Этап 3. Разработка схемы электрической принципиальной
Распиновка для ПЗУ:
Рисунок 19 SPI-подключение для экрана
XP1 |
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Цепь |
Конт. |
+27V |
1 |
GND |
2 |
GND |
3 |
DS-213 |
|
XP2 |
|
Цепь |
Конт. |
X_AXIS |
1 |
+Uпит |
2 |
GND |
3 |
DS-1023 - 1x3 |
|
XP3 |
|
Цепь |
Конт. |
Y_AXIS |
1 |
Z_SW |
2 |
GND |
3 |
DS-1023 - 1x3 |
|
XP4 |
|
Цепь |
Конт. |
RST |
1 |
SWDIO |
2 |
GND |
3 |
GND |
4 |
SWIM |
5 |
SWCLK |
6 |
3.3V |
7 |
3.3V |
8 |
5.0V |
9 |
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D1 |
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L1 |
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+27V |
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2 |
Vin |
DC/DC |
Vout |
1 |
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+3V3 |
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C1 |
5 |
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150 мк |
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ON/OFF |
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VD1 |
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120 мк |
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R5 |
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C10 |
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3 |
GND |
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FB |
4 |
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1N5822 |
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1,69 к |
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120 мк |
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GND |
GND |
GND |
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GND |
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GND |
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LM2595-3.3 |
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R6 |
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1 к |
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1 |
к |
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R4 |
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X_AXIS |
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D2 |
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GND |
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+3V3 |
Q_CS |
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1 |
CS |
ROM |
VCC |
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8 |
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+3V3 |
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DIO1 |
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2 |
IO1 |
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IO3 |
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7 |
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DIO3 |
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GND |
DIO2 |
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3 |
IO2 |
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CLK |
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6 |
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SCLK |
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4 |
GND |
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IO0 |
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5 |
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DIO0 |
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GND |
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W25N02KVZEIR |
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Y_AXIS |
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D3 |
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R3 |
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IR |
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Z_SW |
+3V3 |
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2 |
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VS |
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3 |
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IR |
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OUT |
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1 |
к |
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C4 |
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1 |
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GND |
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|||||
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0,1 мк |
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GND |
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GND |
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GND |
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TSOP31230 |
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D4A |
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+3V3 |
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1 |
VBAT |
MCU |
VSSA |
12 |
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SWDIO |
+3V3 |
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19 |
VDD |
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VSS |
18 |
GND |
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C2 |
C3 |
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C5 |
C6 |
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C8 |
32 |
VDD |
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VSS |
31 |
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R2 |
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48 |
VDD |
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VSS |
47 |
|
10 к |
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|
0,1 мк |
0,1 мк |
0,1 мк |
0,1 мк |
0,1 мк |
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C11 |
|||||
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||||||||||
GND |
|
GND |
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GND |
GND |
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GND |
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GND |
64 |
VDD |
|
VSS |
63 |
2,2 мк |
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SWCLK |
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13 |
VDDA |
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VCAP_1 |
30 |
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+3V3 |
C7 |
C9 |
|
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1 |
мк |
0,1 мк |
|
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|
STM32F446 LQFP64 |
|
GND |
|
GND |
R1 |
|
10 |
к |
D4B
IR |
17 |
CS |
20 |
SCK |
21 |
MISO |
22 |
MOSI |
23 |
|
24 |
|
25 |
X_AXIS |
26 |
Y_AXIS |
27 |
Z_SW |
29 |
|
2 |
OSC_I |
3 |
OSC_O |
4 |
|
5 |
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6 |
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7 |
|
8 |
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9 |
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10 |
|
11 |
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14 |
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16 |
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33 |
|
34 |
|
35 |
|
36 |
PA3 |
MCU |
QUADSPI_IO0 |
PA4 |
|
QUADSPI_IO1 |
PA5 |
|
QUADSPI_IO2 |
PA6 |
|
QUADSPI_IO3 |
PA7 |
|
QUADSPI_CLK |
PC4 |
|
QUADSPI_NCS |
PC5 |
|
PC7 |
PB0 |
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PC8 |
PB1 |
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PA8 |
PB10 |
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PA9 |
PC13 |
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PA10 |
PC14 |
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PA11 |
PC15 |
|
PA12 |
PH0 |
|
PA13 |
PH1 |
|
PA14 |
NRST |
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PA15 |
PC0 |
|
PC12 |
PC1 |
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PD2 |
PC2 |
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PB3 |
PC3 |
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PB4 |
PA0 |
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PB5 |
PA2 |
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PB7 |
PB12 |
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BOOT0 |
PB13 |
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PB8 |
PB14 |
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PB9 |
PB15 |
|
PC6 |
|
STM32F446 LQFP64 |
|
40 |
DIO0 |
51DIO1
52DIO2
15 |
DIO3 |
28 |
SCLK |
58 |
Q_CS |
38 |
|
39 |
|
41 |
|
42 |
|
43 |
|
44 |
|
45 |
|
46 |
SWDIO |
49 |
SWCLK |
50 |
|
53 |
|
54 |
|
55 |
|
56 |
|
57 |
|
59 |
|
60 |
|
61 |
|
62 |
|
37 |
|
VD4 |
VD6 |
VD8 |
VD10 |
VD2 |
|
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|
VD3 |
VD5 |
VD7 |
VD9 |
5.0V |
10 |
|
|
DS1013-10S |
GND |
|
R7 |
|
|
||
|
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C12 |
|
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|
10 |
|
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2 |
0 |
|
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BQ1 |
|
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|
8 МГц |
|
|
1 |
R8 |
|
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C13 |
|
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|
10 |
|
|
GND |
|
0 |
LED-
LED+
+3V3
GND
|
CS |
|
MISO |
|
MOSI |
|
SCK |
LED+ |
|
LED- |
+3V3 |
OSC_I |
GND |
OSC_O |
|
Рисунок 20 Схема Э3 фоторамка
|
XP5 |
Конт. |
Цепь |
1LED-
2LED+
3VDD
4GND
5DB0
6DB1
7DB2
8DB3
9DB4
10DB5
11DB6
12DB7
13DB8
14DB9
15DB10
16DB11
17DB12
18DB13
19DB14
20DB15
21DB16
22DB17
23DOTCLK
24ENABLE
25HSYNC
26VSYNC
27TE
28CSX
29SDA
30SDO
31DCX
32WRX
33RESET
34IM1_IM2
35IM3
36RDX
37TOUCH CLK
38TOUCH SDA
39TOUCH INT ZIF CONNECTOR