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IC BLOCK DIAGRAM
BASE UNIT SECTION
IC401
LC662106A-4J02
(Microprocessor)
No
NAME
DESCRIPTION
OF FUNCTION
ACTIVE Oorl
NO
NAME
DESCRIPTION
OF FUNCTION
ACTIVE Oorl
1
PLL CE
BU2630 CH SELECT
o
16
TX PWR2
TRASMIT POWER CONTROL 2
L
o
2
PLL CK
BU2630 CH SELECT
o
17
TEST 1
TEST MODE SWITCH 1
L
I
3
PLL
DA
BU2630 CH SELECT
o
18
TEST 2
TEST MODE SWITCH 2
L
I
4
BX DATA
RX DATAINPUT
I
19
RELAY
TEL-LINE CONTROL
H
o
5
P3011NT1-B
NO USE (FIX "L")
o
20
INUSE LED
IN USE LED CONTROL
L
o
6
TX DATA
TRANSMIT DATAOUTPUT (3-ST)
o
21
DTMF
DTMF OUTPUT
o
7
RX MUTE
RX MUTE CONTROL
L
o
22
CHARGE LED
CHARGE LED CONTROL
L
o
8
Vss
POWER
(GND)
23
TIP
9
Oscl
SYSTEM CLOCK IN (4.093MHz)
I
24
RING
RINGER SIGNAL INPUT (L : RING)
I
10
OSC2
SYSTEM CLOCK
OUT (4.093MHz)
o
2!5
A. SCAN
AUTO SCAN SIGNAL LEVEL DETECT
H
I
11
VDD
POWER
(VDD)
26
PAGE
PAGE KEY INPUT
I
12
RESET
SYSTEM RESET INPUT
L
I
27
M-BIFLASH
SET MAKE-BREAK or FLASH
I
13
TEST
NO USE
I
28
MIB
SET MAKE-BREAK
(H.33%
at AU)
I
14
HOLD
AC POWER CHECK
L
I
2!3
CHARGE
HANDSET CHARGE DETECT
L
I
15
P40/lNVOl
NO USE (FIX "L")
o
30
COUNTRY
SET COUNTRY
(HIGH)
I
BU2630
SERIAL
PORT ASSIGNMENT
No
NAME
DESCRIPTION
OF FUNCTION
ACTIVE
I
Oorl
4
TX MUTE
TRANSMIT
MUTE CONTROL
L
o
5
RON
NO USE
--
10
TX POWER
TRANSMIT
POWER CONTROL
—.
L
'o
'&-
b
-32-
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