S3C72F5 Description
With an up-to-896-dot LCD direct drive capability, 8-bit and 16-bit timer/counter, and serial I/O, the S3C72F5 offers an excellent design solution for a wide variety of applications which require LCD functions. Up to 39 pins of the 100-pin QFP package can be dedicated to I/O. Eight vectored interrupts provide fast response to internal and external events.
S3C72F5 Key Features
- 544 × 4-bit RAM (excluding LCD display RAM) 16,384 × 8-bit ROM Watch Timer
- Time interval generation: 0.5 s, 3.9 ms at 32768 Hz 4 frequency outputs to BUZ pin Clock source generation for LCD
- I/O: 35 pins Input only: 4 pins
- Four internal vectored interrupts Four external vectored interrupts Two quasi-interrupts
- 56 segments and 16 mon terminals 8 and 16 mon selectable Internal resistor circuit for LCD bias All dot can be switched
- Supports 16-bit serial data transfer in arbitrary format
- 4 interval timer functions Watch-dog timer
- Idle mode (only CPU clock stops) Stop mode (main system oscillation stops) Subsystem clock stop mode
- Programmable 8-bit timer External event counter Arbitrary clock frequency output External clock signal divider Serial I/
- Crystal, ceramic, or RC for main system clock Crystal oscillator for subsystem clock Main system clock frequency: 0.4