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  W541 Series Features List  

W541x200

 W541x240 W541x250 W541x260 W541x232 W541x231 W541x230
OP. Voltage W541C200:
2.4~5.5V 		W541C240: 2.4~5.5V W541C250:
2.4~5.5V 		W541C260:
2.4~5.5V 		W541C232:
2.4~5.5V 		W541C231:
2.4~5.5V 		W541C230:
2.4~5.5V
W541E200:
2.4~5.5V 		¡@ ¡@ W541E260:
2.4~5.5V 		¡@ ¡@ ¡@
W541L200:
1.2~1.8V 		W541L240: 1.2~1.8V¡@ W541L250:
1.2~1.8V 		W541L260:
1.2~1.8V 		W541L232:
1.2~1.8V 		W541L231:
1.2~1.8V 		W541L230:
1.2~1.8V
OP. Speed W541C200:
3.58MHz 		W541C240: 1MHz W541C250:
3.58MHz
 W541C260:
3.58MHz 		W541C232:
4MHz 		W541C231:
4MHz 		W541C230:
4MHz
W541E200:
3.58MHz 		¡@ ¡@ W541E260:
3.58MHz 		¡@ ¡@ ¡@
W541L200:
1MHz 		W541L240: 1MHz¡@ W541L250:
1MHz
 W541L260:
1MHz 		W541L232:
1MHz 		W541L231:
1MHz 		W541L230:
1MHz
ROM 2Kx16 bit 2Kx 16 bit 1.5 x 16 bit 1K x 16 bit
RAM 128x4  64x4 128x4 128x4 128x4 96x4 64x4
Look-up Table 2Kx4 bit
LCD Driver X 24x4 24x4 32x4 16x4
I/O Pin 21 13 21 21 12
Serial I/O YES -

Timer

2x8 bit

Watchdog

14/18 bit

Oscillator 

Crystal or RC RC or 32KHz
Clock Single Dual
Instruction  118 100 116 118 118
Machine Cycle 1u sec

Package

DIP 18/28
SOP 20/28, Die 		QFP 64, Die QFP 64, Die QFP 80, Die PLCC 44, Die

  W742E/Cxxx Features Lists

W742E/S81A

 W742C81B
Emulation Body - W742E81A
ROM (bit) 16384x16 8192x16
RAM (bit) 2048x4 1024x4
Main System Clock 3.58M~400KHz Crystal/RC Oscillator
LCD Driver 40 seg. x 4com. None
Power Down Mode Hold, Stop, Slow Mode
Sub System Clock 32.768KHz Crystal

I/O Port

12IO, 4I, 8O (RA/RB/RC/RD/RE/RF)
Interrupt

5
Timer/Counter 2 Timers/Counters
Timer/Counter Readable Unreadable
Stack 16
Operating Mode Dual-clock
DTMF Generator One Channel
Operation Voltage 2.4V~6.0V
Package Pin# PQFP 100 PDIP 40