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UG-2828GFECF01 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 UG-2828GFECF01
기능 Evaluation Kit User Guide
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UG-2828GFECF01 데이터시트, 핀배열, 회로
悠景科技股份有限公司
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UG-2828GFECF01
Application note
Evaluation Kit User Guide
Writer: Simon. Lee
Email: simon_lee@univision.com.tw
Version: Preliminary




UG-2828GFECF01 pdf, 반도체, 판매, 대치품
悠景科技股份有限公司
Symbol define
D0-D8These pins are 9-bit bi-directional data bus to be connected to the MCUs data bus.
BS1,BS2,BS3These input pins are used to configure MCU interface selection by appropriate
logic setting, which is described in the following table. User can fixed these pins by jump (J3,
J4). Unlike BS0~2 are can control by hardware, BS3 is control by software command 0xA0
only.BS0 has already fixed to GND.
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Table 1 MCU Interface Selection Setting
E/RD#This pin is MCU interface input. When interfacing to a 6800-series microprocessor, this
pin will be used as the Enable (E) signal. Read/write operation is initiated when this pin is
pulled high and the chip is selected.
When connecting to an 8080-microprocessor, this pin receives the Read (RD) signal. Data
read operation is initiated when this pin is pulled low and the chip is selected. When serial
interface is selected, this pin E(RD) must be connected to VSS.
R/W#This pin is MCU interface input. When interfacing to a 6800-series microprocessor, this
pin will be used as Read/Write (R/W) selection input. Read mode will be carried out when this
pin is pulled high and write mode when low.
When 8080 interface mode is selected, this pin will be the Write (WR) input. Data write
operation is initiated when this pin is pulled low and the chip is selected. When serial interface
is selected, this pin R/W must be connected to VSS.

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UG-2828GFECF01 전자부품, 판매, 대치품
悠景科技股份有限公司
VDD = 2.4 to 3.5V, TA = -40 to 85°C
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Table 3 8080-Series MPU Parallel Interface Timing Characteristics
Figure 2 8080-series MPU parallel interface characteristics
NoteWhen 9 bit used: D0 ~ D8 instead.

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UG-2828GFECF01

Evaluation Kit User Guide

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