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IC BLOCK DIAGRAM
-
'i
L
L
ICOO1 UPD750008GB(Micro
processor)
vo lPORT NAME
I NAME
______
_~
DE SCR~_P_T~N OF FUNC_T~ON
I._ _____ACTIVE
.-.!
-1/0-.
1
P72
-
------z"--"'"----'::
""'
----------
IRINGER
oN/OF~__.
RIN~ERO N/OFF_ SwlTCI___
_
..–. __-..- . . ..~ .U-'RINGER ON
~
I
———-+—-..——-
2
P71
TEST
SELECT
T'E_S_T MODE ___
t
L
I
—
H+ CLT586
_
[
I"
3
P70
586/186
4
P63
KEY MATRIX
INPUT
. .._J.L_.
..—..—. ---------
;.. ..:_
5
P62
KEY_lATRIX
INPUT
_—— _
+
---
------ t--I--
6
P61
KEY MATRIX
INPU_T___ _________ . _-.—
L
7
P60
____KEY MATRIX
INPUT
8
P53
I
____ KEY MATRIX
_O~PUT
_9
P52
~L_________<_
I_.
E
__
KEY. MATRIX ~PUT
-----
+..__.._
r .::
_–_-. ------t..
L
—
~. Q---
10
P51
KEY_MATRIX
OU_~PUT
L
..+.——.
-—
11
P50
~. ;.
KEY MATRIX
OUT_pUT
._.._
L
—+
.-
12 NC
—.~—
-—–—
13
P43
TALK
LED
TA_LK LED
L
I
o
14
P42
H/F LED
._
SP_. PHONE gD..._ . – —–
L
0
15
P41
, >
BUZZER/KEY
MONITOR
SWITCH
___.__.
BUZZER
CONT
._
t H+LEVEL
Hi ., 0
16
P40
DIAL
LED
DIAL
LED
-- --+-
—–—__---Q-
17 Vs s
___ ! .G~
-L
'-----'-" - ""-
—_——
-- L -—--
–— –--–t
--
:: *
SUB SYSTEM
CLOCK (32 .~ 6~~~z]. _______
.&——
-—--- —j.
1
SUB SYSTEM
CLOCK (32 .768_KHz)
J
,,.
.. .
0
-L-
20
RESET
RESE?__
——
!L
—
-.-.+-—.—–
.—–..l.
I
21
xl
MAIN__S~STEM CLOCK (4.093MHZ)
{ . . . . .._–.___I__j.
_I
22
x2
I@IN
SYSTEM
CLOCK (4.093MHZ)
I
g
P33
TX+B2
___ Tx_+B2
cONTROL
______
24
P32
CD CHK
_jCD
CHECK
- .___+..L.__
. . . . . . .. . . .. ..
..i!!_...-.
..;... J..
._._l
TX +B CONTROL'-
-.
25
P31
TX+B
~ L --------------
-.:--o.
26
P30
TX DATA
DATA_O_UT P~(STANBY:HI-Z)
.-lTA...–—
[
-"----l---"=
~~~~'----
Q-
. ..
27
P81
RX +B
4
___ _=_ +B CO~~ROL
28
P80
CE
29
P03
—---FcH1p
DATA"-"ENABLE""'":
-------"------
-'-H--::""-
--:-
NOT USE
30
P02
-–-5
-""--"""-"--
'--"
-–--— ;– -I-
DA
__
RF CHIP _DATA
--"':-
'1=
-------j- : --
31
Pol
CK
SF CHIP CLOCK
————&
-—––
32
Poo
CHARGE
CHARGE
DETECT
H
iI
—
——. . –~——–
33
P=
NOT USE
+
~-"-+-1--
~
NC
__:*jF
KEY AN__-–-–-—..
.
3-"""-
—-—--L---
35
P12
H/F SW
t
H-_—–—--–-
I_
36
PQ
KEY MATRIX
INPUT
L
I
37
Plo
_
_____.
–-—
RX DATA
'"-- +
-------
R& DATA
INPUT
1=
I
38
IC
Vdd
39
Vdd
VW
40
P23
SP CNT
41
P22
+
"'+E2::E!--::::I
:E=?l
LOCK-CNT
4'2 P21
BZ OUT
*+=%---
+BATT===T"""---"---"""-
""-"--"
____
MIC SENSITIVITY
CONTROL
KEY MATRIX
]OUTllN
I
P60 I P61 IP62 I P63
\ Pll
P50
1
2
3
RIP
TALK
P51
4
5
6
END
INT
-24-
'52
7
8
9
SCAN MEMO
P53
*
0
#
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