NXR-810
94
Pin No.
Name
I/O
Function
14
/RXPCS_TR
O
RX PLL chip select signal
15
LDT
I
TX PLL lock detect signal
16
/16_8PCS
O
Reference clock PLL chip select signal
17
LDR
I
RX PLL lock detect signal
18
/TXPCS
O
TX PLL chip select signal
19
SPSCLK0
O
Serial clock
20
SPSD0
O
Serial data
21
SBC
O
SwB control signal
22
GND
-
Ground
23
MOD
O
Audio signal for TX modulation
24
GND
-
Ground
25
RSSI
I
RSSI voltage
26
AGC
O
Auto gain control voltage
27
33A
O
3.3V voltage
28
/EWP
O
EEPROM write control signal
29
HWV1
I
Hardware version signal
30
I2CCK
O
Serial clock
31
SPSCLK1
O
Serial clock
32
I2CDA
I/O
Serial data
33
SPSD1
O
Serial data
34
/IOCS
I
IO expander chip select signal
35
/EVCS
O
DA converter chip select signal
36
NC
-
No connection
CN39
IN
IF_SIG
I
450kHz IF signal
OUT
GND
-
Ground
CN40 (To X54-373 CN502)
1
SB
O
Power supply input
2
SB
O
Power supply input
3
GND
-
Ground
4
NC
-
No connection
5
DAT
O
Serial data
6
PSW
I
Power switch signal
7
STB1
O
Data latch signal
8
CLK
O
Serial clock
9
SOE
O
Output enable signal
10
TXD1
I/O
MIC PTT, UART TX data
11
K1
I
Key scan input
12
RXD1
I
Hook detect signal, UART TX data
13
K2
I
Key scan input
14
K3
I
Key scan input
Pin No.
Name
I/O
Function
15
K4
O
Key scan output
16
K5
O
Key scan output
17
VLI
I
Speaker audio level control voltage
18
5C
O
5V voltage
19
MIG
-
MIC ground
20
MIC
I
MIC signal
CN41 (To TEST/SPKR 15pin Connector)
1
SB
O
Power supply output
2
SB
O
Power supply input
3
GND
-
Ground
4
GND
-
Ground
CN42 (To TEST/SPKR 15pin Connector)
1
AO5
O
Auxiliary output 5
2
AO4
O
Auxiliary output 4
3
AO3
O
Auxiliary output 3
4
SPO
O
Speaker AF output
5
SPO
O
Speaker AF output
6
AO2
O
Auxiliary output 2
7
AO1
O
Auxiliary output 1
8
SPI
I
Internal speaker AF input
9
RSI
O
RSSI voltage
10
RD
O
RX data output
11
SPG
-
Speaker ground
12
SPG
-
Speaker ground
CN43 (To INT SPKR )
1
SPO
O
Internal speaker AF output
2
SPG
-
Speaker ground
CN44 (To CONTROL I/O 25pin D-sub Connector)
1
NC
-
No connection
2
NC
-
No connection
3
SPM_D25
I
Speaker mute signal input
4
IO6_D25
I/O
Programmable function input/output 6
5
RXG
-
RX signal ground for RA,RD
6
IO5_D25
I/O
Programmable function input/output 5
7
RA_D25
O
RX Audio output (voice)
8
IO4_D25
I/O
Programmable function input/output 4
9
RD_D25
O
RX Data output (data or signaling)
10
IO3_D25
I/O
Programmable function input/output 3
11
TA_D25
I
TX Audio input (voice)
12
IO2_D25
I/O
Programmable function input/output 2
13
TD_D25
I
TX Data input (data or signaling)
TERMINAL FUNCTION
