參數(shù)資料
型號(hào): W78C052D40DL
廠商: WINBOND ELECTRONICS CORP
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PDIP40
封裝: ROHS COMPLIANT, DIP-40
文件頁(yè)數(shù): 5/21頁(yè)
文件大?。?/td> 280K
代理商: W78C052D40DL
W78C52D/W78C052D
Publication Release Date: December 4, 2006
- 5 -
Revision A5
PSEN
Program Store Enable Output, active low.
PSEN
enables the external ROM onto the Port 0
address/data bus during fetch and MOVC operations.
PSEN
goes to a high impedance state during
reset with a weak pull-up.
XTAL1
Crystal 1. This is the crystal oscillator input. This pin may be driven by an external clock.
XTAL2
Crystal 2. This is the crystal oscillator output. It is the inversion of XTAL1.
V
SS
, V
DD
Power Supplies. These are the chip ground and positive supplies.
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