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WT5090
The WT5090 is a CMOS 8-bit single-chip microcontroller with Hardware LCD module driver Port & SPI interface & UART. It includes an 8-bit 6502 CPU core, 12K bytes RAM, 16K bytes ROM, External ROM Access capability maximum size up to 8M bytes, 32 programmable I/O with controllable Pull-UP resistors, dual 16-bit timer/counters, interrupt controller, and 8 channel of 12-bit A/D converter.
Features
- 8-bit 6502 CPU
- 12Kbytes SRAM and 16Kbytes ROM
- External ROM Access capability maximum size up to 8M bytes
- Operating Voltage 5V ±10%
- Crystal OSC circuit with maximum frequency up to 16 MHz
- Offer 8 interrupt sources ; all sources have independent latches each and multiple interrupt control is available
- bit 0 ---- SPI
- bit 1 ---- ADC
- bit 2 ---- Ptimer0
- bit 3 ---- Ptimer1
- bit 4 ---- RTC
- bit 5 ---- UART of TxD buffer is empty
- bit 6 ---- UART of RxD buffer is full
- bit 7 ---- External Port Interrupt
- 32 programmable I/O port with pull-up resisters
- Port0 with 25mA sink/source current and share with Analog input, Port1, Port2, Port3 with 3mA sink current.
- 16 external interrupt pin (selectable rising / falling edge trigger)
- Dual 16-bit timer/counters and timer output Pin
- One 2Hz RTC timer
- 8 channels 12 bit resolution AD converter
- Hardware LCD module driver Port
- 3wire / 2 wire SPI ( selectable 1~32 bit serial data in / out )
- UART interface
- Support two kinks of standby modes – STOP and HALT
- Package: LQFP100
- 8-bit 6502 CPU