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7643 Datasheet(PDF) 34 Page - Renesas Technology Corp

Part # 7643
Description  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  424 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7643 Datasheet(HTML) 34 Page - Renesas Technology Corp

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Rev.2.00
Aug 28, 2006
page 17 of 103
7643 Group
REJ09B0133-0200
OVERVIEW
Fig. 12 Port block diagram (1)
(1) Ports P0, P1, P3
Data bus
Direction
register
Port latch
(3) Port P40
Data bus
Direction
register
Port latch
Expanded data
memory access bit
EDMA signal
(5) Ports P43, P44
(2) Port P2
Data bus
Direction
register
Port latch
P2 pull-up
Key interrupt input
(4) Ports P41, P42
Data bus
Direction
register
Port latch
Sub-clock (XCIN-XCOUT) stop bit
INT0, INT1 interrupt input
(6) Port P50
Data bus
Direction
register
Port latch
XCIN input
Data bus
Direction
register
Port latch
FUNCTIONAL DESCRIPTION



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