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參數(shù)資料
| 型號： | UPD17235 |
| 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(jī)的小型通用紅外遙控器 |
| 文件頁數(shù)： | 24/92頁 |
| 文件大?。?/td> | 378K |
| 代理商： | UPD17235 |
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Data Sheet U14360EJ1V0DS00
μ
PD17230, 17231, 17232, 17233, 17234, 17235, 17236
24
Table 2-4. Relations between Hardware Peripherals and Data Buffer
Hardware
Peripherals
Peripheral Register Transferring Data with Data Buffer
Name
Symbol
Peripheral address
Data buffer used
PUT/GET
8-bit timer
8-bit counter
TMC
05H
DBF0, DBF1
GET only
8-bit modulo
register
TMM
06H
DBF0, DBF1
PUT only
Remote controller
carrier generator
NRZ low-level
timer modulo
register
NRZLTMM
03H
DBF0, DBF1
PUT
GET
NRZ high-level
timer modulo
register
NRZHTMM
04H
DBF0, DBF1
PUT (clear bit 3
of DBF1 to 0)
GET (bits 3 of
DBF1 is always 0)
Address register
Address register
AR
40H
DBF0-DBF3
PUT
Note 1
GET
Note 2
Notes 1.
In the
μ
PD17230: bits 0 to 3 of AR3 and bit 3 of AR2 are any,
in the
μ
PD17231: bits 0 to 3 of AR3 are any,
in the
μ
PD17232, 17233: bits 1 to 3 of AR3 are any,
in the
μ
PD17234, 17235, 17236: bits 2 to 3 of AR3 are any
2.
In the
μ
PD17230: bits 0 to 3 of AR3 and bit 3 of AR2 are always 0,
in the
μ
PD17231: bits 0 to 3 of AR3 are always 0,
in the
μ
PD17232, 17233: bits 1 to 3 of AR3 are always 0,
in the
μ
PD17234, 17235, 17236: bits 2 to 3 of AR3 are always 0
(2) Table reference
A 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
b
15
b
0
16 bits
Program memory (ROM)
Data buffer
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相關(guān)代理商/技術(shù)參數(shù) |
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| UPD17235GT | 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 |
| UPD17235MC | 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 |
| UPD17236 | 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 |
| UPD17236GT | 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 |
| UPD17236MC | 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 |
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