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參數(shù)資料
| 型號： | UPD17201AGF |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTERS |
| 中文描述： | 4位單片機與LCD控制器/驅動器和A / D轉換器紅外遙控遞質 |
| 文件頁數(shù)： | 28/120頁 |
| 文件大?。?/td> | 516K |
| 代理商： | UPD17201AGF |
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μ
PD17201A, 17207
28
5. PORTS
5.1 PORT 0A
This port is a 4-bit I/O port. The four bits of this port are assigned all inputs or all outputs. This assignment is
performed by P0AGIO of the register file. Transferring data from and to this port is performed via the P0A port register
(address 70H of BANK0).
This port is set in the input mode at reset.
This port can release the standby mode when the standby mode has been set and if all the bits of the port are not
set at high level.
This port is connected to the pull-up resistor regardless of whether the input or output mode is specified.
5.2
PORT 0B
This port is a 4-bit I/O port. The four bits of this port are assigned all inputs or all outputs. This assignment is
performed by P0BGIO of the register file. Transferring data from and to this port is performed via the P0B port register
(address 71H of BANK0).
This port is set in the input mode at reset.
This port can release the standby mode when the standby mode has been set and if all the bits of the port are not
at low level.
In the output mode, this port requires an external pull-up resistor because it works as an N-ch open-drain output.
5.3
PORT 0C
This port is a 4-bit I/O port. The four bits of this port are assigned all inputs or all outputs. This assignment is
performed by P0CGIO of the register file. Transferring data from and to this port is performed via the P0C port register
(address 72H of BANK0).
This port is set in the input mode at reset.
In the output mode, this port requires an external pull-up resistor because it works as an N-ch open-drain output.
5.4
PORT 0D
This port works as a 4-bit I/O port, an LED output, and an external signal output for the 8-bit timer.
One of these functions is selected by NRZEN and TMOE of the register file.
(1) Using the whole port as a 4-bit I/O port
The pins of this port can be individually assigned input or output. This assignment is performed by P0DBIO3
to P0DBIO0 of the register file. Transferring data from and to this port is performed via the P0D (address
73H of BANK0).
(2) Using the P0D
0
pin as an LED output
The LED output pin and the I/O port (P0D
0
) pins are selected by NRZEN. The LED output pin outputs an NRZ
signal in synchronization with the REM output.
(3) Using the P0D
1
pin as an external signal output for the 8-bit timer
The external signal output pin for the 8-bit timer and the I/O port (P0D
1
) pins are selected by TMOE.
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相關代理商/技術參數(shù) |
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|---|---|
| UPD17201AGF-XXX-3B9 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
| UPD17202A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:UPD17202AGF-011 Preliminary Data Sheet | Data Sheet[05/1997] |
| UPD17202AGF-011 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND KEY SCAN CIRCUIT FOR FPC FRONT PANEL CONTROLLER |
| UPD17202AGF-011-3BE | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND KEY SCAN CIRCUIT FOR FPC FRONT PANEL CONTROLLER |
| UPD17202AGF-XXX-3BE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
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