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參數(shù)資料
| 型號： | UPD17240MC-XXX-5A4-A |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO30 |
| 封裝： | 0.300 INCH, PLASTIC, SSOP-30 |
| 文件頁數(shù)： | 25/102頁 |
| 文件大?。?/td> | 668K |
| 代理商： | UPD17240MC-XXX-5A4-A |
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Data Sheet U15002EJ1V0DS
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
Table 2-4. Relationship Between Peripheral Hardware and Data Buffer
Peripheral
Peripheral Register Transferring Data with Data Buffer
Hardware
Name
Symbol
Peripheral address
Data buffer used
PUT/GET
8-bit timer
8-bit counter
TMC
05H
DBF0, DBF1
GET only
8-bit modulo
TMM
06H
DBF0, DBF1
PUT only
register
Remote controller
NRZ low-level
NRZLTMM
03H
DBF0, DBF1
PUT
carrier generator
timer modulo
GET
register
NRZ high-level
NRZHTMM
04H
DBF0, DBF1
PUT
timer modulo
GET
register
Address register
AR
40H
DBF0 to DBF3
PUTNote 1
GETNote 2
Notes 1. In the
PD17240: Bits 0 to 3 of AR3 and bit 3 of AR2 are arbitrary values
In the
PD17241: Bits 0 to 3 of AR3 are arbitrary values
In the
PD17242, 17243: Bits 1 to 3 of AR3 are arbitrary values
In the
PD17244, 17245, 17246: Bits 2 to 3 of AR3 are arbitrary values
2. In the
PD17240: Bits 0 to 3 of AR3 and bit 3 of AR2 are always 0
In the
PD17241: Bits 0 to 3 of AR3 are always 0
In the
PD17242, 17243: Bits 1 to 3 of AR3 are always 0
In the
PD17244, 17245, 17246: Bits 2 to 3 of AR3 are always 0
(2) Table referencing
An MOVT instruction reads constant data from a specified location of the program memory (ROM) and sets
it in the data buffer.
The function of the MOVT instruction is explained below.
MOVT DBF, @AR: Reads data from a program memory location pointed to by the address register (AR) and
sets it in the data buffer (DBF).
DBF 3
DBF 2
DBF 1
DBF 0
MOVT DBF, @ AR
b15
b0
16 bits
Program memory (ROM)
Data buffer
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD17241 | 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 |
| UPD17241MC-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 |
| UPD17242 | 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 |
| UPD17242MC-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 |
| UPD17243 | 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 |
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