Aiwa TN-CL236, Service Manual

Page: 18 / 27

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Pin No. Pin Name I/O Description
IC DESCRIPTION
O
O
I
I
I
I
–
O
I
I
I
I
–
I
–
–
–
–
O
O
O
O
O
O
I
I
O
O
I
I
I
O
O
I
O
O
I
I
I
–
O
I
O
O
COMBO Data
COMBO Strobe
CallerID FSK Data Input
DTMF Detect
Make/Break Ratio H: 33.3% L: 40%
10/25 Channel Selector H: 25ch L: 10ch
Not used
DTMF Data OE
Data Input from DTMF
Data Input from DTMF
Data Input from DTMF
Data Input from DTMF
Vss (GND)
Reset
Main Clock 8 MHz
Main Clock 8 MHz
GND
Vss (GND)
DTMF 0
DTMF 1
DTMF 2
DTMF 3
DTMF 4
DTMF 5
Page Key H: PUSH L: OPEN
Flash 100/700ms Select H: 100ms L: 700ms
Antenna LED
IN USE/CHARGE LED
Ringer Detect
H/S Detec
Radio Raseption Data
Mutes the voice from the line in the hold status. H: MUTE ON, L: MUTE OFF
Music-on-hold output
Tone/Pulse
Radio Transmission Data
Radio Transmission Output ON/OFF
Dual-tone 2750 kHz detection
Dual-tone 2130 kHz detection
Out-of-range detection time switching. H: 1 min; L: None
Power Suplly 5V
Line seizure/open
RSSI Detect
Radio Band Select
COMBO Clock
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
COMBO_DATA
COMBO_STB
FSK_IN
DTMF_DV
M/B
10/25
P05
DTMF_OE
DTMF_IN3
DTMF_IN2
DTMF_IN1
DTMF_IN0
TEST
RESET
XIN
XOUT
VSS(VASS)
VAREF
DTMF0
DTMF1
DTMF2
DTMF3
DTMF4
DTMF5
PAGE_KEY
FLASH/100_700
ANT_LED
INUSE/CHG_LED
RING_DET
CHG_DET
RX_DATA
TX_MUTE
TONE_OUT
T/P_SW
TX_DATA
TX_PWR
TAS_ACTIV_L
DT_DETECT_L
OUT OF RANGE
VDD
L_SEIZE
SIG_OUT
BAND
COMBO_CLK
IC, TMP87CH47U ATH