ST STM32F7308-DK - Figure 32. LCD Frida

Electrical schematics UM2469 48/59 UM2469 Rev 1
Figure 32. LCD Frida
10 12
LCD_Frida
MB1260 D02
11/09/2018
Title:
Size: Reference:
Date: Sheet: of
A3
Revision:
STM32F723E/F7308 DISCOVERYProject:
Z1
STPS1L40M
BLGND
BLGND
BLGND
BLGND
VL
Backlight driver & PFC connector for LCD panel
BLGND
5V
LCD_PSRAM_D0
LCD_RST
LEDA
LEDK
LCD_NELCD-RS_A0
LCD_PSRAM_NWELCD_PSRAM_NOE
VDD 3V3
Common mode supply filter
LEDA
LEDK
PH11
current regulated at 15mA
Layout: parts close to STLD40D and grouped in same area with BLGND as local ground plane
BLGND3V3
3V3
CTP_SCL
CTP_SDA
I2C max clock: 400kHz
PH8
PA8
PI9
PH9
Pull-down to insure CTP is in Reset even if PH9 not driven
Top side: layout of CN12
1
29
LCD FRIDA FRD154BP2901
FPC
FH26
LCD_TE_INT
VDD
VDD
240x240 pixels TFT LCD
pixel (0,0) *
X
Y
*: standard orientation. Rotations by 90, 180, 270 degrees possible by registers.
3V3
VDD
SB16 open and SB15 closed = IM high: LCD in 16bits mode
SB16 closed and SB15 opened = IMlow : LCD in 8bits mode
VDD_MCU operating voltage range: 1.65 to 3.6V
LCD_PSRAM_D1
LCD_PSRAM_D2LCD_PSRAM_D3
LCD_PSRAM_D4LCD_PSRAM_D5
LCD_PSRAM_D6LCD_PSRAM_D7
LCD_PSRAM_D8LCD_PSRAM_D9
LCD_PSRAM_D10LCD_PSRAM_D11
LCD_PSRAM_D12LCD_PSRAM_D13
LCD_PSRAM_D14LCD_PSRAM_D15
LCD_BL
Backlight control: ON/OFF or dimmer by low frequency (1 to 10kHz typ.) PWM using TIM5_CH2
LCD_BL
LCD_BL
LCD_PSRAM_D[0..15]
LCD_NE
LCD-RS_A0
LCD_PSRAM_NWE
LCD_PSRAM_NOE
LCD_TE_INT
CTP_SCL
CTP_SDA
CTP_INT
LCD_RST
CTP_INT
LCD_RST
CTP_RST
CTP_RST
CTP_INT
CTP_RST
LCD_PSRAM_D[0..15]
LCD_NE
LCD-RS_A0
LCD_PSRAM_NWE
LCD_PSRAM_NOE
LCD_TE_INT
CTP_SCL
CTP_SDA
10nF
C76
4.7uF
C75
L6
4.7uH 1A 30%
10
R66
100K
R67
L8
FCM1608KF-601T03
L7
FCM1608KF-601T03
Fitted: NO
L2
FCM1608KF-601T03
L3
FCM1608KF-601T03
L5
FCM1608KF-601T03
100K
R69
10nF
C72
10uF
C67
100K
R18
100K
R70
100K
R68
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
CN17
FH26-29S-0.3SHW
Vi
1
Rset
2
GND
3
FB
4
NC
5
Vo
6
EN
7
SW
8
PGND
9
U12
STLD40DPUR
P
SRAM Data, NWE & NOE shared
with LCD
100nF
C2
100nF
C70
100nF
C69
4.7uF
C73
100K
Fitted: NO
R71
SB16 SB15
L4
FCM1608KF-601T03
PC8
PF0 PG9
PH7
SB4
SB2
CONTROL TOUCH PANEL
LCD FRIDA
LCD BACKLIGHT
ZZ1
FRD154BP2902-CTP
Capacitive Touch Panel connector of FRD154BP2902-CTP
100K
R21
GND
10
VDD
9
IOVCC
8
RESET
7
GND
6
GND
1
INT
2
GND
3
SDA
4
SCL
5
CN16
DF37NB-10DS-0.4V (5x)
Pull-down to insure CTP is in Reset at power-on