参数资料
型号: mPD789322
厂商: NEC Corp.
元件分类: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器与2/4/8K字节在系统可编程闪存
文件页数: 6/96页
文件大小: 482K
代理商: MPD789322
Preliminary Product Information U14673EJ1V0PM00
14
PD789322,789324,789326,789327
4. CPU ARCHITECTURE
4.1 Memory Space
The
PD789322, 789324, 789326, and 789327 are provided with 64 Kbytes of accessible memory space. Figure
4-1 shows the memory map.
Figure 4-1. Memory Map
n n n n H
+1
n n n n H
Special function registers
256
× 8 bits
Internal high-speed RAM
LCD display RAM
24
× 8 bits
F F F F H
F F 0 0 H
F E F F H
0 0 0 0 H
Program
memory space
Data memory
space
n n n n H
0 0 0 0 H
Program area
0 0 8 0 H
0 0 7 F H
Program area
0 0 4 0 H
0 0 3 F H
CALLT table area
Reserved
0 0 1 4 H
0 0 1 3 H
Vector table area
Internal ROM
F A 1 8 H
F A 1 7 H
F A 0 0 H
F 9 F F H
Reserved
Note
mmmmH
1
Note The internal ROM capacity and internal high-speed RAM capacity depend on the products (see the next
table).
Relevant Product Name
Internal ROM Last Address
nnnnH
Internal High-Speed RAM Start Address
mmmmH
PD789322
0FFFH
PD789324
1FFFH
FE00H
PD789326
3FFFH
PD789327
5FFFH
FD00H
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相关代理商/技术参数
参数描述
MPD789322GB-XXX-8ET 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER
MPD789324 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER
MPD789324GB-XXX-8ET 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER
MPD789326 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER
MPD789326GB-XXX-8ET 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER