Data Sheet

Copyright © Bridgetek Pte Ltd 55
BT81X (815/6) Advanced Embedded Video Engine Datasheet
Version 1.0
Document No.: BRT_000220 Clearance No.: BRT#126
Figure 7-2 BT816 application circuit
PCLK DISP
HSYNC VSYNC
DE
GND
Y1
12MHz
C8
18pF
SCK MISO
MOSI CS#
IO2 IO3
INT# PD#
CS#
1
MISO
2
IO2
3
GND
4
MOSI
5
CLK
6
IO3
7
VCC
8
9
U2 W25Q128JVSIQ
VCC33
GND
C9
18pF
GND GND
C12 10uF
C7
0.1uF
VCC33
VCC12
C1
0.1uF
C2
0.1uF
C3
0.1uF
C4
0.1uF
C5
0.1uF
VCC33
GND
C11
0.1uF
GND
BL_PWM
AUDIO
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
CN1
8x2 Pin Header
SCK MISO MOSI
CS#
IO2IO3
INT#PD#
GND GND
R1
4.7K
VCC33
VCC12
C6
0.1uF
CS#_M MISO_M
IO2_M
IO3_M SCK_M
MOSI_M
SCK_M CS#_M
MOSI_M MISO_M
IO2_M IO3_M
R3 47K
R4 47K
R5 47K
AUDIO
R2 R3
R4 R5
R6 R7
G2 G3
G4 G5
G6 G7
B2 B3
B4 B5
B6 B7
R0 R1
G0 G1
B0 B1
PCLK DISP
HSYNC VSYNC
DE
LEDK LEDA
GND
VCC33
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
0
0
0
0
J1
0.5B-40PBS
B2 B3
B4 B5
B6 B7
B0 B1
R2
R3
R4
R5
R6
R7
R0
R1
G2
G3
G4
G5
G6
G7
G0
G1
GND
GND
C15 0.22uF
R8
4.7k
C10
2.2nF
D1
1N4148
R9
10k/1%
C13
0.1uF
R10
1.6R
LED Current Sense R22
95mV/1.6R = 60mA
VCC33
LEDK
LEDA
BL_PWM
GND GND GNDGND GND
L1
NR3015T220M
VOUT
1
VIN
2
FB
6
EN
3
AGND
4
SW
7
PGND
8
EP
9
U3
MIC2289-34YML
C14 10uF
Backlight LED driver
TFT Connector
Host Connector
SPI NOR Flash
R0
1
VCC1V2
2
SCK
3
MISO
4
MOSI
5
CS_N
6
GPIO0/IO2
7
GPIO1/IO3
8
VCCIO1
9
GPIO2
10
INT_N
11
PD_N
12
GPIO3
13
SPIMSCLK
14
SPIMSSN
15
SPIMMOSI
16
VCCIO3
17
SPIMMISO
18
SPIMIO2
19
SPIMIO3
20
X1/CLK
21
X2
22
GND
23
VCC
24
VOUT1V2
25
AUDIO_L
26
VCCA
27
VCCIO2
28
X+
29
Y+
30
X-
31
Y-
32
GND
33
BACKLIGHT
34
DE
35
VSYNC
36
HSYNC
37
DISP
38
PCLK
39
B7
40
B6
41
B5
42
B4
43
B3
44
B2
45
B1
46
B0
47
GND
48
G7
49
G6
50
G5
51
G4
52
G3
53
G2
54
G1
55
G0
56
VCC1V2
57
R7
58
R6
59
R5
60
R4
61
R3
62
R2
63
R1
64
BT816
EP/GND
65
U1 BT816
YM XM
YP
XP
YM XM
YP XP