Details, datasheet, quote on part number: STK55C1042
CategoryOptoelectronics => Drivers/Controllers => LCDs => LCD Controllers/Drivers
TitleLCD Controllers/Drivers
Description65 Segments And 16 Commons Output Pins For LCD Driver.
CompanySyntec Semiconductor
DatasheetDownload STK55C1042 datasheet


Features, Applications

* Operating voltage 2.5V-6.5V * Operating current : under 5V. * Dual frequency - 32.768 KHz for LCD & 0.5 second timer interrupt. - Crystal or RC oscillator for system clock. - CPU clock is half of system clock.

* Built-in 2K bytes RAM, (1st 144 bytes for LCD, the rest 1904 bytes for program & stack). * Built-in 32K bytes ROM with 16K per bank. * Two chip enable signals for external memory. Each one can be expanded to 512K bytes with 16K bytes per bank. * One 0.5 second pre-divider timer interrupt with start/stop control. * 2 output ports for key matrices - 14 pins for port 1, also used as address pins. - 4 input pins with wake-up interrupt for port 2. - Built-in pull-up resistors for port * 8-bit timer with 8-bit prescale counter, both are auto-reloadable.

* 65 segments and 16 commons output pins for LCD driver. - 1/5 bias, 1/16 duty and 64 Hz frame frequency. * Selectable 64 Hz Interrupt by NMI. * Timers and port 2 enable IRQ Interrupt. * Timer range is programmable. * 8-bit sound generator with 8-bit prescaler, both are auto-reloadable. * One output for the speaker. - 2 KHz or 4 KHz signal with two different envelopes are selectable for sound output. * One UART serial port with even parity check bit added after MSB for error detecting. * The internal ROM can be disabled and the corresponding memory area are mapped to the highest banks of external ROM. LCD Controller 1 /1 ISSUE DATE Date : 15 September, 1999:

* Sleep mode : LCD off , crystal & system oscillator stop, Vdd=3V, Idd < 1 uA.

Stand-by mode : LCD on and system oscillator stop, Vdd=3V, Idd < 80 uA. LCD off and system oscillator stop, Vdd=3V, Idd < 8 uA.

Data Bank Translator Organizer Hand-held game

ROM 32Kx8 LCD driver RAM 2Kx8 UART 16-bit Timer Sound generator A0-A15 Address decoder Bank control D0-D7 B0-B6 SOUND TX RX


Some Part number from the same manufacture Syntec Semiconductor
STK55C1500 48 Segments And 32 Commons Output Pins For LCD Driver.
STK55C2081 65 Segments And 32 Commons Output Pins For LCD Driver.
STK55C321 40 Segments And 8 Commons Output For LCD Driver.
STK55C641 40 Segments And 16 Commons Output For LCD Driver.
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