Microcontroller
SCG9832
8-BIT MICROCONTROLLER
SCG9832 Microcontroller Specification
FEATURE SUMMARY
Technology
− CMOS technology.
I...
Description
SCG9832
8-BIT MICROCONTROLLER
SCG9832 Microcontroller Specification
FEATURE SUMMARY
Technology
− CMOS technology.
I/O ports
− − 2 8-bit programmable I/O ports. 1 7-bit output port.
CPU
− − 8-bit CPU core. 126 powerful and easy-to-use instruction set
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.
Memory
− − − Internal ROM: 32K x 8 Internal RAM: 128 x 8 Memory is organized as 16K-byte page.
Operating Voltage
− 2.4V to 5.5V.
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 oscillation)
Interrupts
− − − − 2 timer interrupts. 1 real time interrupt. 1 external event interrupt. 1 software interrupt.
Score Concept Semiconductor Ltd.
1
Sept 2000
SCG9832
8-BIT MICROCONTROLLER
Function Overview
Program Memory Map RAM Area:
Address $00-$0F $10-$7F $80-$FF Description H/W registers and I/Os Reserved Data memory and Stack
Figure 1. Memory map in RAM area
ROM Area:
Physical Address $0000-$3BFF $3C00-$3FFF $4000-$FFBF $8000-$FFBF $FFC0-$FFFF Page 0 Program Reset address at $0000 IC Test Program Page 1 Reserved Page 3 Software interrupt at $FFC0 External interrupt at $FFD0 Timer 1 interrupt at $FFE0 Timer 0/RTC interrupt at $FFF0 Figure 2. Memory map in ROM area Description
Score Concept Semiconduc...
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