Witam mam do dyspozycji płytkę ewaluacyjną STM32 HY-mini. Programowanie jak i zasilanie jest realizowane poprzez port USB (po drodze układ konwertujący USB na RS232 - PL2303). Mam napisany program do komunikacji w obie strony z komputerem poprzez ten kabel USB. Zależy mi jednak aby płytka była zasilana zewnętrznie, ponieważ komunikacja nie zawsze mi będzie potrzebna a płytka musi działać autonomicznie. Pytanie: Czy mogę zasilać płytkę z zasilacza 5 i jednocześnie używać tego portu do komunikacji który de facto też próbuje zasilić tę płytkę? Jakie są tego konsekwencje? W załączniku zamieszczam schemat płytki.
D
C
B
A
Peripheral
Peripheral.Sch
D
CPU
CPU.Sch
FSMC_D0
FSMC_D1
FSMC_D2
FSMC_D3
FSMC_D4
FSMC_D5
FSMC_D6
FSMC_D7
FSMC_D8
FSMC_D9
FSMC_D10
FSMC_D11
FSMC_D12
FSMC_D13
FSMC_D14
FSMC_D15
LCD_CS
LCD_RS
LCD_WR
LCD_RD
RST
SDIO_D0
SDIO_D1
SDIO_D2
SDIO_D3
SDIO_CMD
SDIO_CK
SD_CD
TP_CS
SPI_SCK
SPI_MISO
SPI_MOSI
TP_IRQ
BL_CNT
USB_DM
USB_DP
USB_EN
LED1
LED2
USER_KEYA
USER_KEYB
USART1_TX
USART1_RX
JTDO
JTDI
JTCK
JTMS
JTRST
FSMC_D0
FSMC_D1
FSMC_D2
FSMC_D3
FSMC_D4
FSMC_D5
FSMC_D6
FSMC_D7
FSMC_D8
FSMC_D9
FSMC_D10
FSMC_D11
FSMC_D12
FSMC_D13
FSMC_D14
FSMC_D15
LCD_CS
LCD_RS
LCD_WR
LCD_RD
RST
SDIO_D0
SDIO_D1
SDIO_D2
SDIO_D3
SDIO_CMD
SDIO_CK
SD_CD
TP_CS
SPI_SCK
SPI_MISO
SPI_MOSI
TP_IRQ
BL_CNT
USB_DM
USB_DP
USB_EN
LED1
LED2
USER_KEYA
USER_KEYB
USART1_TX
USART1_RX
JTDO
JTDI
JTCK
JTMS
JTRST
C
B
Title
Size
A4
Date:
File:
www.PowerMCU.com
Number
HY-MiniSTM32
7-Nov-2010
Sheet of
F:\????\HY-MiniSTM32\HY-MiniSTM32.Ddb
Drawn By:
Revision
A
1
2
3
4
6
5
U1
JP1
PA8
PA9
PA10
PA11
PA12
PA13
PA14
PA15
PE1
PE3
PE5
VBAT
PC14
PC0
PC2
GND
VREF+
PA0
PA2
PA4
PA6
PC4
PB0
PB2
PE8
PE10
PE12
PE14
PB10
GND
USART1_TX
USART1_RX
USB_DM
USB_DP
JTMS
JTCK
JTDI
LED1
LED2
USER_KEYB
JTDO
JTRST
BL_CNT
TP_IRQ
USB_EN
3V3
HEADER 24X2
C
SDIO_D0
SDIO_D1
SDIO_D2
SDIO_D3
SDIO_CK
USER_KEYA
B
R1
0R
1
95
96
47
48
51
52
53
54
15
16
17
18
33
34
63
64
65
66
78
79
80
7
8
9
R2
0R
4
2
C3
10P
35
36
37
89
90
91
92
93
PC8
PC9
PC10
PC11
PC12
PC13
PC14
PC15
TP_CS
SPI_SCK
SPI_MISO
SPI_MOSI
67
68
69
70
71
72
76
77
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
5V
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
23
24
25
26
29
30
31
32
PB8
PB9
PB10
PB11
PB12
PB13
PB14
PB15
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
D
PE0
PE2
PE4
PE6
PC13
PC15
PC1
PC3
GND
VDDA
PA1
PA3
PA5
PA7
PC5
PB1
PE7
PE9
PE11
PE13
PE15
PB11
3V3
3
Y2
32.768K
C4
10P
VDDA
50
75
100
28
11
22
21
VREF+
JP2
81
82
83
84
85
86
87
88
PA8/USART1_CK/TIM1_CH1/MCO
PA9/USART1_TX/TIM1_CH2
PA10/USART1_RX/TIM1_CH3
PA11/USART1_CTS/CAN_RX/TIM1_CH4/USB_DM
PA12/USART1_RTS/CAN_TX/TIM1_ETR/USB_DP
PA13/JTMS/SWDIO
PA14/JTCK/SWCLK
PA15/JTDI/SPI3_NSS/I2S3_WS
PB0/ADC12_IN8/TIM3_CH3/TIM8_CH2N/TIM1_CH2N
PB1/ADC12_IN9/TIM3_CH4/TIM8_CH3N/TIM1_CH3N
PB2/BOOT1
PB3/JTDO/TRACESWO/SPI3_SCK/I2S3_CK/TIM2_CH2/SPI1_SCK
PB4/NJTRST/SPI3_MISO/TIM3_CH1/SPI1_MISO
PB5/I2C1_SMBA/SPI3_MOSI/I2S3_SD/TIM3_CH2/SPI1_MOSI
PB6/I2C1_SCL/TIM4_CH1/USART1_TX
PB7/I2C1_SDA/FSMC_NADV/TIM4_CH2/USART1_RX
PB8/TIM4_CH3/SDIO_D4/I2C1_SCL/CAN_RX
PB9/TIM4_CH4/SDIO_D5/I2C1_SDA/CAN_TX
PB10/I2C2_SCL/USART3_TX/TIM2_CH3
PB11/I2C2_SDA/USART3_RX/TIM2_CH4
PB12/SPI2_NSS/I2S2_WS/I2C2_SMBA/USART3_CK/TIM1_BKIN
PB13/SPI2_SCK/I2S2_CK/USART3_CTS/TIM1_CH1N
PB14/SPI2_MISO/TIM1_CH2N/USART3_RTS
PB15/SPI2_MOSI/I2S2_SD/TIM1_CH3N
PE8/FSMC_D5/TIM1_CH1N
PE9/FSMC_D6/TIM1_CH1
PE10/FSMC_D7/TIM1_CH2N
PE11/FSMC_D8/TIM1_CH2
PE12/FSMC_D9/TIM1_CH3N
PE13/FSMC_D10/TIM1_CH3
PE14/FSMC_D11/TIM1_CH4
PE15/FSMC_D12/TIM1_BKIN
PC0/ADC123_IN10
PC1/ADC123_IN11
PC2/ADC123_IN12
PC3/ADC123_IN13
PC4/ADC12_IN14
PC5/ADC12_IN15
PC6/I2S2_MCK/TIM8_CH1/SDIO_D6/TIM3_CH1
PC7/I2S3_MCK/TIM8_CH2/SDIO_D7/TIM3_CH2
PE8
PE9
PE10
PE11
PE12
PE13
PE14
PE15
FSMC_D2
FSMC_D3
SDIO_CMD
SD_CD
LCD_RD
LCD_WR
LCD_CS
FSMC_D13
FSMC_D14
FSMC_D15
LCD_RS
FSMC_D0
FSMC_D1
PB13
PB15
PD9
PD11
PD13
PD15
PC7
PC9
PA9
PA11
PA13
PA15
3V3
PC11
PD0
PD2
PD4
PD6
PB3
PB5
PB7
PB9
D
3V3
HEADER 24X2
FSMC_D4
FSMC_D5
FSMC_D6
FSMC_D7
FSMC_D8
FSMC_D9
FSMC_D10
FSMC_D11
FSMC_D12
Y1
8M
13
C
S1
BOOT0
C2
22P
94
BOOT0
3V3
BOOT0
R15
R10
510R
14
NRST
10K
RST
RST
VBAT BT1
6
VBAT
R16
10K
S2
RST
3V
B
C7
104
49
74
99
27
10
19
20
VSS_1
VSS_2
VSS_3
VSS_4
VSS_5
VSSA
VREF-
3V3
STM32F103VCT6
3V3
VDDA
L1
3V3
10uH
VREF+
L2
10uH
C16
C9
104
5V
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
C1
22P
OSC_OUT
3V3
C8
104
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
12
OSC_IN
VDD_1
VDD_2
VDD_3
VDD_4
VDD_5
VDDA
VREF+
PB12
PB14
PD8
PD10
PD12
PD14
PC6
PC8
PA8
PA10
PA12
PA14
GND
PC10
PC12
PD1
PD3
PD5
PD7
PB4
PB6
PB8
73
NC
PC8/TIM8_CH3/SDIO_D0/TIM3_CH3
PC9/TIM8_CH4/SDIO_D1/TIM3_CH4
PC10/USART4_TX/SDIO_D2/USART3_TX
PC11/USART4_RX/SDIO_D3/USART3_RX
PC12/USART5_TX/SDIO_CK/USART3_CK
PC13/TAMPER-RTC
PC14/OSC32_IN
PC15/OSC32_OUT
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
39
40
41
42
43
44
45
46
PE0/TIM4_ETR/FSMC_NBL0
PE1/FSMC_NBL1
PE2/TRACECK/FSMC_A23
PE3/TRACED0/FSMC_A19
PE4/TRACED1/FSMC_A20
PE5/TRACED2/FSMC_A21
PE6/TRACED3/FSMC_A22
PE7/FSMC_D4/TIM1_ETR
PD8
PD9
PD10
PD11
PD12
PD13
PD14
PD15
97
98
1
2
3
4
5
38
PD8/FSMC_D13/USART3_TX
PD9/FSMC_D14/USART3_RX
PD10/FSMC_D15/USART3_CK
PD11/FSMC_A16/USART3_CTS
PD12/FSMC_A17/TIM4_CH1/USART3_RTS
PD13/FSMC_A18/TIM4_CH2
PD14/FSMC_D0/TIM4_CH3
PD15/FSMC_D1/TIM4_CH4
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
55
56
57
58
59
60
61
62
PA0/WKUP/USART2_CTS/ADC123_IN0/TIM5_CH1/TIM2_CH1_ETR/TIM8_ETR
PD0/FSMC_D2/CAN_RX
PA1/USART2_RTS/ADC123_IN1/TIM5_CH2/TIM2_CH2
PD1/FSMC_D3/CAN_TX
PA2/USART2_TX/TIM5_CH3/ADC123_IN2/TIM2_CH3
PD2/TIM3_ETR/USART5_RX/SDIO_CMD
PA3/USART2_RX/TIM5_CH4/ADC123_IN3/TIM2_CH4
PD3/FSMC_CLK/USART2_CTS
PA4/SPI1_NSS/DAC_OUT1/USART2_CK/ADC12_IN4
PD4/FSMC_NOE/USART2_RTS
PA5/SPI1_SCK/DAC_OUT2/ADC12_IN5
PD5/FSMC_NWE/USART2_TX
PA6/SPI1_MISO/TIM8_BKIN/ADC12_IN6/TIM3_CH1/TIM1_BKIN
PD6/FSMC_NWAIT/USART2_RX
PA7/SPI1_MOSI/TIM8_CH1N/ADC12_IN7/TIM3_CH2/TIM1_CHIN PD7/FSMC_NE1/FSMC_NCE2/USART2_CK
C10
104
C11
104
C12
104
C13
104
C14
104
C15
104
C25
C17
C26
104
106
104
106
A
A
Title
Size
B
Date:
File:
1
2
3
4
5
www.PowerMCU.com
Number
Revision
HY-MiniSTM32
7-Nov-2010
Sheet of
Drawn By:
F:\????\HY-MiniSTM32\HY-MiniSTM32.Ddb
6
1
2
3
4
6
5
3V3
3V3
R21
10K
CN1
D
8
7
6
5
4
3
2
1
SDIO_D1
SDIO_D0
SDIO_CK
3V3
SDIO_CMD
SDIO_D3
SDIO_D2
R18
10K
R20
10K
R22
10K
R4
0R CN2
1
VBUS
2
D-(DM)
3
D+(DP)
4
ID
5
GND
R36
D1
D0
VSS
CLK
VDD
CMD
CD/D3
D2
USB_DM
10
9
GND
CD
DD+
22R
R37
USB_DP
22R
3V3
2
TF-SD
R3
0R
R34
SD_CD
E
R23
10K
USB_EN
R26 10K
R40
1K5
C
B
R19
10K
0
0R
D
S3
KEYA
Button A
SHIELD
3
Q1
8550
R24
10K
R5
USER_KEYA
MINI-USB
R11
510R
LD1
LED
BUTTON
1
R17
10K
5V
1K
3V3
3V3
USB Device
SD Card
R27
10K
R13
USER_KEYB
510R
S4
KEYB
Button B
LCD_CS
LCD_CS
LCD_WR
RST
5V
BL_CNT
R7
0R
R6
0R
TP_CS
SPI_MOSI
3V3
R28
10K
C
5V
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
3V3
FSMC_D1
FSMC_D3
FSMC_D5
FSMC_D7
FSMC_D9
FSMC_D11
FSMC_D13
FSMC_D15
LCD_RS
LCD_RD
R8
0R
5V
3V3
A
GND
D1
D3
D5
D7
D9
D11
D13
D15
RS
RD
NC
BLGND
TP_IRQ
TP_SCK
TP_SO
GND
R35
1K
U2
C18
104
C19
104
LT1117-3.3
5V
3V3
LD2
PWR
3
C22
104
C27
22uF
IN
GND
10K
5V
D0
D2
D4
D6
D8
D10
D12
D14
CS
WR
RST
BLVDD
BL_CNT
TP_CS
TP_SI
3V3
OUT
2
LD3
C28
1
R25
3V3
CN4
21
FSMC_D0
FSMC_D2
FSMC_D4
FSMC_D6
FSMC_D8
FSMC_D10
FSMC_D12
FSMC_D14
5V
1
3
5
7
9
11
13
15
17
19
21
RST 23
25
27
29
31
33
K
C
R12 A
LED1
C20
104
510R
1
2
K
LED1
22uF
LD4
TP_IRQ
SPI_SCK
SPI_MISO
R14 A
LED2
510R
HY32D
Power
LCD
1
2
K
LED2
LED
B
B
3V3
C5
10P
C6
10P
Y3
CN5
U3
USART1_RX
C21
104
PA10
3V3
USART1_TX
PA9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
TXD
DTR_N
RTS_N
VDD_325
RXD
RI_N
GND
28
27
26
25
24
23
22
21
OSC2
OSC1
PLL_TEST
GND_A
NC
GP1
GP0
GND
NC
DSR_N
DCD_N
CTS_N
SHTD_N
EE_CLK
EE_DATA
C24
104
R38 22R
5V
R39 22R
C23
17
16
15
VO_33
DM
DP
JTRST
JTDI
JTMS
JTCK
5V
20
19
18
VDD_5
NC
GND
R29 R30 R31 R32
10K 10K 10K 10K
12M
104
C29
10u
R9
0R CN3
1
VBUS
2
D-(DM)
3
D+(DP)
4
ID
5
GND
0
JTDO
RST
R33
10K
2
4
6
8
10
12
14
16
18
20
JTAG
JTAG
SHIELD
A
Title
Size
USB to RS232
2
Vref
Vsupply
nTRST
GND1
TDI
GND2
TMS
GND3
TCK
GND4
RTCK
GND5
TDO
GND6
nSRST
GND7
DBGRQ
GND8
DBGACK GND9
MINI-USB
R41
1K5
PL2303HX
1
1
3
5
7
9
11
13
15
17
19
B
Date:
File:
3
4
5
www.PowerMCU.com
Number
Revision
HY-MiniSTM32
7-Nov-2010
Sheet of
Drawn By:
F:\????\HY-MiniSTM32\HY-MiniSTM32.Ddb
6