參數(shù)資料
型號: μPD784035
廠商: NEC Corp.
英文描述: 8/16 Bit Single Chip Microcontrollers(8/16 位微控制器)
中文描述: 8 / 16位單片機微控制器(8 / 16位微控制器)
文件頁數(shù): 20/98頁
文件大?。?/td> 650K
代理商: ΜPD784035
μ
PD784035, 784036, 784037, 784038
20
7. CPU ARCHITECTURE
7.1 Memory Space
A 1M-byte memory space can be accessed. By using a LOCATION instruction, the mode for mapping internal
data areas (special function registers and internal RAM) can be selected. A LOCATION instruction must always be
executed after a reset, and can be used only once.
(1) When the LOCATION 0 instruction is executed
Internal memory
The table below indicates the internal data areas and internal ROM areas of each product.
Caution The following internal ROM areas, existing at the same addresses as the internal data areas,
cannot be used when the LOCATION 0 instruction is executed:
External memory
External memory is accessed in external memory expansion mode.
(2) When the LOCATION 0FH instruction is executed
-
Internal memory
The table below lists the internal data areas and internal ROM areas for each product.
External memory
External memory is accessed in external memory expansion mode.
Product name
Unusable area
μ
PD784035
-
μ
PD784036
0F700H-0FFFFH (2,304 bytes)
μ
PD784037
0F100H-0FFFFH (3,840 bytes)
μ
PD784038
0EE00H-0FFFFH (4,608 bytes)
Product name
Internal data area
Internal ROM area
μ
PD784035
0F700H-0FFFFH
00000H-0BFFFH
μ
PD784036
00000H-0F6FFH
μ
PD784037
0F100H-0FFFFH
00000H-0F0FFH
10000H-17FFFH
μ
PD784038
0EE00H-0FFFFH
00000H-0FDFFH
10000H-1FFFFH
Product name
Internal data area
Internal ROM area
μ
PD784035
FF700H-FFFFFH
00000H-0BFFFH
μ
PD784036
00000H-0FFFFH
μ
PD784037
0F100H-FFFFFH
00000H-17FFFH
μ
PD784038
FEE00H-FFFFFH
00000H-1FFFFH
相關(guān)PDF資料
PDF描述
μPD784038 8/16 Bit Single Chip Microcontrollers(8/16位單片微控制器)
μPD784037 8/16 Bit Single Chip Microcontrollers(8/16位單片微控制器)
μPD784038Y 8/16 Bit Single Chip Microcontrollers(8/16 位微控制器)
μPD784046(A) 16 Bit Single Chip Microcontrollers(16 位單片微控制器)
μPD784046 16 Bit Single Chip Microcontrollers(16位單片微控制器)
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