參數(shù)資料
型號: UPD17218CT
廠商: NEC Corp.
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機的小型通用紅外遙控器
文件頁數(shù): 21/84頁
文件大?。?/td> 350K
代理商: UPD17218CT
μ
PD17215, 17216, 17217, 17218
21
2.5
Register File (RF)
The register file mainly consists of registers that set the conditions of the peripheral hardware.
These registers can be controlled by dedicated instructions PEEK and POKE, and the embedded macro instructions of
AS17K, SETn, CLRn, and INITFLG.
2.5.1
Configuration of register file
Fig. 2-8 shows the configuration of the register file and how the register file is accessed by the PEEK and POKE
instructions.
The control registers are controlled by using dedicated instructions PEEK and POKE. Since the control registers are
assigned to addresses 00H-3FH regardless of the bank, the addresses 00H-3FH of the general-purpose data memory
cannot be accessed when the PEEK or POKE instruction is used.
The addresses that can be accessed by the PEEK and POKE instructions are the addresses 00H-3FH of the control
registers and 40H-7FH of the general-purpose data memory. The register file consists of these addresses.
The control registers are assigned to addresses 80H-BFH on the IE-17K to facilitate debugging.
Fig. 2-8 Register File Access with PEEK or POKE Instructions
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
Column address
R
Data memory
System register
0
1
2
3
PEEK WR, SP
POKE LCDMD, WR
POKE M063, WR
Control register
Register file
相關(guān)PDF資料
PDF描述
UPD17218GT 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD17215GT 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD17217CT 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD17215 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD17217 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD17218GT 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD17225 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD17225CT 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD17225CT-XXX 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
UPD17225GT 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER