Datasheet > W53342

W53342

更新时间： 2024-11-25 23:41:35

品牌	Logo	应用领域
其他 - ETC		外围集成电路微控制器时钟
页数	文件大小	规格书
8页	96K
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数据手册

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W53342 数据手册

W53322/W53342

60" Voice/Melody/LCD Controller

(ViewTalk^TMSeries)

GENERAL DESCRIPTION

The W53322/W53342 are high-performance 4-bit microcontrollers (µC) with built-in speech, melody

and 32*48/32*64 LCD driver which includes internal pump circuit. The 4-bit uc core contains dual clock

source, 4-bit ALU, two 8-bit timers, one divider, 20 pin input or output, 7 interrupt sources , 8-level

subroutine nesting for interrupt applications. Speech unit can be implemented with Winbond 60 sec

Power Speech using ADPCM algorithm. Melody unit provides dual tone output and can store up to 1k

notes. Power reduction mode is also built in to minimize power dissipation. It is ideal for games,

educational toys, remote controllers, watches, clocks and other application’ products which

incorporate both LCD display and melody.

FEATURES

• Operating voltage: 2.4 volt ~ 5.5 volt

• Dual clock operating system

−RC/Crystal (400 KHz to 4 MHz) for main clock

− 32.768 KHz crystal oscillation circuit for sub-oscillator

• Memory

− 16k × 20 bit program ROM

− 512 × 4 bit data RAM

− 384 x 4/512 × 4 bit LCD RAM for W53322/W53342

• 20 input/output pins

−Ports for input only: 2 ports/8 pins

−Input/output ports: 2 ports/8 pins

−Port for output only: 1 port /4 pins

• Power-down mode

−Hold function: no operation (except for 32kHzoscillator)

− Stop mode function: no operation (include 32kHz oscillator)

• Seven types of interrupts

−Five internal interrupts (Divider ,Timer 0, Timer 1, Speech, Melody)

−Two external interrupts (Port RC, Port RD)

• One built-in 14-bit clock frequency divider circuit

• Two built-in 8-bit programmable countdown timers

−Timer 0: one of two internal clock frequencies (FOSC/4 or FOSC/1024) can be selected

−Timer 1: built-in auto-reload function includes internal timer, external event counter from RC.0 or

TONE output function (can be used as IR carrier output if main clock is 455 kHz)

• Built-in 18/14-bit watchdog timer for system reset by mask code option

• Powerful instruction sets

• 8-level subroutine (including interrupt) nesting

Publication Release Date: March 1999

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Revision A2

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