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| FX-33BK/FX-33LBK
Interal Block Diagrams of Major ICs
Terminal Function of LC5813H-221
TrC2Z61 2 LCS5813H—221
—
|
Reference
Phase
PDI
ae
fs —6r
oe
7
|
(gM
FMI)
|
|
LEVEL]
[LEVEL
S:Curve|
ee
E296
4
AM
:
loc}
(DIF
|
CR IN
|; CR IN
CR OUT
|
CR OUT
~|Connect
the
ceramic
oscillator.
-~-|Connect
the ceramic
oscillator.
|
|
|
|
|
!
ee
|
|
P
—)
ae:
| DCS IN
| I [Line data input of DCS. (Negative Logic)
|
is
Ebr
| 26
| P2
| STOP_IN | I [Input of AUTO STOP"
ami
.
cc
|
| 27
|
P3
|STGNAL IN| I |Input of "TUNED" display
|
On
Ta
[AM
"one
28
i P4 «| STEREO IN| I |Input of STEREO" display
:
|
Shift
|
——
IND.
a
|
Register
Latch
=
|
|
(
|
we
|
ie
i
29
|
COM2
|
COM2
| O |Common
2 of LCD
|
|
—#
= serpaells] SD
sai] |
| 30
| TEST
| TEST
|---|Not use.
|
|
|
|
|
ee
(Cae
sales Co UNS oy 2
| 31~54 | SEG1~24 | SEG1~24 | O |1~24 segments of LCD
|
L_—_——_—— QOO-
(8)
0, gaen Ors
OSC IN OSC OUT
AGC
Sig. Meter >
| 55
|
COM1
| COM]
| O |Common
1 of LCD
|
|
56
|
RES
|
RES
| I |Input
of RESET
|
|
57
|
INT
|
INT
| I [Input of Interrupt
|
IC261 : LC5813H-221
| 58
|
|
Kil
| I |Key input;Compose the key matrix with M1~M4.
|
|
59
|
i.
|
K2
| I |Key input;Compose
the key matrix
with M1~M4.
|
1C241
: LM7OOON
|
60
|
K3
|
K3
| I |Key input;Compose
the key matrix
with M1~M4.
|
I
sunets
:-
oi
|
61
|
K4
|
K4
| I |Key input;Compose
the key matrix
with M1~M4.
|
Terminal
Nape:
)
ince
ae
|
62
|
M1
|
M1
| O |Key output
|
|SYC
|Clock(400kHz)
for controller
|
|
63
|
M2
|
M2
| O |Key output
|
a a
| 64
|
M3
|
M3
| O [Key output
|
|XIN, XOUT
[Crystal oscillator (3.6MHz)
|
eas
Sanne
eee en
|
[Included
the feedback
resistor.
|
Seg
6 Ly [36
Seq7
CL!
|FMI, AMI
{Local
oscillator
signal
input
|
——
|CE,CL, DATA
\Data input
|
eal
120.
1B01,B02,B03
—'-|Band data output
!
trees
4——__-_-_----
--
______
Segi4C J
144
[STRQ
|Request of IF counter
input
|
Segi5——
Segi6 CO
|STOUT
|Auto-search
stop signal
output
|
es
48
| Vdd1l,
Vdd2,
Vss|Power
supply(Vdd2:for
back-up)
|
|AMIF,FMIF
[IF signal
input
|
Sa
|1PD1,PD2
[Charge
pump
output
|
ia
se ee
ee
=
a
ee
ee
(§NO.2877)
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