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參數(shù)資料
| 型號(hào)： | UPD17225CT |
| 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(yè)數(shù)： | 32/84頁(yè) |
| 文件大小： | 393K |
| 代理商： | UPD17225CT |
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μ
PD17225, 17226, 17227, 17228
32
Data Sheet U12643EJ2V0DS00
5.2
Function of 8-bit Timer (with modulo function)
Notes 1.
When the STOP mode is released, bit 3 must be set.
2.
Bit 2 is a write-only bit.
3
2
1
0
TMEN
TMRES
TMCK1
TMCK0
Address
RF : 33H
TMRES
On reset
8H
R/W
R/W
0
1
8-Bit Timer Reset Flag
Data read out is always "0"
Resets 8-bit counter and IRQTM
TMEN
0
1
8-Bit Timer Count Enable Flag
Stops 8-bit timer count operation
Enable 8-bit timer count operation (falling edge)
TMCK1
TMCK0
0
0
0
1
1
0
1
1
8-Bit Timer Clock Source Selection
Count clock: f
X
/32
(Measurement time range: 8 s to 2.048 ms)
Count clock: f
X
/64
(Measurement time range: 16 s to 4.096 ms)
Count clock : f
X
/256
(Measurement time range: 64 s to 16.384 ms)
Remote control carrier generation circuit output
Value indicated by parentheses is for when
( ): f (system clock) = f
X
= 4MHz
SYS
Note 1
Note 2
NRZLTMM
Address
On reset
R/W
Peripheral register: 03H
Undefined
R/W
7
6
5
4
3
2
1
0
7-bit modulo register
Bit 7
0
1
Output Control of REM Pin
When NRZ = 1, carrier output to REM pin
When NRZ = 1, high-level output to REM pin
×
NRZHTMM
Address
On reset
R/W
Peripheral register: 04H
Undefined
R/W
7
6
5
4
3
2
1
0
7-bit modulo register
Bit 7
Fixed to 0
0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UPD17225MC | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17226 | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17226CT | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17226GT | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| UPD17226MC | 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 |
|---|---|
| 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 |
| UPD17225GT-XXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MICROCONTROLLER|4-BIT|UPD17K CPU|CMOS|SOP|28PIN|PLASTIC |
| UPD17225MC | 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 |
| UPD17225MC-XXX-5A4 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
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