1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 30.01.2017 Sheet of
File: F:\fwdsch\PIXRACER-FMU-R12.SchDoc Drawn By:
PIXRACER-V1-FMU
3 of 5
FMU_VDD_3V3
FRAM_SCK
FRAM_MOSI
FRAM_MISO
SI
5
SCK
6
WP
3
CS
1
HOLD
7
VCC 8
GND 4
SO
2
428-3211-ND
U302
FM25V02-G
C301
100n
C304 2u2
C305 2u2
RST
FMU_VBAT
C310
100n
C311
100n
C312
100n
C313
100n
C314
100n
C315
2u2
C316
2u2
VIN
1
EN
3
GND
2
Vout 5
NC 4
U304 LP5907-Q1
C317
2u2
C319
10u
VDD_5V_IN FMU_VDD_3V3
FMU_VDD_3V3
BOOT0
94
VCAP2
73
NRST
14
OSC_IN
12
OSC_OUT
13
PA0-WKUP
23
PA1
24
PA2
25
PA3
26
PA4
29
PA5
30
PA6
31
PA7
32
PA8
67
PA9
68
PA10
69
PA11
70
PA12
71
PA13
72
PA14
76
PA15
77
PB0
35
PB1
36
PB2
37
PB3
89
PB4
90
PB5
91
PB6
92
PB7
93
PB8
95
PB9
96
PB10
47
PB11
48
PB12
51
PB13
52
PB14
53
PB15
54
PC0 15
PC1 16
PC2 17
PC3 18
PC4 33
PC5 34
PC6 63
PC7 64
PC8 65
PC9 66
PC10 78
PC11 79
PC12 80
PC13 7
PC14 8
PC15 9
PD0 81
PD1 82
PD2 83
PD3 84
PD4 85
PD5 86
PD6 87
PD7 88
PD8 55
PD9 56
PD10 57
PD11 58
PD12 59
PD13 60
PD14 61
PD15 62
PE0 97
PE1 98
PE2 1
PE3 2
PE4 3
PE5 4
PE6 5
PE7 38
PE8 39
PE9 40
PE10 41
PE11 42
PE12 43
PE13 44
PE14 45
PE15 46
VDD_1
50
VDD_2
75
VDD_3
100
VDD_4
28
VDD_5
11
VDDA
22
VSSA 20
VREF+
21
VCAP1
49
VSS_2 74
VSS_3 99
VSS_4 27
VSS_5 10
VDD_6
19
VBAT 6
U301 STM32F427VIT6
FMU_SWDIO
FMU_SWCLK
ALARM
FMU_USART4_TX
FMU_USART4_RX
VDD_5V_SENS
BATT_CURRENT_SENS
BATT_VOLT_SENS
VDD_BRICK_VALID
FMU_I2C1_SCL
FMU_I2C1_SDA
MPU9250_DRDY
VBUS
OTG_FS_DM
OTG_FS_DP
MPU9250_CS
SDIO_D0
SDIO_D1
SDIO_D2
SDIO_D3
SDIO_CK
VBUS_VALID
CAN1_RX
CAN1_TX
SDIO_CMD
FMU_USART2_CTS
FMU_USART2_RTS
FMU_USART2_TX
FMU_USART2_RX
BARO_CS
FMU_USART3_TX
FMU_USART3_RX
FRAM_CS
MPU9250_SCK
MPU9250_MISO
MPU9250_MOSI
FMU_UART7_RX
FMU_UART7_TX
FMU_LED_RED
VDD_3V3_SENSORS_EN
FMU_CH1
FMU_CH2
FMU_CH3
FMU_CH4
FMU_CH5
FMU_CH6
FRAM_SCK
FRAM_MISO
FRAM_MOSI
FRAM_CS
NC
4
NC
2
Q1 1
Q2 3
X301
24MHz
C302
8p
C303
8p
OSC_IN
OSC_OUT
SAFETY_SWITCH_IN
RSSI_IN
FMU_LED_BLUE
LED_SAFETY
FMU_RC_INPUT
FMU_LED_GREEN
FMU_VDD_3V3
FMU_SWDIO
FMU_SWCLK
1
2
3
4
5
6
JTAG
JST SM06B
8266_PD
8266_RST
8266_GPIO0
TELEMETRY1
GPS
FMU_USART3_CTS
FMU_USART3_RTS
R301
10k
BOOT0
SERIAL DEBUG
TELEMETRY2 / OSD
FMU_USART8_TX
FMU_USART8_RX
SPEKTRUM_POWER
USART1 is for ESP8266
Enables 3V3 for 8266 and Spektrum
Powers the Spektrum satelite
BOOT
FMU_UART7_RX
FMU_UART7_TX
RST
C505
100n RESET 2.93V
FMU_VDD_3V3 RST 1
VSS
3
VCC
2
U505 MCP131
RST
FMU_RC_INPUT
3V3
FMU_USART1_TX
FMU_USART1_RX
VBUS_VALID is now Active HIGH
BRICK_VALID is now Active HIGH
SBUS inverted with active HIGH ( U1203 )
PB0 and PC7 are both RC_INPUT
PB0 and PC7 are both RC_INPUT
HMC5983_DRDY
HMC5983_CS
20608_CS
20608_DRDY
C2R
8266_GPIO2
8266_GPIO2 added here
FrSky INV U1202 pin 1
78-BAS70-02V-V-G-08
D301
BAS70-02V
R318
220R
C320
220uF 4V
R319
1k
FMU_VBAT
R318 added
D301,R319,C320 added
Nick Arsov
AUAV.CO
FrSky
FrSky_INV
CAN2_RX
CAN2_TX
C2T
SBUS_INV
FMU_RC_OUTPUT
R302
10k
VDD_3V3_PERIPH_EN
DEC-06-2015-1330 RC12
BOOT1
8266_RTS
8266_CTS
PI3V301
CO3V3
PIBOOT01
COBOOT
PIBOOT101
COBOOT1
PIC2R01
COC2R
PIC2T01
COC2T
PIC30101
PIC30102
COC301
PIC30201 PIC30202
COC302
PIC30301 PIC30302
COC303
PIC30401PIC30402
COC304
PIC30501PIC30502
COC305
PIC31001 PIC31002
COC310
PIC31101 PIC31102
COC311
PIC31201 PIC31202
COC312
PIC31301 PIC31302
COC313
PIC31401 PIC31402
COC314
PIC31501 PIC31502
COC315
PIC31601 PIC31602
COC316
PIC31701
PIC31702
COC317
PIC31901
PIC31902
COC319
PIC32001
PIC32002
COC320
PIC50501
PIC50502
COC505
PID30101PID30102
COD301
PIJTAG01
PIJTAG02
PIJTAG03
PIJTAG04
PIJTAG05
PIJTAG06
COJTAG
PIR30101
PIR30102
COR301
PIR30201 PIR30202
COR302
PIR31801
PIR31802
COR318
PIR31901PIR31902
COR319
PIRST01
CORST
PIU30101
PIU30102
PIU30103
PIU30104
PIU30105
PIU30106
PIU30107
PIU30108
PIU30109
PIU301010PIU301011
PIU301012
PIU301013
PIU301014
PIU301015
PIU301016
PIU301017
PIU301018
PIU301019 PIU301020
PIU301021
PIU301022
PIU301023
PIU301024
PIU301025
PIU301026
PIU301027PIU301028
PIU301029
PIU301030
PIU301031
PIU301032
PIU301033
PIU301034
PIU301035
PIU301036
PIU301037
PIU301038
PIU301039
PIU301040
PIU301041
PIU301042
PIU301043
PIU301044
PIU301045
PIU301046
PIU301047
PIU301048
PIU301049
PIU301050
PIU301051
PIU301052
PIU301053
PIU301054
PIU301055
PIU301056
PIU301057
PIU301058
PIU301059
PIU301060
PIU301061
PIU301062
PIU301063
PIU301064
PIU301065
PIU301066
PIU301067
PIU301068
PIU301069
PIU301070
PIU301071
PIU301072
PIU301073
PIU301074PIU301075
PIU301076
PIU301077
PIU301078
PIU301079
PIU301080
PIU301081
PIU301082
PIU301083
PIU301084
PIU301085
PIU301086
PIU301087
PIU301088
PIU301089
PIU301090
PIU301091
PIU301092
PIU301093
PIU301094
PIU301095
PIU301096
PIU301097
PIU301098
PIU301099
PIU3010100
COU301
PIU30201
PIU30202
PIU30203
PIU30204
PIU30205
PIU30206
PIU30207
PIU30208
COU302
PIU30401
PIU30402
PIU30403
PIU30404
PIU30405
COU304
PIU50501PIU50502
PIU50503
COU505
PIX30101
PIX30102 PIX30103
PIX30104
COX301
PIU301041
NL82660CTS
PIU30101
NL82660GPIO0
PIU301090
NL82660GPIO2
PIU30104
NL82660PD
PIU30105
NL82660RST
PIU301067
NL82660RTS
PIU30109
NL206080CS
PIU30108
NL206080DRDY
PIRST01
PIU301014
PIU50501
NL\R\S\T\
PIU301077
NLALARM
PIU301088
NLBARO0CS
PIU301026
NLBATT0CURRENT0SENS
PIU301025
NLBATT0VOLT0SENS
PIBOOT01 PIR30101
PIU301094
NLBOOT0
PIU301081
NLCAN10RX
PIU301082
NLCAN10TX
PIC2R01
PIU301051
NLCAN20RX
PIC2T01
PIU301052
NLCAN20TX
PIU301045
NLFMU0CH1
PIU301044
NLFMU0CH2
PIU301042
NLFMU0CH3
PIU301040
NLFMU0CH4
PIU301060
NLFMU0CH5
PIU301061
NLFMU0CH6
PIU301095
NLFMU0I2C10SCL
PIU301096
NLFMU0I2C10SDA
PIU301089
NLFMU0LED0BLUE
PIU301036
NLFMU0LED0GREEN
PIU301048
NLFMU0LED0RED
PIU301035
PIU301064
NLFMU0RC0INPUT
PIU301063
NLFMU0RC0OUTPUT
PIJTAG05
PIU301076
NLFMU0SWCLK
PIJTAG04
PIU301072
NLFMU0SWDIO
PIJTAG03
PIU301038
NLFMU0UART70RX
PIJTAG02
PIU301039
NLFMU0UART70TX
PIU301093
NLFMU0USART10RX
PIU301092
NLFMU0USART10TX
PIU301084
NLFMU0USART20CTS
PIU301085
NLFMU0USART20RTS
PIU301087
NLFMU0USART20RX
PIU301086
NLFMU0USART20TX
PIU301058
NLFMU0USART30CTS
PIU301059
NLFMU0USART30RTS
PIU301056
NLFMU0USART30RX
PIU301055
NLFMU0USART30TX
PIU301024
NLFMU0USART40RX
PIU301023
NLFMU0USART40TX
PIU301097
NLFMU0USART80RX
PIU301098
NLFMU0USART80TX
PIC32002
PID30102
PIU30106
NLFMU0VBAT
PI3V301
PIC30102
PIC31002
PIC31102
PIC31202
PIC31302
PIC31402
PIC31502
PIC31602
PIC31902
PIC50502
PIJTAG01
PIR31802
PIR31901
PIU301011
PIU301019
PIU301021
PIU301022
PIU301028
PIU301050
PIU301075
PIU3010100
PIU30203
PIU30207
PIU30208
PIU30405
PIU50502
NLFMU0VDD03V3
PIU301057
PIU30201
NLFRAM0CS
PIU301053
PIU30202
NLFRAM0MISO
PIU301054
PIU30205
NLFRAM0MOSI
PIU301047
PIU30206
NLFRAM0SCK
PIU301069
NLFrSky0INV
PIC30101
PIC30201
PIC30301
PIC30402
PIC30502
PIC31001
PIC31101
PIC31201
PIC31301
PIC31401
PIC31501
PIC31601
PIC31701 PIC31901
PIC32001
PIC50501
PIJTAG06
PIR30102
PIR30201
PIR31801
PIU301010
PIU301020
PIU301027
PIU301074
PIU301099
PIU30204
PIU30402
PIU50503
PIX30102
PIX30104
PIU301046
NLHMC59830CS
PIU301043
NLHMC59830DRDY
PIU301018
NLLED0SAFETY
PIU301017
NLMPU92500CS
PIU301062
NLMPU92500DRDY
PIU301031
NLMPU92500MISO
PIU301032
NLMPU92500MOSI
PIU301030
NLMPU92500SCK
PIU30404
PID30101
PIR31902
PIC30501
PIU301073
PIC30401
PIU301049
PIBOOT101
PIR30202
PIU301037
PIC30202
PIU301012
PIX30103
NLOSC0IN
PIC30302
PIU301013
PIX30101
NLOSC0OUT
PIU301070
NLOTG0FS0DM
PIU301071
NLOTG0FS0DP
PIU301016
NLRSSI0IN
PIU301033
NLSAFETY0SWITCH0IN
PIU30107
NLSBUS0INV
PIU301080
NLSDIO0CK
PIU301083
NLSDIO0CMD
PIU301065
NLSDIO0D0
PIU301066
NLSDIO0D1
PIU301078
NLSDIO0D2
PIU301079
NLSDIO0D3
PIU30103
NLSPEKTRUM0POWER
PIU301068
NLVBUS
PIU301015
NLVBUS0VALID
PIU301034
NLVDD03V30PERIPH0EN
PIU30102
NLVDD03V30SENSORS0EN
PIC31702
PIU30401
PIU30403
NLVDD05V0IN
PIU301029
NLVDD05V0SENS
PIU301091
NLVDD0BRICK0VALID
