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參數(shù)資料
| 型號： | UPD17201A |
| 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(qū)動器和A / D轉(zhuǎn)換器紅外遙控遞質(zhì) |
| 文件頁數(shù)： | 73/120頁 |
| 文件大?。?/td> | 516K |
| 代理商： | UPD17201A |
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μ
PD17201A, 17207
73
(2) EI/DI instruction
Whether an accepted interrupt is executed or not is specified by the EI or DI instruction.
When the EI instruction is executed, INTE (interrupt enable flag), which enables the interrupt, is set to 1. The
INTE flag is not registered on the register file. Consequently, the status of this flag cannot be checked by an
instruction.
The DI flag clears the INTE flag to 0 to disable all the interrupts.
The INTE flag is also cleared to 0 at reset, disabling all the interrupts.
Table 12-2 Interrupt Request Flags and Interrupt Enable Flags
Interrupt
Request Flag
Signal Setting Interrupt Request Flag
Interrupt
Enable Flag
IRQ
Set when rising edge of INT pin input signal is detected
IP
IRQTM
Set by coincidence signal of 8-bit timer
IPTM
Set by interrupt request signal from watch timer. Interrupt
request signal generation interval is selected by WTMMD flag
(RF: 03H, bit 2)
IRQWTM
IPWTM
IRQSIO
Set by signal indicating end of serial data transfer operation
from serial interface
IPSIO
12.2.1
This flag reads the status of the INT pin. This flag is “1” when a high-level signal is on the INT pin or “0” when a
low-level signal is there.
INT Flag
Fig. 12-1 INT flag
Bit 3
Bit 2
Bit 1
Bit 0
0
0
0
I
N
T
0
0
0
R
_
R: Read
_: Undefined
Read/write
Default at reset
RF: Address 0FH
0
1
INT
Function
INT pin is low
INT pin is high
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| UPD17202AGF-011-3BE | Circular Connector; No. of Contacts:56; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:25-4 RoHS Compliant: No |
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| UPD17201AGF | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTERS |
| 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 |
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