports, two 8-bit programmable multifunction  
timer/counters with modulator and demodulator function, voltage supervisor, interval  
timer with watchdog function and a sophisticated on-chip clock generation with exter-  
nal clock input, integrated RC-, 32-kHz crystal- and 4-MHz crystal-oscillators. The  
ATAR890 has an additional EEPROM as a second chip in one package.  
ATAR090  
ATAR890  
Figure 1. Block Diagram  
VDD  
VSS  
OSC1  
OSC2  
Crystal  
External  
RC  
Brown-out protect  
RESET  
oscillators oscillators clock input  
Voltage monitor  
External input  
UTCM  
Clock management  
Timer 1  
interval- and  
watchdog timer  
VMI  
ROM  
RAM  
T2I  
Timer 2  
8/12-bit timer  
2 K x 8 bit  
256 x 4 bit  
T2O  
with modulator  
SD  
SC  
MARC4  
4-bit CPU core  
BP20/NTE  
BP21  
SSI  
Serial interface  
BP22  
I/O bus  
BP23  
Data direction +  
alternate function  
Data direction +  
interrupt control  
Port 4  
Port 5  
BP50  
INT6  
BP52  
INT1  
BP40  
BP42  
T2O  
INT3  
SC  
BP43  
INT3  
SD  
BP41  
VMI  
T2I  
BP53  
INT1  
BP51  
INT6  
Rev. 4696C–4BMCU–02/04  

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