Korg A4 User Manual

8.
REFERENCE
DATA
MB89710A (CPU)
PIN
ASSIGNMENT
m
P47
P70
P71
P72
P73
P74
ran
P50
P51
P52
P53
SCUT
SIM
P58
P57
AVao
AVR
AYse
AND
AN1
AN2
AN3
AN4
AN5
ANB
ANT
rnwr
MOO
xo
XI
Vas
CL
3
^
S3
cr
S3
u
13
E
13
CE 13
CT
S3
H
S3
CE S3
E
13
CE
m
E S3
m
S3
CE S3
E
S3
E
S3
E 13
E
13
E 13
E
13
E 13
EE
S3
E
13
E
13
E 23
E
3D
E
S3
El
SI
EE
S3
BE
33
E S3
El
S3
EE
S3
Y«o
P45
P44
P 43
P42
P4
1
PJD
P34
P33
P32
P3I
PSD
P22
P2I
P2D
PIT
PI
5
P15
P14
PIS
P12
PH
PIO
POT
POD
P05
P04
P03
PQ2
POI
POO
R5T
MB89710
(CPU)
PIN
FUNCTION
PIN
NAME
I/O
FUNCTION
P00-P07
I/O I/O
PORT
0
(
SCAN FOR PANEL SWs
)
P10-P17
I/O I/O PORT
1
(
DATA BUS FOR
DSP
)
XO
I
CRYSTAL OSC
INPUT
XI
0
CRYSTAL
OSC
OUTPUT
MOD
I MODE
SELECT
INPUT
RES
I
RESET
SIGNAL INPUT
(
LOW
LEVEL ACTIVE
)
START
I START
SIGNAL
INPUT
(
LOW
LEVEL
ACTIVE
)
NMI
I NON
MASKABLE INTERRUPT
INPUT
P20-P22
I/O
I/O
PORT
2
(CHIP SELECT FOR DSPs
)
P30-P37
I/O I/O PORT
3
(
CONTROL PORT
FOR DSPs)
P40-P47
I/O I/O
PORT
4
(
CONTROL PORT FOR
LEDs
)
VSS
—
GROUND
(OV)
INPUT
18

Korg A4 Specifications

General

Brand	Korg
Model	A4
Category	Amplifier
Language	English