参数资料
型号: M34506M2-XXXFP
元件分类: 微控制器/微处理器
英文描述: 4-BIT, MROM, MICROCONTROLLER, PDSO20
封装: 5.30 X 12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20
文件页数: 66/114页
文件大小: 836K
代理商: M34506M2-XXXFP
3
3-4
ADDRESS SPACE
32180 Group User’s Manual (Rev.1.0)
3.2 Operation Modes
The microcomputer is placed in one of the following modes depending on how CPU operation mode is set by
MOD0 and MOD1 pins. The operation mode used for rewriting the internal flash memory is described separately
in Section 6.5, “Programming the Internal Flash Memory.”
Table 3.2.1 Operation Mode Settings
MOD0
MOD1
Operation mode (Note 2)
VSS
Single-chip mode
VSS
VCCE
External extension mode
VCCE
VSS
Processor mode (FP = VSS)
VCCE
Reserved (use inhibited)
Note 1: Connect VCCE and VSS to the VCCE input power supply and ground, respectively.
Note 2: For the operation mode used to rewrite the internal flash memory (FP = VCCE) which is not shown in the above
table, see Section 6.5, “Programming the Internal Flash Memory.”
The internal ROM and extended external areas are located differently depending on how operation mode is set.
(All other areas in the address space are located the same way.) The diagram below shows how the internal ROM
and extended external areas are mapped into the address space in each operation mode. (For flash rewrite mode,
see Section 6.5, “Programming the Internal Flash Memory.”)
3.2 Operation Modes
Figure 3.2.1 Internal ROM and Extended External Area Address Mapping of the M32180F8 in Each Operation Mode
CS0 area
CS1 area
CS2 area
CS3 area
CS1 area
CS2 area
CS3 area
<Single-chip mode>
<External extension mode>
<Processor mode>
Non-CS0 area
Extended
e
xter
nal
area
Extended
e
xter
nal
area
H'0000 0000
H'000F FFFF
H'0010 0000
H'001F FFFF
H'0020 0000
H'003F FFFF
H'0040 0000
H'005F FFFF
H'007F FFFF
H'0060 0000
Internal
ROM area
(1 Mbytes)
Internal
ROM area
(1 Mbytes)
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