Datasheet > YKP1568VG5

YKP1568VG5

更新时间： 2024-11-29 07:46:03

品牌	Logo	应用领域
INTEGRAL		微控制器遥控远程控制
页数	文件大小	规格书
2页	144K
描述
8 - BIT MICROCONTROLLER FOR REMOTE CONTROL TRANSMITTERS

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YKP1568VG5 数据手册

YKP1568VG5

8- BIT MICROCONTROLLER FOR REMOTE CONTROL TRANSMITTERS

The YKP1568VG5 is stand-alone microcontroller designate for use in remote

control transmitters for a wide range of applications. The YKP1568VG5 for this purpose

provides number of dedicated hardware functions for remote controller applications

These include the following additional blocks to the YKP1568VG X core:

- Interrupt Gate

- Hardware Modulator

- Output Driver

- Watchdog Timer.

When the transmitter is not in use the microcontroller is in STOP mode and the

oscillator is HALTED. The AND gate from P1 Port line provides the wake-up to end STOP

mode.

The Hardware Modulator produces pulse bursts according to the required protocol.

By software the `ON-time` and the `OFF-time` of each pulse and the number of pulses are

controlled.

The Output Driver can handle sufficient current to drive a single transistor, and this

can provide the required current for the LED.

The Watchdog Timer will reset the YKP1568VG5 when it has not been reloaded (

reset ) in time, because the program has run out of sequence ( endless loop, continuous

IDLE mode, etc. ). During STOP mode the oscillator is halted, so then the Watchdog Timer

is not running.

Device is functionally identical to the PCA84c122A, Philips.

FEATURES.

ꢀTwo test input T0 ( ANDed with P1 input lines ), T1

ꢀ3 single-level vectored interrupt sources: external ( T0/INT and Port 1, for keypad press

wake-up functions), timer/counter ( T1 ) and hardware modulator interrupt

ꢀ8-bit programmable timer/counter with 5-bit pre-scalier

ꢀOn-board oscillator 1MHz to 6MHz.

ꢀSingle supply voltage from 2.0 V to 5.5 V.

ꢀOperating temperature range : -20 to +50⁰C

ꢀPower saving modes: Idle and Stop modes are provided

ꢀ`Hardware Modulator` that provides pulse bursts of which the `on` time and `off` time of

each pulse (i.e. duty cycle) and the number of pulses are programmable

ꢀOne output line from the `Hardware Modulator` to control the driver transistor for the

IR-LED. Capable of sinking 27 mA at Vdd=2.0V, Vout=1.0V

ꢀWatchdog Timer to keep the transmitter from being locked or malfunction.

Automatic system reset is generated by the WDT if the timer is not reset before overflow

from counting within a certain period of time.

DC CHARESTERISTICS.

ꢀSupply voltage, V

2.0 ... 5.5

1.8

ꢀSupply current operating mode, mA

ꢀOperating crystal frequency, MHz

ꢀSink current LOW, mA

6.0

1.6

ꢀPull-up output source current HIGT, µA

ꢀSink current LOW (for pulse output OUT), mA

ꢀ Source current HIGT (for pulse output OUT), mA

-40

-1.6

Korzhenevskogo 12, Minsk, 220064, Republic of

Belarus

Fax:

+375 (17) 278 28 22,

Phone: +375 (17) 278 07 11, 277 24 70, 277 24 61,

277 69 16

E-mail: belms@belms.belpak.minsk.by

URL: www.bms.by

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