W536090T Ver la hoja de datos (PDF) - Winbond

Número de pieza

componentes Descripción

Fabricante

W536090T

VOICE/MELODY/LCD CONTROLLER (ViewTalk ™ Series)

Winbond 

W536030T/060T/090T/120T

2. FEATURES

• Operating voltage: 2.4 volt ~ 5.5 volt

• Watch dog disabled/enabled by mask option

• Dual clock operating system

− Main clock with Ring/Crystal (400 KHz to 4 MHz)

− Sub-clock with 32.768 KHz RC/Crystal by mask option

• Memory

− Program ROM (P-ROM): 64K × 20 (ROM Bank0, 1, 2, 3, 4, 5, 6)

− Data RAM (W-RAM): 1.4K × 4 bit

(RAM Bank 0 is 896 nibbles from 0: 000~0:37F and 0: 380~0:3FF are mapped to special

register.

RAM Bank F is 512 nibbles from F: 200~F: 3FF either data RAM or dedicated to script

kernel)

− LCD RAM (L-RAM): 512 × 4 bit × 2 pages (RAM Bank1, 2 from 200~3FF)

• Maximum 24 input/output pads

− Ports for input only: 8 pads (RC, RD port; RD1~3 can share as serial bus for external

memory W55XXX interface @W536030T/060T)

− Ports for output only: 8 pads (RE & RF port; W536090T/120T available only)

− Ports for Input/output: 8 pads (RA and RB port; RB port is available for W536090T

/W536120T only)

• Power-down mode

− Hold mode (except for 32KHz oscillator)

− Stop mode (including 32KHz oscillator and release by RD or RC port)

• Eight types of interrupts

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

− Three external interrupts (Port RC, RD, RA)

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

• Two built-in 8-bit programmable countdown timers

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

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

RC.0

• Built-in 18/14-bit watchdog timer for system reset.

• Powerful instruction sets

• 8-level subroutine (including interrupt) nesting

• LCD driver unit capability

− VLCD higher than (VDD -0.5V)

− Built-in voltage regulator to V2 pad

− 64 seg × 32 com

Publication Release Date: May 21, 2003

-3-

Revision A8

Share Link: