ST2601B
ST2601B is 8-BIT Integrated Microcontroller manufactured by Sitronix.
FEATURES n Totally static 8-bit CPU n ROM: 128k x 8-bit n RAM: 1.5K x 8-bit n Stack: Up to 128-level deep n Operation voltage: 2.4V ~ 3.6V n Operation frequency:
- 3.0Mhz@2.4V(Min.)
- 4.0Mhz@2.7V(Min.) n LCD Drives
- : 36 outputs. Eight shared with one output port
- SEG: 56 outputs. Shared with 3 I/O ports and memory bus signals. n One 8x8 Signed Multiplier n Low Voltage Reset (LVR)
- Two levels by code option n Low Voltage Detector (LVD)
- Programmable 4 levels
- System power or external battery level can be detected. n Programmable Watchdog Timer (WDT) n Memory interface to ROM, RAM, Flash n Memory configuration
- Three kinds of banks for program, data and interrupt
- 12-bit bank registers support up to 44M bytes
- Six programmable chip-selects with 4 modes
- Maximum single device of 16M bytes n General-Purpose I/O (GPIO) ports
- Up to 39 bit programmable I/Os
8 dedicated CMOS I/Os
23 shared with LCD SEGs
8 open drain output pins shared with LCD s
- Bit programmable pull-up for input pins
- Pull-up/down and open-drain/CMOS control for Port-C n Timer/Counter
- Four 12-bit timers.
- One 8-bit base timer
- Seven fixed base timers n Three clocking outputs
- Clock sources including Timer0/1, baud rate generator n Eleven prioritized interrupts with dedicated exception vectors
- External interrupt (edge triggered)
- LCD buffer interrupt
- Base timer interrupt
- Timer0~3 interrupts (x4)
- SPI interrupts (x2)
- UART interrupts (x2) n 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~4M Hz n Direct Memory Access (DMA)
- Block-to-Block transfer
- Block to Single port n LCD Power Management
- DC-DC converter with 8-level output control
- LC driving voltage regulator with 16-level control
- 1/4, 1/5, 1/6 bias options with 4 voltage followers n LCD Driver
- 32x28~56x36 resolution, maximum 2016 dots
- Clock source from...