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ST2205U Datasheet, PDF (1/32 Pages) Sitronix Technology Co., Ltd. – 8 BIT Integrated Microcontroller with 32K Bytes RAM | |||
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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.
1. FEATURES
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:
â 4.0Mhz@2.4V(Min.)
â 6.0Mhz@2.7V(Min.)
One 16x8 Signed Multiplier
Low Voltage Reset (LVR)
â Two levels of bonding options
Low Voltage Detector (LVD)
â Programmable 4 levels
â System power or external battery level can be detected.
Flash Memory Interface
â On the fly ECC code generation and detection
â Fast data transfer with dedicated DMA channel
â Nand and And type Flash supported
USB 2.0 Full speed device
â Integrate one PLL to produce 48Mhz clock
â Built-in 3.3V regulator for transceiver
â Mass storage class supported
â Double buffering and direct buffer access increase
throughput and ease real-time data transfer
Direct Memory Access (DMA)
â Two channels with special modes for Flash and display
â Three address generation modes
Memory configuration
â Four kinds of banks for bios, program, data, interrupt
and internal RAM
â 13-bit bank registers support up to 44M bytes
â Six programmable chip-selects with 4 modes
â Maximum single device of 16M bytes
â Build-in a waiting cycle in external memory I/Fâs timing
can be selected to support low speed device.
General-Purpose I/O (GPIO) ports
â 56 multiplexed CMOS bit programmable I/Os
â Hardware de-bounce option for Port-A
â Bit programmable pull-up/down or open-drain/CMOS
Timer/Counter
â Four 12-bit and one 8-bit timers
â Seven fixed time bases
Watchdog Timer (WDT)
â Two selectable time bases
Version 1.0
1/32
â Programmable WDT interrupt or reset
Real-time Clock (RTC)
â Full clock function, second/ minute/ hour and day, with
three counters and interrupts
â One programmable alarm
Three External Interrupt Sources
Three clocking outputs
â Clock sources including Timer0, OSCN clock, baud rate
generator
Prioritized interrupts with dedicated exception vectors
â External interrupts (x3) (edge triggered)
â PortA interrupt (transition triggered)
â LCD buffer interrupt
â Base timer interrupt (x8)
â Timer0~3 interrupts (x4)
â SPI interrupts (x2)
â UART interrupts (x2)
â USB interrupts (x6)
â PCM interrupt
â RTC interrupts (x4)
Dual clock sources with warm-up timer
â Low frequency crystal oscillator (OSCX)
····················································32768 Hz
â High frequency resistor or crystal/resonator oscillator
(OSC) selected by pin option .................. 455K~8M Hz
LCD Controller (LCDC)
â Programmable display size:
COM: 512 max. SEG: 1024 max.
Max. 160xRGBx120 color STN supported by internal
buffer
â Hardware 4/16 gray levels with 5-bit palette, up to 4096
colors supported
â Share system memory with display buffer and with no
loss of the CPU time
â Support 1-/4-/8-bit LCD data bus
â Diverse functions including virtual screen, panning,
scrolling, contrast control, alternating signal generator,
buffer switching and fast graphic data manipulation
Programmable Sound Generator (PSG)
â Four channels with three playing modes:
9-bit ADPCM, 8-bit PCM and 8-bit melody
â One 16-byte buffer and 6-bit volume control per channel
â Wavetable melody support
â Two dedicated PWM outputs for direct driving
6/13/2007
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