Korg EX-8000 - Circuit Descriptions; Hardware Component Overview; Memory Map and Usage

7. CIRCUIT DESCRIPTIONS
1. Hardware:
NAM*;
CPU63B03X <8bit,
2MHz)
ROM 27128 (N-MOS
16KB)
RAM1 6116(C-MOS
2KB)
RAM2 6116(C-MOS
2KB)
Sound source DWGS
Wave table ROM
613256
DESCRIPTION .
System program,
data table
Tone data, backup
System use
2 DCO x 8 voice
(256Kbitx4) 16
Waveforms
PC BOARD
KLM-771
KLM-771
KLM-771
KLM-771
KLM-771
KLM-771
PC BOARD
^KLM^62
KLM-771
KLM-775
KLM-762/763
KLM-764
KLM-765
KLM-766
KLM-768
NAME
VCF, VCA, noise circuit, 8-voice mixer
Main circuit (DWGS)
Digital delay circuit, stereo amp circuit
Power supply circuit
Rear jack
Front jack
Mute, headphone amp
7-segment LEDs, switch matrix
2. Memory map
0000H
001FH
0040H
OOFFH
3000H
3800H
4000H
4008H
4010H
4018H
4020H
4040H
4060H
Internal
Register
Internal RAM
RAM (Back up)
16K
RAM '
16K (IC37)
SW
LS139 (IC18)
DWGS
MB62H133
DAC
,4 .'■&!
VCF.A
4080H
40A0H
40C0H
40E0H
40FFH
C000H
FFFFH
DDL
LED DATA
LED ADDR.
AD SELECTv
etc.
IP-ROM
128K
0 HAM (Battery Back up) 16K Bytes
3780H
37FFH
TONE DATA
30 Bytes x 64
TONE DATA
ED rr able
^FONEDATA
NONEOIT
[2) RAM 16K Bytes
TOR SYSTEM PROGRAM
f * l ''
4000H
4001H
4002H
7 ^ # 5 v - # : = 3 -* 2 1 0
B
Tape
Enab.
7 *,
INT.
6
vmiTE
5
8.H
A4
4
PAR i
UNS2
3
#RG
UNS1
2
UP
POLY2
1
DOWN
POLY1
i
■ft-
IP
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