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PB4/
90
I
SPI3_MISO
PB5/
91
O
SPI3_MOSI
92
O
PB6
93
O
PB7
PB8/
95
O
I2C1_SCL
PB9/
96
O
I2C1_SDA
47
I
PB10
48
I
PB11
PB12/
51
O
SPI2_NSS
PB13/
52
O
SPI2_SCK
PB14/
53
I
SPI2_MISO
PB15/
54
O
SPI2_MOSI
15
I
PC0/EXTI0
16
I
PC1/EXTI1
17
I
PC2/EXTI2
PC3/EXTI3/
18
I
AD123_IN13
33
O
PC4
34
O
PC5
63
O
PC6/TIM8_CH1
64
O
PC7/TIM8_CH2
65
O
PC8/TIM8_CH3
66
O
PC9
PC10/
78
O
I2S3_CK
PC11/
79
O
I2S3ext_SD
PC12/
80
I
I2S3_SD
7
O
PC13
8
O
PC14
9
O
PC15
V_SDO
V_SDI
SELECT
MODE
SCL
SDA
ENCODE_IN2
ENCODE_IN3
DMR_CS
DMR_SCLK
DMR_SDO
DMR_SDI
TIME_SLOT_INTER
SYS_INTER
RF_TX_INTER
RF_RX_INTER
RF_APC_SW
RF amplifier switch control; active high.
5TC
FAST_LOCK
CTC/DCS_OUT
BEEP
5RC
I2S_CK
I2S_RX
I2S_TX
TX_LED
RX_LED
LAMP
Connect HR_C5000 to pin 42 V_SDO
Connect HR_C5000 to pin 41 V_SDI
Internal external audio output selection, high level external.
Audio amplifier control, high level open
Connect the chip to the third pin, an external
pull-up resistor to 3.3V.
Connect the encryption chip pin 4, external
pull-up resistor to 3.3V.
Channel code input 2
Channel code input 3
Connect the HR_C5000 58th U_CS, an external
pull-up resistor to 3.3V.
Connect to HR_C5000 at pin 57 U_SCLK
Connect to HR_C5000 at pin 55 U_SDO
Connect to HR_C5000 at pin 56 U_SDI
Connect to HR_C5000 at 48 feet TIME_SLOT_INTER
Connect to HR_C5000 pin 49 SYS_INTER
Connect to HR_C5000 at 50 feet RF_TX_INTER
Connect HR_C5000 pin 51 RF_RX_INTER. Reserved
for 2T / 5T / DTMF input detection.
5
T power control, active high.
Fast lock voltage PWM output
CTC / DCS PWM output to TCXO
BEEP / ALARM / DTMF PWM output
5R power control, active high.
Connect the HR_C5000 to the 36th foot I2S_CK
Connect HR_C5000 pin 34 I2S_RX
Connect HR_C5000 to pin 35 I2S_TX
TX_LED control; active high.
RX LED control; active high.
Key backlight control, active high
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