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SCG9800 Datasheet

8-BIT MICROCONTROLLER

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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



SCS
SCS

SCG9800 Datasheet Preview

SCG9800 Datasheet

8-BIT MICROCONTROLLER

No Preview Available !

SCG9800 pdf
SCG9800
8-BIT MICROCONTROLLER
FUNCTION OVERVIEW
Program Memory Map
RAM Area:
Address
Description
$00-$0F H/W registers and I/Os
$10-$FF Data memory and Stack
External ROM Area:
Figure 1. Memory map in RAM area
Physical Address
Description
$0000-$3FFF Page 0
Program Reset address at $0000
$4000-$7FFF Page 1
$8000-$BFFF Page 2
$C000-$FFFF Page 3
Software interrupt at $FFC0
External interrupt at $FFD0
Timer 1 interrupt at $FFE0
Timer 0/RTC interrupt at $FFF0
:
~:~
$7C000-$7FFFF Page 31
~
:
:
~
$FC000-$FFFFF Page 63
Figure 2. Memory map in external ROM area
Score Concept Semiconductor Ltd.
2
Sept 2000


Part Number SCG9800
Description 8-BIT MICROCONTROLLER
Maker SCS
Total Page 29 Pages
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