參數(shù)資料
型號: m789436
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-Bit Single-Chip Microcontrollers
中文描述: 8位單芯片微控制器
文件頁數(shù): 95/144頁
文件大?。?/td> 1378K
代理商: M789436
CHAPTER 3 CPU ARCHITECTURE
54
User’s Manual U15075EJ1V0UM00
3.1.2 Internal data memory (internal high-speed RAM) space
The
PD789426, 789436, 789446, and 789456 Subseries products incorporate the following RAM.
(1)
Internal high-speed RAM
Internal high-speed RAM is incorporated in the area between FD00H and FEFFH.
The internal high-speed RAM is also used as a stack.
(2)
LCD display RAM
LCD display RAM is incorporated.
The LCD display RAM can also be used as ordinary RAM.
Each subseries incorporates LCD display RAM with the following capacity.
Table 3-3. LCD Display RAM Capacity
Subseries Name
Area
Capacity
PD789426, 789436 Subseries
FA00H to FA04H
5
× 4 bits
PD789446, 789456 Subseries
FA00H to FA0EH
15
× 4 bits
3.1.3 Special function register (SFR) area
Special function registers (SFRs) of on-chip peripheral hardware are allocated in the area between FF00H to
FFFFH (see Table 3-4).
相關PDF資料
PDF描述
m789446 8-Bit Single-Chip Microcontrollers
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M7A3P1000-1FG144IFG144 FPGA, 1000000 GATES, PBGA144
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