參數(shù)資料
型號： UPD17243MC-xxx-5A4
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
中文描述： 4位單片微控制器的小型通用兩用紅外遙控遞質(zhì)
文件頁數(shù)： 28/102頁
文件大?。?/td> 461K
代理商： UPD17243MC-XXX-5A4
28
Data Sheet U15002EJ1V0DS
μ
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
2.4.4
Data buffer (DBF)
The data buffer on addresses 0CH to 0FH of the data memory is used for data transfer to and from peripheral
hardware and for storage of data during table referencing.
(1) Functions of the data buffer
The data buffer has two major functions: a function to transfer data to and from hardware and a function to
read constant data from the program memory (for table referencing). Figure 2-9 shows the relationship
between the data buffer and peripheral hardware.
Figure 2-9. Data Buffer and Peripheral Hardware
Data buffer
(DBF)
Internal bus
Program memory
(ROM)
Constant data
Peripheral
address
Peripheral hardware
8-bit timer
(TMC, TMM)
Carrier generator for
remote controller
(NRZLTMM, NRZHTMM)
Address register (AR)
05H, 06H
03H, 04H
40H
相關(guān)PDF資料
PDF描述
UPD17244MC-xxx-5A4 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD17244 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
UPD17244MC-XXX-5A4 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
UPD17245 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
UPD17245MC-XXX-5A4 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
UPD17246 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontrollers for Remote Controllers Pamphlet | Pamphlet[11/2002]
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