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參數(shù)資料
| 型號(hào)： | UPD753017A |
| 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)： | 40/88頁(yè) |
| 文件大?。?/td> | 438K |
| 代理商： | UPD753017A |
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40
μ
PD753012A, 753016A, 753017A
Data Sheet U11662EJ2V0DS00
8. STANDBY FUNCTION
In order to save power consumption while a program is in a standby mode, two types of standby modes (STOP
mode and HALT mode) are provided for the
μ
PD753017A.
Table 8-1. Operation Status in Standby Mode
STOP Mode
HALT Mode
Set instruction
STOP instruction
HALT instruction
System clock when set
Settable only when the main system
clock is used.
Settable both by the main system
clock and subsystem clock.
Operation
status
Clock generator
Only the main system clock stops
oscillation.
Only the CPU clock
Φ
halts (oscillation
continues).
Basic interval timer/
watchdog timer
Operation stops
Operation. (The IRQBT is set in the
reference interval.)
Note 1
Serial interface
Operable only when an external SCK
input is selected as the serial clock.
Operable
Note 1
Timer/event counter
Operable only when a signal input to the
TI0-TI2 pins is specified as the count
clock.
Operable
Note 1
Watch timer
Operable when f
XT
is selected as the
count clock.
Operable
LCD controller/driver
Operable only when f
XT
is selected as
the LCDCL.
Operable
External interrupt
The INT1, 2, and 4 are operable.
Only the INT0 is not operated.
Note 2
CPU
The operation stops.
Release signals
Interrupt request signal sent from the operable hardware enabled by the interrupt
enable flag.
Test request signal sent from the test source enabled by the test enable flag.
RESET input
Notes 1.
Cannot operate only when the main system clock stops.
Can operate only when the noise elimination circuit is not used (IM02 = 1) by bit 2 of the edge detection
mode register (IM0).
2.
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| UPD753017AGC | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
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