NXR-700
35
Pin No.
Name
I/O
Function
11
OX_SDO2
O
Serial data output for OCXO IC3 (po-
tentiometer)
12
GND
-
Ground
13
REF_SW2
O
OCXO reference signal output switch
CN804 (To X53-413 CN56)
1
GND
-
Ground
2
GND
-
Ground
3
WP
I
EEPROM write protect signal input
4
MOD
I
Moduration signal input
5
GND
-
Ground
6
SDO1
I
Serial data input for IC101, IC202,
IC303, IC802, IC803
7
SCLK0
I
Serial clock input for IC703
8
SCLK1
I
Serial clock input for IC101, IC202,
IC303, IC802, IC803
9
SDO0
I
Serial data input for IC701, IC703
10
SDI1
O
Serial data output for IC803
11
SR_EN
I
Enable input for IC701, IC703
12
8AD_EN
I
Enable input for IC803
13
SR_OE
I
Enable input for IC703
14
2DA_CE
I
Chip enable input for IC802
15
3DA_EN
I
Enable input for IC701
16
2DA_EN
I
Enable input for IC802
17
LDT
O
RF PLL lock detect output
18
132_CE
I
Chip enable input for IC303
19
440_CE
I
Chip enable input for IC101
20
132_EN
I
Load enable input for IC303
21
440_EN
I
Load enable input for IC101
22
VR_EN
I
Load enable input for IC304
23
DDS_EN/VER I/O
Load enable input for IC202 / Hardware
version control signal output
24
ANT_SW
I
TX antenna switch input
25
TEMP_PRT
O
Temp protection signal output
26
SCK
I
EEPROM Clock
27
D_GND
-
Ground
28
SDA
I/O EEPROM Data
29
D_GND
-
Ground
30
CONT_5.0V
I
Switched 5V power supply
31
D_GND
-
Ground
32
CONT_5.0V
I
Switched 5V power supply
33
GND
-
Ground
34
PAG
I
POCSAG Switch
35
GND
-
Ground
36
GND
-
Ground
Pin No.
Name
I/O
Function
CN805 (To X53-414 CN400)
1
GND
-
Ground
2
GND
-
Ground
3
33MPU
I
Switched 3.3V power supply
4
OX_SCLK2
I
Serial clock input for IC601, IC404
5
GND
-
Ground
6
OX_SDO2
I
Serial data input for IC601, IC404
7
GND
-
Ground
8
PLL_19_CE
I
100kohm load
9
GND
-
Ground
10
PLL_19_EN
I
Enable input for IC404
11
GND
-
Ground
12
REF_LDT
O
19.2MHz PLL lock detect output
13
GND
-
Ground
14
VCXO_DA_EN
I
Enable input for IC601
15
GND
-
Ground
16
OCXO_EXIST
O
OCXO detection signal
17
GND
-
Ground
18
OCXO_CURR
O
OCXO current detection signal
19
GND
-
Ground
20
OCXO_ON
I
OCXO power on signal
21
GND
-
Ground
22
OCXO_VR_EN
I
Enable input for OCXO IC3 (potentiom-
eter)
23
GND
-
Ground
24
OX_SDI2
O
Serial data output for OCXO IC3 (po-
tentiometer)
25
GND
-
Ground
26
REF_IN_OUT
I
Reference clock switched signal input
27
IMP_H_L
I
100kohm load
28
REF_EXIST
O
Reference detector signal output
29
OX_SDA
I/O OCXO EEPROM serial data
30
EXT_EXIST
O
External reference detector signal output
31
OX_SCL
I
OCXO EEPROM serial clock
32
REF_SW
I
Reference signal output switch
33
WP
I
EEPROM write protect signal input
34
REF_SW2
I
OCXO reference signal output switch
35
GND
-
Ground
36
GND
-
Ground
CN806 (To X45-385 A/5 CN20)
1
GND
-
Ground
2
GND
-
Ground
3
WP
O
EEPROM write potect signal output
TERMINAL FUNCTION
Summary of Contents for NEXEDGE NXR-700
Page 110: ...NXR 700 110 MEMO ...
Page 119: ...NXR 700 117 MEMO ...
Page 137: ...NXR 700 135 MEMO ...
Page 138: ...NXR 700 136 MEMO ...
Page 140: ...NXR 700 ...
Page 171: ...1 E CN300 RX_IF_VN ...