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DAC_OUT1
PA5/
30
O
DAC_OUT2
PA6/
31
I
ADC12_IN6
32
O
PA7
33
O
PC4
34
O
PC5
PB0/
35
I
ADC12_IN8
PB1/
36
I
ADC12_IN9
37
I/O
PB2/BOOT1
38
O
PE7
39
O
PE8
40
O
PE9
41
O
PE10
42
O
PE11
43
I
PE12
44
I
PE13
45
I
PE14
46
I
PE15
47
I
PB10
48
I
PB11
49
S
VCAP_1
50
S
VDD_1
PB12/
51
O
SPI2_NSS
PB13/
52
O
SPI2_SCK
PB14/
53
I
SPI2_MISO
PB15/
54
O
SPI2_MOSI
55
I
PD8
56
O
PD9
57
O
PD10
58
O
PD11
59
O
PD12
Controls the TCXO reference frequency D / A
MOD2_BIAS
output
POWER_DET
POWER_C
RF_APC_SW
RF amplifier switch control; active high.
5TC
RSSI
BUSY
BOOT1/
The default 10K resistor is grounded.
FM_SW
FM_MUTE
FM receive channel mute control.
VCOVCC_SW
DMR_SW
DMR receive IF path switch control
VOL_MAX
MIC_SW
Internal MIC mute control, high level INT_MIC.
PTT_KEY
ALARM_KEY
ENCODE_IN0
ENCODE_IN1
ENCODE_IN2
ENCODE_IN3
VCAP_1
VDD_1
DMR_CS
DMR_SCLK
DMR_SDO
DMR_SDI
PLL_LD
PLL_CS
PLL_DAT
PLL_CLK
LCD_RES
Power switch input.
Power on control; active high.
5T power control, active high.
RSSI detection input.
BUSY detection
RXVCO / TXVCO power control.
Maximum volume control, active high.
PTT key input
Alarm key input
Channel coding input 0
Channel coding input 1
Channel coding input 2
Channel coding input 3
External capacitor to ground.
Connect 3.3V.
Connect to HR_C5000 at pin 58 U_CS.
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
PLL lock detection, high when locked.
PLL enable control
PPLL_DAT output control
PLL_CLK clock pin
LCD_RES
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