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38K2 Fiches technique(PDF) 13 Page - Renesas Technology Corp

No de pièce 38K2
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PDF  151 Pages
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Fabricant  RENESAS [Renesas Technology Corp]
Site Internet  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

38K2 Fiches technique(HTML) 13 Page - Renesas Technology Corp

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38K2 Group
Rev.3.00
Oct 15, 2006
page 13 of 147
REJ03B0193-0300
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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