super_star

NES game cartridge_UNROM512

Overview

CC-BY-NC 3.0 protocol, NC=not for commercial use

illustrate

UNROM is a type of cassette designed for NES, which is the American version of FC. After modification, it can use AVRCIC, making it easier to use.

Components used to make a UNROM

Attiny13

SN74LS377N

SN74LS32N x2

SN74LS139( optional )

UNROM 512 SinzoMOD VA1 or original UNROM512

39SF040

UT6264

104 monolithic capacitor x5

3mmLED

470k resistor

Design Files

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2025-05-07 12:15:12

There is a jump of 0.4 in the middle temperature range. Isn't it inaccurate?
[font=Tahoma,]Regarding thermistors, when controlling, there is a 0.4° increment from 20° to 40°? What is going on? Is there a way to change it to a 0.1° increment? [/font] [font=Tahoma,]To add, I use
LCD display is blurry
When controlling the LCD display, sometimes the display is clear. But sometimes the characters are blurry. I think it is a problem with my program control. What are the possible causes of this phenome
Ask about DSL Forum TR-064
Is DSL Forum TR-064 a standard or a protocol? How should I start if I want to engage in development in this area? I would like to ask the experts for advice.
Easy Power Learning Experience
[font=黑体][size=4]I think that after the "Easy Power Supply" power module modularizes the power supply, it is very convenient to design a reliable power supply, reduce external components as much as po
ucosii task switching help
I just came into contact with ucosii and encountered a problem: I designed 3 tasks: Task A, Task B, Task C, with priorities 5, 6, and 7 respectively; Each task waits for OSSemPend; after running, OSSe
How to solve the problem of many mosquitoes at night?
As the title says,,, in open air

Datasheet More

Circuits More