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UM2032 数据表(PDF) 37 Page - STMicroelectronics |
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UM2032 数据表(HTML) 37 Page - STMicroelectronics |
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37 / 48 page  Figure 16. 32F412GDISCOVERY LCD 411 LCD MB1209 D-02 6/29/2016 Title: Size: Reference: Date: Sheet: of A3 Revision: STM32F412G-DISCO Project: PD5 PD4 PD7 VLED- 41 AVDD 37 VDDREG 34 GVSS 40 PVDD 38 P68 5 IM1 27 IM0 28 GND 44 DCX 29 D0 21 GND 22 WRX 30 VCS 4 VLED+ 43 RDX 31 CSX 32 D14 7 VDDIO 33 D13 8 D1 20 D15 6 D6 15 D7 14 D8 13 D9 12 D10 11 D11 10 D12 9 VCC 35 VREF 36 MTP 39 NC 42 D2 19 D3 18 D4 17 D5 16 GND 23 VSYNC 24 TE 25 RESETB 26 TCOM 2 GND 1 GVDD 3 CN8 MOLEX 503304-4440 PF0 VDD +3V3 LCD_BLCTRL LCD_TE LCD_RESET A0 FMC_NWE FMC_NOE FMC_NE1 C72 100nF C70 100nF D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 IM1 IM0 P68 R57 0 IM1 R55 0 IM0 R84 0 P68 VDD Z1 STPS1L40M C77 4.7uF/50V L5 4.7uH(1A) R43 10 BLGND R47 100K C81 4.7uF/10V BLGND BLGND BLGND Vi 1 Rset 2 GND 3 FB 4 NC 5 Vo 6 EN 7 SW 8 PGND 9 U17 STLD40DPUR C78 10nF C85 100nF L3 BEAD C79 10nF VL Backlight driver & PFC connector for LCD panel BLGND +5V C82 10uF L4 BEAD C83 100nF L6 BEAD D8 D7 D6 D5 D4 D3 D2 D1 D0 LCD_RESET LEDA LEDK FMC_NE1 A0 FMC_NWE FMC_NOE VDD +3V3 Common mode supply filter LEDA LEDK Backlight control: ON/OFF or dimmer by low frequency (1 to 10kHz typ.) PWM using TIM5_CH3 PF5 LEDA LEDK current regulated at 15mA L2 BEAD Layout: parts close to STLD40D and grouped in same area with BLGND as local ground plane Reserved use R52 [N/A] BLGND L7 BEAD R50 100K +3V3 +3V3 C80 100nF I2C1_SCL I2C1_SCL_CTP I2C1_SDA I2C1_SDA_CTP I2C max clock: 400kHz SB36 Open by default SB39 Open by default VDD I2C1_SCL I2C1_SCL_CTP I2C1_SDA I2C1_SDA_CTP 1 3 G S D TR1 BSN20BK 1 3 G S D TR2 BSN20BK I2C Level shifter option lower voltage side higher voltage side (MCU ) (CTP) SB38 Closed by default SB17 Closed by default SB37 Open by default SB40 Open by default PB7 PB6 I2C1_SDA I2C1_SCL CTP_INT CTP_RST PG5 PF12 R98 100K Pull-down to insure CTP is in Reset at power-on GND 1 FMARK 2 DB15 3 DB14 4 DB13 5 DB12 6 DB11 7 DB10 8 DB9 9 DB8 10 DB7 11 DB6 12 DB5 13 DB4 14 DB3 15 DB2 16 DB1 17 DB0 18 /RD 19 /WR 20 RS 21 /CS 22 RESET 23 IM 24 IOVCC 25 VCI 26 GND 27 LEDA 28 LEDK 29 CN15 FH26-29S-0.3SHW D9 D10 D11 D12 D13 D14 D15 Top side: layout of CN15 1 29 FRD154BP2902-CTP FPC ZZ1 FRD154BP2902-CTP LCD_D[0..15] D[0..15] LCD_TE PG4 LCD_TE LCD_RESET PD11 R41 100K VDD FMC_NE1 PD7 R99 100K VDD FMC_NWE PD5 FMC_NOE PD4 A0 PF0 PD14 PD15 PD0 PD1 PE7 PE8 PE9 PE10 PE11 PE12 PE13 PE14 PE15 PD8 PD9 PD10 PG4 PD11 240x240 pixels TFT LCD with Capaticitve Touch Panel pixel (0,0) * X Y *: standard orientation. Rotations by 90, 180, 270 degrees possible by registers. L8 BEAD +3V3 Not Fitted R87 [N/A] R65 [N/A] +3V3 VDD SB41 Open by default SB41 open and SB42 closed = IM high: LCD in 16bits mode SB41 closed and SB42 opened = IMlow : LCD in 8bits mode SB42 LCD Operation: MCU operating voltage range 1.65 to 3.6V not fitted not fitted (TR1, TR2, R65, R87 parts are not soldered) SB45 SB44 VDD GND 10 VDD 9 IOVCC 8 RESET 7 GND 6 GND 1 INT 2 GND 3 SDA 4 SCL 5 CN14 DF37NB-10DS-0.4V (5x) C87 100nF Capacitive Touch Panel connector of FRD154BP2902-CTP CTP operation: MCU operating voltage range 1.8 to 3.6V Pull-down to insure CTP is in Reset at power-on R105 100K LCD+Touch FRIDA R106 [N/A] R107 [N/A] +3V3 VDD |
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