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SECTION 5
DIAGRAMS
5-1. EXPLANATION OF IC TERMINALS
IC501 TMP87CH847U-1K06 (BASE UNIT
SYSTEM CONTROL)
Pin No.
Pin name
I/O
Description
1
RF CLK
O
Serial clock output.
2
DTMF LA
O
Latch output for DTMF IC.
3
QUICK CHG
O
Quick charge control output.
4
RX DATA
I
RX data input.
5
––––––––––
—
Not used (OPEN).
6
MBR
I
Pulse Make/Break select input.
7
LINE LED
O
LED drive output.
8 – 12
DTMF 0 – 4
O
Soft DTMF output 0-4.
13
––––––––––
—
Not used (OPEN).
14
RESET
I
Reset input.
15
X IN
I
System clock input (8MHz).
16
X OUT
O
System clock output (8MHz).
17
VSS (VASS)
—
Ground terminal.
18
VAREF
—
A/D converter reference voltage.
19
––––––––––
—
Not used (OPEN).
20
DTMF CD
O
Disable output for DTMF IC.
21
––––––––––
—
Not used (OPEN).
22
DP
O
Pulse dial output.
23
BATT V
I
Power voltage input.
24
RSSI
I
RSSI volatile detection input.
25
PAGE KEY
I
Key input.
26
TX POWER
O
TX power control output.
27
––––––––––
—
Not used (OPEN).
28
TX VCO
O
TX VCO power supply control output.
29
––––––––––
—
Not used (OPEN).
30
RING DET
I
Ringer 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
TEST IN2
I
Test mode input.
35
TEST IN1
I
Test mode terminal. “H”: Test mode. “L”: Normal mode
36
TEST OUT
O
Test mode output.
37
POWER DET
I
Power failure detection input.
38
––––––––––
—
Not used (OPEN).
39
H MUTE
O
Half mute control output.
40
VDD
—
power supply terminal.
41
DTMF DATA
O
DTMF IC control output.
42
DTMF CLK
O
Clock output for DTMF IC.
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 ...
