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ST2205U Datasheet(PDF) 1 Page - Sitronix Technology Co., Ltd.

No. de pieza ST2205U
Descripción Electrónicos  8 BIT Integrated Microcontroller with 32K Bytes RAM
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Fabricante Electrónico  SITRONIX [Sitronix Technology Co., Ltd.]
Página de inicio  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST2205U Datasheet(HTML) 1 Page - Sitronix Technology Co., Ltd.

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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.
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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