Datasheet
V
LED-
V
L
ED+
G
ND
V
DD
R0
R1
R2
R3
R
4
R5
R6
R7
G0
G
1
HS
Y
NC
DISP
DCLK
GND
B7
B
6
B
5
B4
B3
B2
B
1
B0
G7
G6
G5
G4
G3
G
2
VSYNC
D
E
N
C
GND
X_R
Y
_B
X_L
Y
_
T
TFT1 AT043B35-15I-10
1
2
3
SW
GND
VIN
5
4
FBEN
U1
TPS61041
L1 10uH
D1
PMEG3010ER
VCC-3.3V
DZ1
MMSZ5246B
R2
34
VLED+
VLED-
L
C
D
-
P
W
M
VCC-3.3V
LCD-R
2
LC
D
-
R
3
LCD
-R
4
L
C
D-R
5
L
C
D
-R6
LCD-
R
7
LCD-G2
L
CD-G3
L
C
D
-G4
LCD-G5
LCD
-
G6
L
CD
-G
7
L
C
D
-
B
2
LCD-B3
LCD-B4
LCD-
B
5
LCD-B6
LCD-B7
LCD
-
D
CL
K
LCD-HSY
NC
LC
D-
VSYNC
LC
D-
DE
TP-
X_R
TP-Y
_
B
TP-X_L
TP-Y_T
R5
0R
C1
100nF
2
1
5
1
2
3
5
11
3
6
3
4
5
6
14
7
8
9
1
3
33
10
37
3
8
39
4
0
34
1
1
6
17
18
19
2
0
21
2
2
23
24
25
2
6
27
28
2
9
30
3
1
32
CN1
FP2
VC_AUDIO
C5
100nF
C6
100nF
C7
100nF
VCC-3.3V VCC-3.3V
VCC-3.3V
E4
10uF
X1
12MHz
C11
22pF
C13
22pF
LCD-B2
LCD-B3
LCD-B4
LCD-B5
LCD-B6
LCD-B7
LCD-DCLK
LC
D
-
D
ISP
LCD-DISP
LCD-HSYNC
LCD-VSYNC
LCD-DE
L
CD-
R
2
L
C
D
-
R
3
LCD-R4
L
CD
-R
5
L
C
D
-
R
6
L
C
D-
R
7
LCD
-
G
2
LCD-G3
L
C
D-G4
LCD
-
G5
L
CD
-
G6
LC
D
-G7
E1
10uF
T
P-X_R
TP-Y_B
TP-
X
_L
TP-
Y
_T
C12 2.2nF
C10 2.2nF
C9 2.2nF
C8 2.2nF
LCD-PWM
1
2
3
54
6
7
8
SHTDWN
BYPASS
IN+
IN- Vo1
Vdd
GND
Vo2
U2
LM4864
E2
10uF
R6
41K2
C2
470nF
R4
22K
C4
100nF
VCC-3.3V
E3
100uF/20V
R11 27
VCC-3.3V
VC
_
A
U
D
IO_
S
H
UTDO
WN
R10 10K
R
9
1
0
K
R8 10K
R
7
10K
VCC-3.3V
R3
1K
C3
33nF
VC_AUDIO
VC_AUDIO_SHUTDOWN
R1
10K
FP1
SCK
MISO
MOSI
CS#
INT#
PD#
AUDIO+
AUDIO-
1 2
3 4
5 6
7 8
9 10
CN2
SCK
MISO MOSI
CS#
INT#PD#
VCC-3.3V
E6
10uF
E5
10uF
VCC-3.3VVCC-3.3V
E7
10uF
VCC-3.3V
31
32
33
34
35
36
3
7
38
4
1
42
4
3
44
45
46
47
48
11
12
1
3
14
15
1
6
18
19
2
0
21
22
23
3
2
17
30
40
9
10
7
8
27
39
1
24
6
26
25
29
28
4
5
X
1/CLK
X
2
GND
VCC
3
.3
VCC1.
2
VC
C
3
.
3
X+
Y+
X
-
Y-
GND
B
AC
KLI
G
HT
AUDIO_L
GND
SPI_CLK/I2C_SCL
MISO/I2C_SDA
MOSI/I2C_SA0
CSN/I2C_SA1
GPIO0/I2C_SA2
GPIO1
VCCIO
MODE
INT_N
PD_N
GND
B2
B3
B4
B5
B6
B7
PCLK
DISP
HSYNC
VSYNC
DE
R2
R3
R
4
R5
R
6
R
7
G2
G3
G4
G
5
G6
G7
FT800
U3
1
2
3
4
5
6
7
8
9
10
CN3
VCC-3.3V
AUDIO+
AUDIO-
CS#
SCK
MISO
MOSI
PD#
INT#
1x10 header pinout:
1. CS - SPI chip selection line
2. SCK - SPI clock line
3. MISO - SPI Master In Slave Out
4. MOSI - SPI Master Out Slave In
5. INT - Host interrupt
6. PD - Power down input
7. AUDIO+ - Audio out +
8. AUDIO- - Audio out -
9. +3.3V - 3.3V power supply
10. GND - Reference ground
2x5 header pinout:
1. PD - Power down input
2. INT - Host interrupt
3. CS - SPI chip selection line
4. SCK - SPI clock line
5. MISO - SPI Master In Slave Out
6. MOSI - SPI Master Out Slave In
7. NC - Not connected
8. NC - Not connected
9. +3.3V - 3.3V power supply
10. GND - Reference ground
1
480x272 pixel 4.3" color
TFT display with LED back-
light, HX8257A controller
and resistive touch panel.
2 3
Figure 2: ConnectEVE schematic