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HD6433644R Datasheet(PDF) 71 Page - Renesas Technology Corp

Part # HD6433644R
Description  8-Bit Single-Chip Microcomputer
PDF  549 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6433644R Datasheet(HTML) 71 Page - Renesas Technology Corp

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Section 2 CPU
Rev. 6.00 Sep 12, 2006 page 51 of 526
REJ09B0326-0600
Interrupt vector area
(48 bytes)
On-chip ROM
On-chip RAM
Internal I/O registers
(96 bytes)
Internal I/O registers
(16 bytes)
Reserved
1,024 bytes
H'0000
H'002F
H'0030
H'7FFF
H'F770
H'F77F
H'FB80
H'FF7F
H'FF80
H'FF9F
H'FFA0
H'FFFF
Word
Byte
Access
States
2 or 3*
2
——
—
——
3*
2
———
×
—
Reserved
Reserved
Notes: The H8/3644 is shown as an example.
* Internal I/O registers in areas assigned to timer X (H'F770 to H'F77F),
SCI3 (H'FFA8 to H'FFAD), and timer V (H'FFB8 to H'FFBD) are accessed in three
states.
×
Figure 2.17 Data Size and Number of States for Access to and from
On-Chip Peripheral Modules



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