SCG9800 Microcontroller Specification
− CMOS technology.
8-bit CPU core.
128 powerful and easy-to-use
− Internal RAM: 240 x 8
− Memory is organized as 16K-byte
− External memory access of up to
1M x 8, can be both ROM and RAM.
− Memory mapped I/O structure.
− RC Oscillator for the main system
clock up to 4MHz, instruction cycle
− Subsystem clock frequency of
32.768kHz for real time timer.
− Stop mode (stop main and
subsystem clock to core)
− Sleep mode (stop main system
− 2 timer interrupts.
− 1 real time interrupt.
− 1 external event interrupt.
− 1 software interrupt.
− 1 8-bit programmable I/O port.
− 1 2-bit output port.
2 8-bit pre-scalar auto reload timers
which can be cascaded to form one
1 real time timer.
1 watch dog timer.
− 2.4V to 5.5V.
Score Concept Semiconductor Ltd.