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| 型號(hào)： | UPD17245MC-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(yè)數(shù)： | 46/102頁(yè) |
| 文件大小： | 461K |
| 代理商： | UPD17245MC-XXX-5A4 |
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46
Data Sheet U15002EJ1V0DS
μ
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
0
P1BPU0
Address
RF: 15H
After reset
0H
R/W
R/W
1
P1BKEY0
2
P1BHL0
3
0
P1BHL0
0
1
Resistor is connected (P1BPU0 = 1)
Resistor is not connected (P1BPU0 = 0)
Connects pull-down/pull-up resistor to P1B
0
Pull-up resistor
Pull-down resistor
No resistor
P1BPU0
0
1
Connects resistor to P1B
0
P1BKEY0
0
1
Selects whether P1B
0
is used for key matrix or not
When key matrix is used (P1BKEY0 = 1)
P1BHL0
0
1
Resistor is connected (P1BPU0 = 1)
Resistor is not connected (P1BPU0 = 0)
Connects pull-down/pull-up resistor to P1B
0
and
selects standby mode release condition
Pull-up resistor
Standby mode is released when a low level is input to P1B.
Pull-down resistor
Standby mode is released when a high level is input to P1B.
No resistor
No resistor
When key matrix is not used (P1BKEY0 = 0)
P1B
0
not used for key matrix
P1B
0
used for key matrix
Not connected
Connected
3.14 Selecting Whether Key Matrix Is Used, Standby Mode Release Condition, and Whether
Pull-Up or Pull-Down Resistor Is Connected (Port 1B)
Whether a key matrix is used or not, whether a resistor is connected to P1B or not, whether a pull-up or pull-down
resistor is connected, and the standby mode release condition can be specified by using the following register file.
Caution The standby mode is not released by P1B when a key matrix is not used.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD17246 | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Microcontrollers for Remote Controllers Pamphlet | Pamphlet[11/2002] |
| UPD17246MC-XXX-5A4 | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS |
| UPD1724X | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS |
| UPD17704 | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DEDICATED HARDWARE FOR DIGITAL TUNING SYSTEM |
| UPD17704A | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:UPD17704A.17705A.17707A.17708A.17709A Data Sheet | Data Sheet[10/2001] |
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