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BT818Q-R Scheda tecnica(PDF) 39 Page - Bridgetek Pte Ltd.

Il numero della parte BT818Q-R
Spiegazioni elettronici  Advanced Embedded Video Engine Datasheet
PDF  59 Pages
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Produttore elettronici  BRIDGETEK [Bridgetek Pte Ltd.]
Homepage  https://brtchip.com/
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BT818Q-R Scheda tecnica(HTML) 39 Page - Bridgetek Pte Ltd.

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39
BT817/8 Advanced Embedded Video Engine Datasheet
Version 1.1
Document No.: BRT_000302 Clearance No.: BRT#154
4.9.5
Pin Status at Different Power States
The BT817/8 pin status depends on the power state of the chip. See the following table for more
details. At the power transition from ACTIVE to STANDBY or ACTIVE to SLEEP, all pins retain their
previous status. The software needs to set AUDIO_L, BACKLIGHT to a known state before issuing
power transition commands.
The pin status in the power down state can be changed by SPI command PIN_PD_STATE.
Pin Name
Default Drive
Strength Degree
Reset
Normal
Power Down
(Default)
AUDIO_L
DSD4
Out, Float
Out
Retain
SCK
-
In
In
In
MISO
DSD1
Out, Float
(CS_N = 1)
IO
Out, Float
MOSI
DSD1
In
IO
In
CS_N
-
In
In
In
IO2
GPIO0
DSD1
In
In
IO
IO
Float
Float
IO3
GPIO1
DSD1
In
In
IO
IO
Float
Float
GPIO2
DSD1
In
IO
Float
INT_N
DSD1
OD, Float
OD / Out
Float
PD_N
-
In
In
In
GPIO3
DSD1
In
IO
Float
SPIM_SCLK
DSD1
Float
Out
Float
SPIM_MISO
DSD1
Float
IO
Float
SPIM_MOSI
DSD1
Float
IO
Float
SPIM_SS_N
DSD1
Float
Out
Float
SPIM_IO2
DSD1
Float
IO
Float
SPIM_IO3
DSD1
Float
IO
Float
X1/CLK
-
In
In
In
X2
Out
Out
High
XP
-
IO, Float
IO
High
YP
-
IO, Float
IO
High
XM
-
IO, Float
IO
Retain
YM
-
IO, Float
IO
Retain
CTP_RST_N
DSD1
Low
Out
Pull Low
CTP_INT_N
DSD1
In
IO
In
CTP_SCL
DSD4
OD
I/OD
Float
CTP_SDA
DSD4
OD
I/OD
Float
BACKLIGHT
DSD1
Low
Out
Pull Low
DE
DSD1
Low
Out
Pull Low
VSYNC
DSD1
Low
Out
Pull Low
HSYNC
DSD1
Low
Out
Pull Low
DISP
DSD1
Low
Out
Pull Low
PCLK
DSD1
Low
Out
Pull Low
R/G/B
DSD1
Low
Out
Pull Low
Table 4-23 Pin Status



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