ViewTalkR Family Series are specially designed for LCD-based consumer product applications such as musical watches, musical calculators, musical PDAs, hand-held games, toy PCs, pre-school kid education toys, virtual pets, and security systems.

	W536K/Q/A/T 4-bit μC Base, 1-ch Voice + Dual-Tone Melody Synthesizer w/ 320~2K-dot LCD Driver Part No. ROM(Kbit) RAM Voice/ Tone Channel LCD Type LCD Dots(SEG*COM) I/O LCD Share Port Audio Output OSC Sub-clock W536020K 640 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536030K 1024 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536060K 2048 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536090K 3072 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536120K 4096 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536Q020 640 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536Q030 1024 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536Q060 2048 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536Q090 3072 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536Q120 4096 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536A031 1024 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536030A 1024 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536060A 2048 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536090A 3072 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536120A 4096 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536030T 1024 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536060T 2048 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536090T 3072 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC W536120T 4096 1K x 4 1/2 B/W 40 x 8 8I, 4I/O 12I, 8I/O, 8O DAC/PWM Ring X'tal X'tal RC
	W537A/Txxx, 8-bit μC Base, 2-ch Voice + Wavetable Melody Synthesizer w/ 1K/2K-dot LCD Driver Part No. ROM(Kbit) RAM Voice/ Tone Channel LCD Type LCD Dots(SEG*COM) I/O Audio Output OSC Sub-clock WDT/LVR/LVD/ IR W537A203 249 1K 2 B/W 64 x 16 16 DAC/PWM Ring/X'tal X'tal RC Y W537A205 505 1K 2 B/W 64 x 16 16 DAC/PWM Ring/X'tal X'tal RC Y W537A206 761 1K 2 B/W 64 x 16 16 DAC/PWM Ring/X'tal X'tal RC Y W537A208 1017 1K 2 B/W 64 x 16 16 DAC/PWM Ring/X'tal X'tal RC Y W537T202 249 1K 2 B/W 64 x 16 16 DAC/PWM Ring/X'tal X'tal RC Y W537T204 505 1K 2 B/W 64 x 16 16 DAC/PWM Ring/X'tal X'tal RC Y W537T206 761 1K 2 B/W 64 x 16 16 DAC/PWM Ring/X'tal X'tal RC Y W537T208 1017 1K 2 B/W 64 x 16 16 DAC/PWM Ring/X'tal X'tal RC Y
	W538A/Txxx 8-bit μC Base, 8-ch Voice + Wavetable Melody Synthesizer w/ 1K/2K-dot LCD Driver Part No. ROM(Kbit) Working RAM(Byte) Voice/ Tone Channel LCD Type LCD Dots(SEG*COM) I/O LCD Share Port Audio Output OSC Sub-clock(32KHz) SIM/WDT/LVR/LVD W538A801 121 1K 2/8 B/W 64 x 16 20 I/O 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC Y W538A802 249 1K 2/8 B/W 64 x 16 20 I/O 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC Y W538A804 505 1K 2/8 B/W 64 x 16 24 I/O 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC Y W538A806 761 1K 2/8 B/W 64 x 16 24 I/O 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC Y W538A808 1017 1K 2/8 B/W 64 x 16 24 I/O 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC Y W538T802 249 1K 2/8 B/W 64 x 16 24 I/O 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC Y W538T804 505 1K 2/8 B/W 64 x 16 24 I/O 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC Y W538T806 761 1K 2/8 B/W 64 x 16 24 I/O 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC Y W538T808 1017 1K 2/8 B/W 64 x 16 24 I/O 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC Y
	W539Txxx, 8-bit μC Base, 2-ch / 8-ch Voice + Wavetable Melody Synthesizer w/ 4-Gray Level, 2K-dot LCD Driver Part No. ROM(Kbit) Working RAM(Byte) Voice/Wavetable Channel LCD Type LCD Dots(SEG*COM) I/O LCD Share Port Audio Output OSC Sub-clock(32KHz) H/W PWM SIM/WDT/LVR/LVD W539T204 505 1K 2/8 4-GL 64 x 32 16 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC 6-pin Y W539T206 761 1K 2/8 4-GL 64 x 32 16 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC 6-pin Y W539T208 1017 1K 2/8 4-GL 64 x 32 16 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC 6-pin Y W539T804 505 1K 2/8 4-GL 64 x 32 16 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC 6-pin Y W539T806 761 1K 2/8 4-GL 64 x 32 16 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC 6-pin Y W539T808 1017 1K 2/8 4-GL 64 x 32 16 8 I, 8 O DAC/PWM Ring/X'tal X'tal/RC 6-pin Y
	W539Pxxx, 8-bit μProcessor with ADC, SPI and DAC/PWM output Part No. ROM(Kbit) RAM(Byte) Voice/Wavetable Channel I/O Audio Output OSC Sub-clock(32KHz) H/W PWM SPI Interface ADC SIM/WDT/LVR/LVD W539P116 32 512 1 16 DAC/PWM Ring/X'tal X'tal/RC - Y Y Y W539P124 32 512 1 24 DAC/PWM Ring/X'tal X'tal/RC 6-pin Y Y Y
	FS-LCD Driver IC Family Part No. LCD Dots (SEG x COM) Color No. Supply Voltage VLCD(max.) Duty LCD RAM Build-in Oscillator/ Voltage Regulator/ Voltage Follower Build-in RGB LED Driver Build-in voltage booster for LED/LCD Interface Cascade N535FS0240 120x2 8-Color 2.4V~5.5V 6V Static, 1/2 120x2x3 bit Y Y Y Serial I/F Y