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PDF MG87FEL52 Data sheet ( Hoja de datos )
| Número de pieza | MG87FEL52 | |
| Descripción | 8051-Based MCU | |
| Fabricantes | Megawin Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MG87FEL52 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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8051-Based MCU
MG87FEL52
Data Sheet
Version: A1.0
This document contains information on a new product under development by Megawin. Megawin reserves the right to change or
discontinue this product without notice.
Megawin Technology Co., Ltd. 2012 All rights reserved.
2014/03 version A1.0
1 page  
MEGAWIN
MG87FEL52A Data Sheet
5
5 Page 
P3.4 and P3.5 also act as event sources for
timer0 and timer1 individually, alias T0 and T1.
P3.6 also acts as write signal while access to
external memory, alias /WR.
P3.7 also acts as read signal while access to
external memory, alias /RD.
P4.0
P4.1
P4.2 (/INT3)
23 17 BU Port4 is extended I/O ports such like Port1. It can
34 28
1 39
be available only on 44L-PLCC and 44L-PQFP
package.
P4.3 (/INT2)
12 6
RESET
9 10 4 IS A high on this pin for at least two machine cycles
will reset the device.
ALE 30 33 27 O Output pulse for latching the low byte of address
during accesses to external memory.
/PSEN
29 32 26 O The read strobe to external program memory, low
active.
/EA 31 35 29 I EA must be kept at low to enable the device to
fetch program code from external flash memory.
An internal pull-up resistance has been
embedded in this pin.
XTAL1
19 21 15 I Input to the inverting oscillator amplifier.
XTAL2
18 20 14 O Output from the inverting amplifier.
VDD
40 44 38 P Power Supply
VSS
20 22 16 G Ground
MEGAWIN
MG87FEL52A Data Sheet
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MG87FEL52.PDF ] | |
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