ViewTalk™ Family

ViewTalk™ 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

W537A/Txxx, 8-bit µC Base, 2-ch Voice + Wavetable Melody Synthesizer w/ 1K/2K-dot LCD Driver

W538A/Txxx 8-bit µC Base, 8-ch Voice + Wavetable Melody Synthesizer w/ 1K/2K-dot LCD Driver

W539Txxx, 8-bit µC Base, 2-ch / 8-ch Voice + Wavetable Melody Synthesizer w/ 4-Gray Level, 2K-dot LCD Driver

W539Pxxx, 8-bit µProcessor with ADC, SPI and DAC/PWM output

FS-LCD Driver IC Family

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 Status* RoHS Datasheet
640 1K x 4 1 / 2 B/W 40 x 8 8 I, 4 I/O 12 I, 8 I/O, 8 O DAC / PWM Ring/ X'tal X'tal RC P Y
1024 1K x 4 1 / 2 B/W 40 x 8 8 I, 4 I/O 12 I, 8 I/O, 8 O DAC / PWM Ring/ X'tal X'tal RC P Y
2048 1K x 4 1 / 2 B/W 40 x 8 8 I, 8 I/O 12 I, 8 I/O, 8 O DAC / PWM Ring/ X'tal X'tal RC P Y
3072 1K x 4 1 / 2 B/W 40 x 8 8 I, 8 I/O, 8 O 12 I, 8 I/O, 8 O DAC / PWM Ring/ X'tal X'tal RC P Y
4096 1K x 4 1 / 2 B/W 40 x 8 8 I, 8 I/O, 8 O 12 I, 8 I/O, 8 O DAC / PWM Ring/ X'tal X'tal RC P Y
640 1K x 4 1 / 2 B/W 40 x 16 4 I, 8 I/O 12 I, 8 I/O, 12 O DAC / PWM Ring/ X'tal X'tal RC P Y
1024 1K x 4 1 / 2 B/W 40 x 16 4 I, 8 I/O 12 I, 8 I/O, 12 O DAC / PWM Ring/ X'tal X'tal RC P Y
2048 1K x 4 1 / 2 B/W 40 x 16 8 I, 8 I/O 12 I, 8 I/O, 12 O DAC / PWM Ring/ X'tal X'tal RC P Y
3072 1K x 4 1 / 2 B/W 40 x 16 8 I, 8 I/O, 8 O 12 I, 8 I/O, 12 O DAC / PWM Ring/ X'tal X'tal RC P Y
4096 1K x 4 1 / 2 B/W 40 x 16 8 I, 8 I/O, 8 O 12 I, 8 I/O, 12 O DAC / PWM Ring/ X'tal X'tal RC P Y
1024 1.4K x 4 1 / 2 B/W 64 x 16 8 I, 8 I/O 12 I, 8 I/O, 12 O DAC / PWM Ring/ X'tal X'tal RC P Y
1024 1.4K x 4 1 / 2 B/W 64 x 16 8 I, 4 I/O 12 I, 8 I/O, 12 O DAC / PWM Ring/ X'tal X'tal RC P Y
2048 1.4K x 4 1 / 2 B/W 64 x 16 8 I, 8 I/O 12 I, 8 I/O, 12 O DAC / PWM Ring/ X'tal X'tal RC P Y
3072 1.4K x 4 1 / 2 B/W 64 x 16 8 I, 8 I/O, 8O 12 I, 8 I/O, 12 O DAC / PWM Ring/ X'tal X'tal RC P Y
4096 1.4K x 4 1 / 2 B/W 64 x 16 8 I, 8 I/O, 8O 12 I, 8 I/O, 12 O DAC / PWM Ring/ X'tal X'tal RC P Y
1024 1.4K x 4 1 / 2 B/W 64 x 32 4 I, 4 I/O 12 I, 8 I/O, 12 O DAC / PWM Ring/ X'tal X'tal RC P Y
2048 1.4K x 4 1 / 2 B/W 64 x 32 8 I, 4 I/O 12 I, 8 I/O, 12 O DAC / PWM Ring/ X'tal X'tal RC P Y
3072 1.4K x 4 1 / 2 B/W 64 x 32 8 I, 8 I/O, 8 O 12 I, 8 I/O, 12 O DAC / PWM Ring/ X'tal X'tal RC P Y
4096 1.4K x 4 1 / 2 B/W 64 x 32 8 I, 8 I/O, 8 O 12 I, 8 I/O, 12 O DAC / PWM Ring/ X'tal X'tal RC P Y
* Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time)= Under Development(Ready Time), EOL=End of life.

W537A/Txxx, 8-bit µC Base, 2-ch Voice + Wavetable Melody Synthesizer w/ 1K/2K-dot LCD Driver

Part No. ROM
(KByte)
Working RAM
(Byte)
Voice/
Wavetable
Channel
LCD Type LCD Dots
(SEG*COM)
I/O Audio Output OSC. Sub-clock WDT/
LVR/
LVD/ IR
Status* RoHS Datasheet
W537A203
249 1K 2 B/W 64 x 16 16 DAC / PWM Ring/ X'tal X'tal RC Y P Y
W537A205
505 1K 2 B/W 64 x 16 16 DAC / PWM Ring/ X'tal X'tal RC Y P Y
W537A206
761 1K 2 B/W 64 x 16 24 DAC / PWM Ring/ X'tal X'tal RC Y P Y
W537A208
1017 1K 2 B/W 64 x 16 24 DAC / PWM Ring/ X'tal X'tal RC Y P Y
W537T202
249 1K 2 B/W 64 x 16 24 DAC / PWM Ring/ X'tal X'tal RC Y P Y
W537T204
505 1K 2 B/W 64 x 16 24 DAC / PWM Ring/ X'tal X'tal RC Y P Y
W537T206
761 1K 2 B/W 64 x 16 24 DAC / PWM Ring/ X'tal X'tal RC Y P Y
W537T208
1017 1K 2 B/W 64 x 16 24 DAC / PWM Ring/ X'tal X'tal RC Y P Y
* Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time)= Under Development(Ready Time), EOL=End of life.

W538A/Txxx 8-bit µC Base, 8-ch Voice + Wavetable Melody Synthesizer w/ 1K/2K-dot LCD Driver

Part No. ROM
(KByte)
Working RAM
(Byte)
Voice/
Wavetable
Channel
LCD Type LCD Dots
(SEG*COM)
I/O LCD Share Port Audio Output OSC. Sub-clock
(32KHz)
SIM SIM/ WDT/
LVR/
LVD
Status* RoHS Datasheet
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 Y P Y
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 Y P Y
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 Y P Y
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 Y P Y
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 Y P Y
249 1K 2 / 8 B/W 64 x 32 24 I/O 8 I, 8 O DAC / PWM Ring/ X'tal X'tal/ RC Y Y P Y
505 1K 2 / 8 B/W 64 x 32 24 I/O 8 I, 8 O DAC / PWM Ring/ X'tal X'tal/ RC Y Y P Y
761 1K 2 / 8 B/W 64 x 32 24 I/O 8 I, 8 O DAC / PWM Ring/ X'tal X'tal/ RC Y Y P Y
1017 1K 2 / 8 B/W 64 x 32 24 I/O 8 I, 8 O DAC / PWM Ring/ X'tal X'tal/ RC Y Y P Y
* Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time)= Under Development(Ready Time), EOL=End of life.

W539Txxx, 8-bit µC Base, 2-ch / 8-ch Voice + Wavetable Melody Synthesizer w/ 4-Gray Level, 2K-dot LCD Driver

Part No. ROM
(KByte)
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
Status* RoHS Datasheet
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 P 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 P 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 P 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 P 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 P 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 P Y
* Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time)= Under Development(Ready Time), EOL=End of life.

W539Pxxx, 8-bit µProcessor with ADC, SPI and DAC/PWM output

Part No. ROM
(KByte)
RAM
(Byte)
Voice/
Wavetable
Channel
I/O Audio Output OSC. Sub-clock
(32KHz)
H/W PWM SPI Interface ADC SIM/ WDT/
LVR/
LVD
Status* RoHS Datasheet
W539P116
32 512 1 16 DAC / PWM Ring/ X'tal X'tal/ RC - Y Y Y P Y
W539P124
32 512 1 24 DAC / PWM Ring/ X'tal X'tal/ RC 6-pin Y Y Y P Y
* Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time)= Under Development(Ready Time), EOL=End of life.

FS-LCD Driver IC Family

This series of driver IC is designed for FS-LCD panel use. FS stands for Field Sequential. FS-LCD uses the same panel process as TN that the panel works with RGB LED switching effect to produce a colorful display. FS-LCD driver targets at the applications which require both color display and low cost, such as games, toys, ELA, weather forecast station… etc.
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 Status* RoHS Datasheet
120x2 8-Color 2.4V~5.5V 6V Static, 1/2 120x2x3 bit Y Y Y Serial I/F Y P Y
* Status: P= Mass Production, S=Samples, UD=Under Development, UD (Time)= Under Development(Ready Time), EOL=End of life.

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