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IC BLOCK DIAGRAM
OON
DOP
WN
SEG21
SEG22
-
NC
SEG23
COM1
COM2
COM3
COM4
VLC
VSS
XIN
XOUT
KOO
KO01
KO02
KO3
TEST
RESET
HOLD
R80 (INT2)
R81 (T2)
R82 (INT1)
R83 (T1)
R90 (S1)
R91 (SO)
R92 (SCK)
VDD
Vv
R40
R41
R42
R43
R50
R51
R52
R53
NC
R60
R61
R62
R63
R70
R71
R72
R73
SEG
SEG
SEG
SEG
SEG
SEG
SEG
NC
SEG
7
<<
Aroeoeoo
nO
D
----o0000------0-------o-
o0o0o0qo0o0o0o---o0o00001
Ooh
WN
©
|
eo)
SEG21
SEG22
N.C
SEG23
COM1
COM2
COM3
COM4
VLC
vss
XIN
XOUT
FF
FB
PLAY/PAUSE
MEMO/REMAIN
N.C
RESET
HOLD
XRST
FOK
SCOR
CRCF
SUBO
SENS
WFCK
VDD
P-CONTL
DRIVE EN
MUTING
DEMP
STOP
MODE
REPEAT
OPEN/CLOSE
N.C
CLK
XLT
DATA
DIRC
N.C.
BATT-E
BATT-W
LIMIT-SW
SEG
SEG
SEG
SEG
SEG
SEG
SEG
N.C
SEG
7
aOark
WW
oO
z22
a0
N. Cc
LCD common driver output
LCD common driver output
LCD common driver output
LCD common driver output
LCD drive power supply
Power supply OV
X'tal connecting pin
X'tal connecting pin
FWD ACCESS/SEARCH
KEY input
FWD ACCESS/SEARCH
KEY input
PLAY/PAUSE KEY input
MEMORY/REMAIN
KEY input
GND
Rest
Hold input
XRST signal (1C201-7 and 1C401-16)
Focus OK signal input (1C101-1)
SCOR signal input (1C401-24)
CRC OK signal (1C401-20)
SUBQ data input port
Sense (1C201-5, 1C401-18)
WFCK signal (1C401-25)
Power supply +5 V
Power control signal output
Drive end signal output
Muting signal output
Emphasis signal input
Stop key input
Mode key input
Repeat key input
OPEN/CLOSE key input
N.C
Clock (1C201-10, 1C401-13)
Latch signal (1C201-9, 1C401-14)
Data signal (1C201-8, 1C401-15)
Direct signal
(GND)
Battery empty signal input
Battery warning signal input
Limit switch signal input
LCD—segment driver output
LCD—segment driver output
LCD—segment driver output
LCD—segment driver output
LCD—segment driver output
LCD—segment driver output
LCD—segment driver output
N.C
LCD—segment driver output
LCD segment driver output
LCD segment driver output
LCD segment driver output
LCD common driver output
LCD common driver output
LCD common driver output
LCD common driver output
LCD drive power supply
OV
X'tal connecting pin
X'tal connecting pin
Input port
Input port
Input portion
Input port
(Low level is input.)
Initialize signal input
Hold signal input
input/output port of interrupt input
input/output port or timer/counter input
Input/output port or interrupt input
input/output port or timer/counter input
Input/output portion or serial input
Input/output port or serial output
For input/output port or serial port
Power supply +5 V
InputYoutput port
Input/output port
input/output port
Input/output port
Input/output port
Input/output port
Input/output port
Input/output port
Input/output port
Input/output port
Input/output port
Input/output port
Input/output port
input/output port
input/output port
input/output port
LCD segment driver output
LCD segment driver output
LCD segment driver output
LCD segment driver output
LCD segment driver output
LCD segment driver output
LCD segment driver output
LCD segment driver output
—~22—
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