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H8SX1663 数据表(PDF) 117 Page - Renesas Technology Corp

部件名 H8SX1663
功能描述  Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series
PDF  1158 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

H8SX1663 数据表(HTML) 117 Page - Renesas Technology Corp

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Section 3 MCU Operating Modes
Rev.1.00 Jun. 07, 2006 Page 65 of 1102
REJ09B0294-0100
Section 3 MCU Operating Modes
3.1
Operating Mode Selection
This LSI has five operating modes (modes 2, 4, 5, 6, and 7). The operating mode is selected by the
setting of mode pins MD2 to MD0. The setting of mode pin MD3 determines whether the various
operating modes are with the SDRAM interface enabled or disabled. Table 3.1 lists MCU
operating mode settings.
Table 3.1
MCU Operating Mode Settings
External Data
Bus Width
MCU
Operating
Mode
MD2
MD1
MD0
CPU
Operating
Mode
Address
Space
LSI Initiation
Mode
On-Chip
ROM
Default Max.
2
0
1
0
Advanced
16 Mbytes Boot mode
Enabled
8 bits
16 bits
4
1
0
0
Disabled
16 bits
16 bits
5
1
0
1
On-chip ROM
disabled extended
mode
Disabled
8 bits
16 bits
6
1
1
0
On-chip ROM
enabled extended
mode
Enabled
8 bits
16 bits
7
1
1
1
Single-chip mode
Enabled
8 bits
16 bits
Table 3.2
SDRAM Interface Selection for MCU Operating Mode
MD3
SDRAM Interface
0
Disabled
1
Enabled
In this LSI, an advanced mode as the CPU operating mode and a 16-Mbyte address space are
available. The initial external bus widths are eight or 16 bits. As the LSI initiation mode, the
external extended mode, on-chip ROM initiation mode, or single-chip initiation mode can be
selected.
Mode 2 is the boot mode in which the flash memory can be programmed and erased. For details
on the boot mode, see section 21, Flash Memory (0.18-
µm F-ZTAT Version).



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