參數(shù)資料
型號(hào): μPD789112
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8 位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁(yè)數(shù): 14/48頁(yè)
文件大?。?/td> 221K
代理商: ΜPD789112
Preliminary Product Information
14
μ
PD789111, 789112, 789114
4. MEMORY SPACE
Figure 4-1 shows the memory map of the
μ
PD789111,
μ
PD789112, and
μ
PD789114.
Figure 4-1. Memory Map
Special function register
256
×
8 bits
Built-in high-speed RAM
256
×
8 bits
Unusable
Program memory
space
Data memory space
Program area
Program area
CALLT table area
Vector table area
Built-in ROM
Note
F F F F H
F F 0 0 H
F E F F H
F E 0 0 H
F D F F H
n n n n H
0 0 8 0 H
0 0 7 F H
0 0 4 0 H
0 0 3 F H
0 0 1 6 H
0 0 1 5 H
0 0 0 0 H
0 0 0 0 H
n n n n H
n n n n H + 1
Note
The size of the built-in ROM varies depending on the model. (See the following table.)
Product name
Last address of built-in ROM
nnnnH
μ
PD789111
07FFH
μ
PD789112
0FFFH
μ
PD789114
1FFFH
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