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38K2 Scheda tecnica(PDF) 33 Page - Renesas Technology Corp

Il numero della parte 38K2
Spiegazioni elettronici  RENESAS 8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES
PDF  358 Pages
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Produttore elettronici  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

38K2 Scheda tecnica(HTML) 33 Page - Renesas Technology Corp

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FUNCTIONAL DESCRIPTION
Rev.2.00
Oct 15, 2006
page 14 of 130
38K2 Group
REJ09B0338-0200
HARDWARE
Fig. 10 Port block diagram (1)
(4) Ports P30–P32
(1) Port P0
Data bus
Port latch
Key-on wake-up input
Pull-up control bit
(5) Port P33
EXINT output
(6) Ports P34, P35, P36, P37
EXCS(P34)
EXWR(P35)
EXRD(P36)
EXA0(P37)
(2) Port P1
Analog input pin selection bit
A/D conversion input
EXOE
External bus interface enable bit
Output buffer
Input buffer
(3) Port P2
Direction register
EXB data output
EXB data input
VCCE
VCCE
VCCE
VCCE
Data bus
Port latch
Direction register
Data bus
Port latch
Direction register
Data bus
Port latch
Direction register
External bus interface enable bit
Port latch
Data bus
Direction register
External bus interface enable bit
External bus interface enable bit
Data bus
Port latch
Direction register



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