– 16 –
IC501 TMP87CH47LU-1K07 (HAND SET
SYSTEM CONTROL)
Pin No.
Pin name
I/O
Description
1
RF CLK
O
Serial clock output.
2
RING OUT
O
Beep signal output.
3
RING VOL
O
Beep signal volume control
4
RX DATA
I
RX data input.
5
VOL SW2
I
VOL switch input 1.
6
VOL SW1
I
VOL switch input 2.
7
TALK LED
O
TALK/BATT LED control output.
8 – 12
KEY COL 0 – 4
I
Key matrix input 1-4.
13
TEST
I
Test terminal.
14
RESET
I
Reset terminal.
15
X IN
I
System clock input (4MHz).
16
X OUT
O
System clock output (4MHz).
17
GND
—
Ground terminal.
18
VAREF
—
A/D converter reference voltage.
19 – 22
KEY ROW 0 – 3
O
Key matrix output 0-3.
23
MODEL
I
Destination select input.
24
RSSI
I
RSSI voltage detection input.
25
BAT ALM
I
Battery low voltage detection input.
26
TX POW
O
TX power control output.
27
TEST OUT
O
Test mode command output.
28
SPEAKER MUTE
O
Mute signal output for head set. (N1003)
29
RX POW
O
RX power control output.
30
POW DET
I
Power failure detection input.
31
CHG IN
I
Battery charge detection input.
32
TX DATA PU
O
TX data terminal pull-up output.
33
TX DATA
O
TX data output.
34
KEY LED
O
Back light LED control output.
35
TEST IN
I
Test mode terminal.
36
CCHG
O
power supply control output for intermittent operation.
37
WAKE UP
I
wake up input.
38
DIS CHG
O
Capacitor discharge output.
39
HMUTE
O
Half mute control output.
40
VDD
—
power supply terminal.
41
N/A
—
Not used (OPEN).
42
TX VCO
O
TX VCO power supply control output.
43
RF DATA
O
RF IC control output.
44
RF STB
O
Strobe output for RF IC control.
Summary of Contents for SPP-N1001
Page 3: ... 3 SECTION 1 GENERAL This section is extracted from instruction manual ...
Page 4: ... 4 ...
Page 5: ... 5 SPP N1003 ...
Page 48: ...15 SPP N1001 N1003 ...