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GMS37140T-DT 参数 Datasheet PDF下载

GMS37140T-DT图片预览
型号: GMS37140T-DT
PDF下载: 下载PDF文件 查看货源
内容描述: [Microcontroller, 4-Bit, OTPROM, 4MHz, CMOS, PDSO24, 0.300 INCH, SOP-24]
分类和应用: 计算机
文件页数/大小: 109 页 / 782 K
品牌: HYNIX [ HYNIX SEMICONDUCTOR ]
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Chapter 1. GMS36XXX  
Pin Description  
Pin  
I/O  
Function  
VDD  
-
Connected to 2.0~ 3.6V power supply  
GND  
-
Connected to 0V power supply.  
4-bit input port with built in pull-up resistor.  
Input  
K0 ~ K3  
STOP mode is released by "L" input of each pin.(masked option)  
Each can be set and reset independently.  
D0 ~ D9  
R0 ~ R3  
Output  
I/O  
The output is the structure of N-channel-open-drain.  
4-bit I/O port. (Input mode is set only when each of them output "H".)  
In outputting, each can be set and reset independently(or at once.)  
The output is in the form of C-MOS.  
Pull-up resistor and STOP release mode can be respectively selected  
as masked option for each pin. (It is released by ‘’L’’ input at STOP.)  
Oscillator input. Input to the oscillator circuit and connection point for  
ceramic resonator.  
OSC1  
Input  
Internal capacitors available at kHz version.  
A feedback resistor is internally connected between this pin and  
OSC2.  
Connect a resonator between this pin and OSC1.  
OSC2  
Output  
Output  
High current output port driving I.R. LED.  
REMOUT  
The output is in the form of N-channel-open-drain.  
High current Tr. ground pin. (connected to GND)  
PGND  
-
High current output Tr. is connected between this pin and  
REMOUT.  
1-4  
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