1-32 (No.RA033<Rev.001>)
2.8.6 TX Unit (XC1-0650-10) (A/3)
7
EXT_MOND
25
I External monitor signal
8
TXD0_D25
O UART TX data
9
/EPTT_D25
I External PTT
10
AI1_D25
(CTS)
I Programmable function input 1
11
SC_D25
O Squelch control output
12
AI2_D25
(RTS)
I Programmable function input 2
13
BER_DATA_
D25
O Bitt error rate data
14
AI3_D25
I Programmable function input 3
15
TXG
- TX signal ground for TA,TD
16
DG
- Control line ground
17
IO1_D25
I/O Programmable function input/output 1
18
TD_D25
I TX-DATA input (data or signaling)
19
IO2_D25
I/O Programmable function input/output 2
20
TA_D25
I TX audio input (voice)
21
IO3_D25
I/O Programmable function input/output 3
22
RD_D25
O RX-DATA output (data or signaling)
23
IO4_D25
I/O Programmable function input/output 4
24
RA_D25
O RX-Audio output (voice)
25
IO5_D25
I/O Programmable function input/output 5
26
RXG
- RX-signal ground for RA,RD
27
IO6_D25
I/O Programmable function input/output 6
28
SPM_D25
I Speaker mute signal input
29
NC
- No connection
30
NC
- No connection
CN830 (To Final Unit XC3-015 D/5 CN800)
1
VBUS
I USB VBUS(5V) input
2
D+
I/O USB Data minus
3
D-
I/O USB Data plus
4
GND
- USB Ground
Pin
No.
Name
I/O
Function
CN207 (To Final Unit XC3-015 CN1)
1
TX_OUT
O Drive power output
CN404 (To RX Unit XC1-066 CN802)
1
RX_REF
O 19.2MHz reference signal for RX unit
CN405 (To Control Unit XC1-064 CN102)
1
CONT_REF
O 19.2MHz reference signal for Control
unit
CN502 (To "REF IN" BNC Receptacle)
1
REF_IN
I 10.0MHz external reference signal in-
put
Pin
No.
Name
I/O
Function
CN601 (To "REF OUT" BNC Receptacle)
1
REF OUT
O 10.0MHz reference signal output
CN602 (To OCXO Unit X42-328 CN2)
1
OCXO
I Optional OCXO reference signal input
CN722 (To Control unit XC1-064 CN101)
1
MOD
I Audio signal for TX modulation
2
GND
- Ground
3
RF_B_ON
I RF +B switch control signal
4
SPSD1
I SPI1 data
5
/LDAC
I Simultaneous update of 10-bit DAC
outputs
6
SPSCLK1
I SPI1 clock
7
GND
- Ground
8
SPSI1
O SPI1 data
9
TXASSIST
I TX PLL assist voltage
10
TX_CV
O TX VCO lock voltage
11
8TC
I 8V power supply control
12
ASTSW_TX
I TX PLL assist control signal
13
33D
I 3.3V power supply
14
/EWP
I EEPROM write control signal
15
I2CCK2
I I2C clock2
16
GND
- Ground
17
I2CDA2
I/O I2C data2
18
/ADCCS
I AD converter chip select signal
19
/DACCS
I DA converter chip select signal
20
/TXPCS
I TX PLL chip select signal
21
/EVTXCS
I TX EVOL chip select signal
22
GND
- Ground
23
/REFPCS
I REF PLL chip select signal
24
/MODPCS
I MOD PLL chip select signal
25
/TXIOINT
I Interrupt signal of IO Expander(TX)
26
/IO_RST
I Reset signal of IO Expander(ALL)
27
33MPU
I 3.3V power supply
28
ANT_SW
I ANT switch control
29
I2CCK
I I2C clock
30
GND
- Ground
31
I2CDA
I/O I2C data
32
OC_CURR
O Monitor of the voltage which detects
current consumption of OCXO unit
33
GND
- Ground
34
RAMP
I RF power control voltage
35
GND
- Ground
36
/OC_VE_EN
I Serial data enable signal to potenti-
ometer of OCXO unit
CN723 (To Final Unit XC3-015 CN20)
1
ANT_SW
O ANT switch control
Pin
No.
Name
I/O
Function
Summary of Contents for NXR-5700
Page 121: ...MEMO ...
