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7643 Datasheet(PDF) 16 Page - Renesas Technology Corp

Part # 7643
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PDF  121 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7643 Datasheet(HTML) 16 Page - Renesas Technology Corp

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7643 Group
Rev.2.00
Aug 28, 2006
page 16 of 119
REJ03B0054-0200
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



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