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Bit 31—Endian Flag (ENDIAN): Samples the value of the endian specification external pin
(MD5) in a power-on reset by means of the
determined by this bit. ENDIAN is a read-only bit.
Bit 31: ENDIAN
0
1
Bit 30—Master/Slave Flag (MASTER): Samples the value of the master/slave specification
external pin (MD7) in a power-on reset by means of the
spaces is determined by this bit. MASTER is a read-only bit.
Bit 30: MASTER
0
1
Bit 29—Area 0 Memory Type (A0MPX): Samples the value of the area 0 memory type
specification external pin (MD6) in a power-on reset by means of the
type of area 0 is determined by this bit. A0MPX is a read-only bit.
Bit 29: A0MPX
0
1
Bits 28, 27, 23, 22, 18, and 1—Reserved: These bits are always read as 0, and the write value
should always be 0.
Bit 26—Data pin Pullup Resistor Control (DPUP): Controls the pullup resistance of the data
pins (D31 to D0). It is initialized at a power-on reset. The pins are not pulled up when access is
performed or when the bus is released, even if the ON setting is selected.
Bit 26: DPUP
0
1
Description
In a power-on reset, the endian setting external pin (MD5) is low,
designating big-endian mode for the SH7751 Series
In a power-on reset, the endian setting external pin (MD5) is high,
designating little-endian mode for the SH7751 Series
Description
In a power-on reset, the master/slave setting external pin (MD7) is high,
designating master mode for the SH7751 Series
In a power-on reset, the master/slave setting external pin (MD7) is low,
designating slave mode for the SH7751 Series
Description
In a power-on reset, the external pin specifying the area 0 memory type
(MD6) is high, designating the area 0 as SRAM interface
In a power-on reset, the external pin specifying the area 0 memory type
(MD6) is low, designating the area 0 as MPX interface
Description
Sets pullup resistance of data pins (D31 to D0) ON
Sets pullup resistance of data pins (D31 to D0) OFF
pin. The endian mode of all spaces is
pin. The master/slave status of all
Rev. 3.0, 04/02, page 319 of 1064
pin. The memory
(Initial value)
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