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ST2205U Datasheet(PDF) 1 Page - Sitronix Technology Co., Ltd. |
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ST2205U Datasheet(HTML) 1 Page - Sitronix Technology Co., Ltd. |
1 / 32 page ST ST2205U PRELIMINARY 8 BIT Integrated Microcontroller with 32K Bytes RAM Notice: Sitronix Technology Corp. reserves the right to change the contents in this document without prior notice. This is not a final specification. Some parameters are subject to change. Version 1.0 1/32 6/13/2007 1 1.. F FE EA AT TU UR RE ES S Totally static 8-bit CPU ROM: 16K x 8-bit(OTP) RAM: 32K x 8-bit Stack: Up to 128-level deep Operation voltage: 2.4V ~ 3.6V Operation frequency: – 4.0Mhz@2.4V(Min.) – 6.0Mhz@2.7V(Min.) One 16x8 Signed Multiplier Low Voltage Reset (LVR) – Two levels of bonding options Low Voltage Detector (LVD) – Programmable 4 levels – System power or external battery level can be detected. Flash Memory Interface – On the fly ECC code generation and detection – Fast data transfer with dedicated DMA channel – Nand and And type Flash supported USB 2.0 Full speed device – Integrate one PLL to produce 48Mhz clock – Built-in 3.3V regulator for transceiver – Mass storage class supported – Double buffering and direct buffer access increase throughput and ease real-time data transfer Direct Memory Access (DMA) – Two channels with special modes for Flash and display – Three address generation modes Memory configuration – Four kinds of banks for bios, program, data, interrupt and internal RAM – 13-bit bank registers support up to 44M bytes – Six programmable chip-selects with 4 modes – Maximum single device of 16M bytes – Build-in a waiting cycle in external memory I/F’s timing can be selected to support low speed device. General-Purpose I/O (GPIO) ports – 56 multiplexed CMOS bit programmable I/Os – Hardware de-bounce option for Port-A – Bit programmable pull-up/down or open-drain/CMOS Timer/Counter – Four 12-bit and one 8-bit timers – Seven fixed time bases Watchdog Timer (WDT) – Two selectable time bases – Programmable WDT interrupt or reset Real-time Clock (RTC) – Full clock function, second/ minute/ hour and day, with three counters and interrupts – One programmable alarm Three External Interrupt Sources Three clocking outputs – Clock sources including Timer0, OSCN clock, baud rate generator Prioritized interrupts with dedicated exception vectors – External interrupts (x3) (edge triggered) – PortA interrupt (transition triggered) – LCD buffer interrupt – Base timer interrupt (x8) – Timer0~3 interrupts (x4) – SPI interrupts (x2) – UART interrupts (x2) – USB interrupts (x6) – PCM interrupt – RTC interrupts (x4) Dual clock sources with warm-up timer – Low frequency crystal oscillator (OSCX) ····················································32768 Hz – High frequency resistor or crystal/resonator oscillator (OSC) selected by pin option .................. 455K~8M Hz LCD Controller (LCDC) – Programmable display size: COM: 512 max. SEG: 1024 max. Max. 160xRGBx120 color STN supported by internal buffer – Hardware 4/16 gray levels with 5-bit palette, up to 4096 colors supported – Share system memory with display buffer and with no loss of the CPU time – Support 1-/4-/8-bit LCD data bus – Diverse functions including virtual screen, panning, scrolling, contrast control, alternating signal generator, buffer switching and fast graphic data manipulation Programmable Sound Generator (PSG) – Four channels with three playing modes: 9-bit ADPCM, 8-bit PCM and 8-bit melody – One 16-byte buffer and 6-bit volume control per channel – Wavetable melody support – Two dedicated PWM outputs for direct driving |
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