SCG9800 Datasheet, PDF (1/29 Pages) List of Unclassifed Manufacturers – 8-BIT MICROCONTROLLER

SCG9800
8-BIT MICROCONTROLLER
SCG9800 Microcontroller Specification
FEATURE SUMMARY
Technology
− CMOS technology.
CPU
−
−
8-bit CPU core.
128 powerful and easy-to-use
instruction set.
Memory
− Internal RAM: 240 x 8
− Memory is organized as 16K-byte
page.
− External memory access of up to
1M x 8, can be both ROM and RAM.
I/O Structure
− Memory mapped I/O structure.
Oscillation Frequency
− RC Oscillator for the main system
clock up to 4MHz, instruction cycle
~0.5us.
− Subsystem clock frequency of
32.768kHz for real time timer.
Power Down
− Stop mode (stop main and
subsystem clock to core)
− Sleep mode (stop main system
clock only)
Interrupts
− 2 timer interrupts.
− 1 real time interrupt.
− 1 external event interrupt.
− 1 software interrupt.
I/O Ports
− 1 8-bit programmable I/O port.
− 1 2-bit output port.
Timer
−
−
−
2 8-bit pre-scalar auto reload timers
which can be cascaded to form one
16-bit timer.
1 real time timer.
1 watch dog timer.
Operating Voltage
− 2.4V to 5.5V.
Score Concept Semiconductor Ltd.
1
Sept 2000