S3C921F Description
S3C921F/P921F PRODUCT OVERVIEW 1 PRODUCT OVERVIEW SAM88RCRI PRODUCT FAMILY Samsung's SAM88RCRI family of 8-bit single-chip CMOS microcontrollers offer fast and efficient CPU, a wide range of integrated peripherals, and supports OTP device. A dual address/data bus architecture and bit- or nibble-configurable I/O ports provide a flexible programming environment for applications with varied memory and I/O requirements....
S3C921F Key Features
- SAM88RCRI CPU core LCD Controller/Driver
- 64 segments and 16 mon terminals 8, 12, and 16 mon selectable Internal resistor circuit for LCD bias
- 64K × 8 bits program memory(ROM) 192K × 8 bits data memory(ROM) 592 × 8 bits data memory(RAM) (Excluding LCD data memory
- 5/6/7/8-bits PWM Selectable Direct speaker drive 2-bit extendable
- 41 instructions Idle and Stop instructions added for power-down modes
- Programmable low voltage detector Two criteria voltage(2.7 V, 4.0 V)
- I/O: 8 pins I/O: 24 pins(Sharing with segment drive outputs)
- Idle: only CPU clock stops Stop: selected system clock and CPU clock stop
- 15 interrupt source and 1 vector One interrupt level
- Crystal, ceramic, or RC for main clock Main clock frequency: 0.4 MHz
S3C921F Applications
- Four configurable I/O ports including ports shared with segment/mon drive outputs
- 8-bit programmable pins for external interrupts
- One 8-bit basic timer for oscillation stabilization and watch-dog functions
- One 8-bit and one 16-bit timer/counter with selectable operating modes
- Watch timer for real time
- Two PWM modules for direct speaker drive