¡ Semiconductor
ML63187/63189B
BLOCK DIAGRAM (ML63189B)
An asterisk (*) indicates the port secondary function.
to the circuits corresponding to the signal names inside
interface).
indicates that the power is supplied
from V
(power supply for
DDI
nX-4/250
H
X
L
CBR
EBR
RA
PC
TIMING
CON-
ROM
32KW
TROL
Y
A
G
C
Z
SP
BUS
ALU
CON-
TROL
RSP
MIE
INSTRUCTION
DECODER
STACK
IR
CAL : 16-level
REG : 16-level
INT
4
TM0CAP/TM1CAP*
TM0OVF/TM1OVF*
T02CK*
TIMER
8bit ¥ 4
RAM
1536N
T13CK*
INT
1
INT189
RESET
SCLK*
SIN*
RST
SFT
INT
4
SOUT*
TBC
BLD
TST1
TST2
TST
INT
1
MD
MELODY
MDB
XT0
XT1
INT
1
INT
1
OSC
100HzTC
WDT
OSC0
OSC1
INPUT
PORT
P0.0-P0.3
INT
1
V
DDH
P9.0-P9.3
PA.0-PA.3
PB.0-PB.3
PE.0-PE.3
V
DD
BACK
UP
I/O
PORT
CB1
CB2
INT
2
V
DD1
DD2
DD3
DD4
V
V
V
V
BIAS
LCD
&
DSPR
COM1-16
SEG0-63
DD5
C1
C2
V
V
DDI
SS
V
DDL
5/35
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