User Manual

APLUS INTEGRATED CIRCUITS INC. APC5830
www.aplusinc.com.tw TEL : [phone]
4
4. ADDRESS ARRANGEMENT :
1) RAM :
0000-07FF : INTERNAL RAM, 1KX16.
0000-1FFF : EXTERNAL NON-BANK RAM(EXTRAMCS=1), 4KX16.
2) ROM :
z 4000-7FFF : DATA AREA FOR BANK SELECT, 8KX16 EACH,
MAX. TO 64MBIT BANK ROM OR BANK RAM.
z C000-FFFF : FOR SYSTEM PROGRAM OR USER PROGRAM, 8KX16.
z FFF0, FFF1 : COPROCESSOR OK IRQ VECTOR.
z FFF2, FFF3 : ADC IRQ VECTOR.
z FFF4, FFF5 : NOT USE
z FFF6, FFF7 : TIMER IRQ(FIX_TIMER IRQ OR TIMER_A IRQ) VECTOR.
z FFF8, FFF9 : PA[7:0] IRQ VECTOR.
z FFFA, FFFB : TIMER_B NMI VECTOR.
z FFFC, FFFD : RES VECTOR.
z FFFE, FFFF : EXT IRQ VECTOR.
PRIORITY IS ARRANGED AS RES, NMI, OK_INT, ADC_INT, TIMER_INT,PA_INT,
AND EXT_IRQ.
MEMORY MAPPING ( INTERNAL ROM )