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UPD68MC-XXX-5A4-A

更新时间： 2024-10-14 15:56:11
品牌 Logo 应用领域
日电电子 - NEC 可编程只读存储器时钟微控制器光电二极管外围集成电路
页数 文件大小 规格书
72页 533K
描述
Microcontroller, 4-Bit, OTPROM, 4.5MHz, MOS, PDSO20, 0.300 INCH, PLASTIC, SSOP-20

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UPD68MC-XXX-5A4-A 数据手册

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DATA SHEET  
MOS INTEGRATED CIRCUIT  
µPD67, 67A, 68, 68A, 69  
4-BIT SINGLE-CHIP MICROCONTROLLER  
FOR INFRARED REMOTE CONTROL TRANSMISSION  
DESCRIPTION  
With their 2.0 V low-voltage operation, carrier generator for infrared remote control transmission, standby release  
function through key input, and programmable timer, the µPD67, 67A, 68, 68A, and 69 are ideal for infrared remote  
control transmitters.  
A one-time PROM product, the µPD6P9, has also been provided for the µPD67, 67A, 68, 68A, and 69 for program  
evaluation or small-quantity production.  
FEATURES  
• Program memory (ROM)  
• µPD67, 67A: 1,002 × 10 bits  
• µPD68, 68A: 2,026 × 10 bits  
• µPD69:  
4,074 × 10 bits  
• Data memory (RAM)  
• µPD67, 67A, 68, 68A: 32 × 4 bits  
• µPD69:  
128 × 4 bits  
• On-chip carrier generator for infrared remote control: Each high-/low-level width can be set from 250 ns to 64  
µs (@ fX = 4 MHz operation) via modulo registers  
• 9-bit programmable timer: 1 channel  
• Instruction execution time: 16 µs (@ fX = 4 MHz operation: ceramic oscillation)  
• Stack level:  
1 level (Stack RAM is multiplexed with data memory RF.)  
• I/O pins (KI/O):  
8
4
• Input pins (KI):  
• Sense input pins (S0, S2): 2  
• S1/LED pin (I/O):  
• Power supply voltage:  
1 (when in output mode, this is the remote control transmission display pin)  
VDD = 2.0 to 3.6 V  
• Operating ambient temperature: TA = –40 to +85°C  
• Oscillator frequency: fX = 3.5 to 4.5 MHz  
• On-chip POC circuit and RAM retention detector  
• Capacitor for oscillator: 15 pF (mask option)  
APPLICATIONS  
Infrared remote control transmitters (for AV and household electric appliances)  
The information in this document is subject to change without notice. Before using this document, please  
confirm that this is the latest version.  
Not all devices/types available in every country. Please check with local NEC representative for  
availability and additional information.  
Document No. U14935EJ2V0DS00 (2nd edition)  
Date Published May 2002 N CP(K)  
Printed in Japan  
The mark shows major revised points.  
2000  
©
1234567...72

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