Data Sheet

Copyright © Bridgetek Pte Ltd 9
BT81X (815/6) Advanced Embedded Video Engine Datasheet
Version 1.0
Document No.: BRT_000220 Clearance No.: BRT#126
Pin Number
Pin Name
Type
Description
BT815
BT816
17
17
VCCIO3
P
I/O power supply for SPIM pins. Support 1.8V, 2.5V
or 3.3V.
VCCIO3 can be connected to different voltage with
VCCIO1 or VCCIO2.
18
18
SPIM_MISO
I/O
SPI flash MISO line
Powered from pin VCCIO3
19
19
SPIM_IO2
I/O
SPI flash IO2 line
Powered from pin VCCIO3
20
20
SPIM_IO3
I/O
SPI flash IO3 line
Powered from pin VCCIO3
21
21
X1/CLK
I
Crystal oscillator or clock input
3.3V peak input allowed.
Powered from pin VCC.
22
22
X2
O
Crystal oscillator output
Powered from pin VCC.
23
23
GND
P
Ground
24
24
VCC
P
3.3V power supply input.
25
25
VOUT1V2
P
1.2V regulator output pin. Connect a 4.7uF
decoupling capacitor to GND.
26
26
AUDIO_L
O
Audio Sigma-delta output
Powered from pin VCCA
27
27
VCCA
P
3.3V power supply input.
28
28
VCCIO2
P
I/O power supply for RGB and touch pins. Supports
1.8V, 2.5V or 3.3V. VCCIO2 can be connected to
different voltage with VCCIO1 or VCCIO3.
-
29
XP
AI/O
Connect to X right electrode of 4-wire resistive touch-
screen panel.
Powered from pin VCCIO2.
-
30
YP
AI/O
Connect to Y top electrode of 4-wire resistive touch-
screen panel.
Powered from pin VCCIO2.
-
31
XM
AI/O
Connect to X left electrode of 4-wire resistive touch-
screen panel.
Powered from pin VCCIO2.
-
32
YM
AI/O
Connect to Y bottom electrode of 4-wire resistive
touch-screen panel.
Powered from pin VCCIO2.
29
-
CTP_RST_N
O
Connect to reset pin of the CTPM.
Powered from pin VCCIO2.
30
-
CTP_INT_N
I/O
Connect to interrupt pin of the CTPM.
Powered from pin VCCIO2.