5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
PB10 & PB11 reserved for
communication:
IIC2 or UART3
PB0 reserved for
ADC
MOS_BK
LCD_BK/RF_PWR_UP
NRST
VDDA
VDDA
NRST
SWDIO
SWCLK
SWDIO
SWCLK
UART2_RX
UART2_TX
SPI1_SCK
SPI1_MOSI
SPI1_CE
UART2_TX
UART2_RX
RF_DR
RF_CD
SPI1_MISO
LCD_DC/RF_TRXCE
LCD_RST/RF_TX_EN
SPI1_SCK
SPI1_MISO SPI1_MOSI
RF_DRRF_AM
LCD_DC/RF_TRXCE
LCD_RST/RF_TX_EN
LCD_BK/RF_PWR_UP
RF_CD
SPI1_CE
LCD_BK/RF_PWR_UP
MOS_BK
RF_AM
3p3V
3p3V
3p3V
3p3V
3p3V
3p3V
3p3V
3p3V
3p3V
PULSE_SD
T_ADC
SIGNAL_SW
OUTPUT_SW
SIG_RECEIVE
BATTERY
PULSE_A
PULSE_B
Title
Size Document Number Rev
Date: Sheet of
Control and HUI 0.1
Fishing Sonar
A
1 3Saturday, May 04, 2013
Title
Size Document Number Rev
Date: Sheet of
Control and HUI 0.1
Fishing Sonar
A
1 3Saturday, May 04, 2013
Title
Size Document Number Rev
Date: Sheet of
Control and HUI 0.1
Fishing Sonar
A
1 3Saturday, May 04, 2013
C1 0.1uFC1 0.1uF
C6 20pFC6 20pF
R1 41KR1 41K
R3 1KR3 1K
Y1
8M
Y1
8M
J1
RS232
J1
RS232
5V
1
TxD
2
RxD
3
GND
4
R5 47KR5 47K
C40.1uF C40.1uF
R4
1M
R4
1M
C90.1uF C90.1uF
C20.1uF C20.1uF
Q1
BC807
Q1
BC807
1
23
R2100K R2100K
C30.1uF C30.1uF
C7 0.1uFC7 0.1uF
J3
SWD_Conn
J3
SWD_Conn
1
1
2
2
3
3
4
4
5
5
MCU1
STM32F103C8T6
MCU1
STM32F103C8T6
VBAT
1
PC13_RTC
2
PC14_OSC32_IN
3
PC15_OSC32_OUT
4
PD0-OSC_IN
5
PD1-OSC_OUT
6
NRST
7
VSSA
8
VDDA
9
PA0-WKUP
10
PA1
11
PA2
12
PA3
13
PA4
14
PA5
15
PA6
16
PA7
17
PB0
18
PB1
19
PB2
20
PB10
21
PB11
22
VSS_1
23
VDD_1
24
PB12
25
PB13
26
PB14
27
PB15
28
PA8
29
PA9
30
PA10
31
PA11
32
PA12
33
PA13
34
VSS_2
35
VDD_2
36
PA14
37
PA15
38
PB3
39
PB4
40
PB5
41
PB6
42
PB7
43
BOOT0
44
PB8
45
PB9
46
VSS_3
47
VDD_3
48
C5 20pFC5 20pF
J2
nRF905_U
J2
nRF905_U
VCC
1
CE
2
UCK
3
AM
4
MISO
5
SCK
6
GND1
7
GND2
8
CSN
9
MOSI
10
DR
11
CD
12
PWR
13
TXE
14
- 1
- 2
- 3
- 4
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