Service manual

68P81076C25-C July 1, 2002
Theory of Operation: ASTRO Spectra VOCON Board 3-25
Figure 3-12. Controller Memory Mapping
$1060
$1500
$1600
HOST PORT
$0000
$1800
$3fff
Ext RAM
$1000
$1400
F1
INT RAM
F1 REGS
**
$0000
$1000
$2000
$3000
$4000
$5000
$6000
$7000
$8000
$9000
$A000
$B000
$C000
$D000
$E000
$F000
$FFFF
MAP 2
NON-MUX 32K COMMON
Int EE
$0E00
COMMON ROM
BANKED ROM/EEPROM
CONTROLLED BY SLIC
RAM
EXTERNAL EEPROM
CONTROLLED BY F1
F1 REGISTERS
AND MEMORY:
*
SLIC III REGISTER
$1400 - $14FF
INT RAM: $1060-$13FF
INT EE: $0E00-$0FFF
REGISTERS: $1000-$105F
External
RAM
MAEPF-24346-O
*
SLIC REG
External
RAM
External
RAM