Touch Device Controller
WT5091
| 【 General Description 】 |
| The WT5091 is a CMOS 8-bit single-chip microcontroller with Port or Interface for SPI / UART. It includes an 8-bit 6502 CPU core, 10K bytes RAM, 896K bytes ROM, 16 bit 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 |
| ● | 10Kbytes SRAM |
| ● | Internal ROM 896K bytes |
| ● | Operating Voltage 3.3V ±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 ---- I2C | |
| - bit 5 ---- UART of TxD buffer is empty | |
| - bit 6 ---- UART of RxD buffer is full | |
| - bit 7 ---- External Port Interrupt | |
| ● | maximum to 28 I/O pin contains 16 programmable I/O port with pull-up resisters |
| ● | Port0 with 25mA sink/source current and share with analog input, Port2 with 3mA sink current. |
| ● | 8 external interrupt pin (selectable rising / falling edge trigger) |
| ● | Dual 16-bit timer/counters and timer output Pin |
| ● | 8 channels 12 bit resolution AD converter |
| ● | 3wire / 2 wire SPI ( selectable 1~32 bit serial data in / out ) |
| ● | UART interface |
| ● | Support 2 kinks of standby modes – STOP and HALT |
| ● | Package: QFN40 |
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