BrightSign HD222 Manuale utente
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HARDWARE MANUAL
HD222, HD1022
BrightSign, LLC. 16780 Lark Ave., Suite B Los Gatos, CA 95032 | 408-852-9263 | www.brightsign.biz
TABLE OF CONTENTS
Overview ...............................................................................................................................1
Block Diagram......................................................................................................................................... 2
HD222..................................................................................................................................................... 3
HD1022................................................................................................................................................... 4
Hardware Interfaces.............................................................................................................5
Power Connector .................................................................................................................................... 5
DE9 RS-232 Serial.................................................................................................................................. 5
DA15 GPIO ............................................................................................................................................. 6
RJ45 Ethernet ......................................................................................................................................... 8
USB......................................................................................................................................................... 8
3.5mm Audio Connector ......................................................................................................................... 9
VGA Output............................................................................................................................................. 9
HDMI Output ......................................................................................................................................... 10
Environmental and Power Usage .....................................................................................11
Theory of Operation...........................................................................................................12
BCM7241 CPU ..................................................................................................................................... 12
Built-in Flash ......................................................................................................................................... 12
SDRAM ................................................................................................................................................. 12
Serial Port ............................................................................................................................................. 12
Audio Outputs ....................................................................................................................................... 13
On-Board LEDs..................................................................................................................................... 13
On-Board Switch................................................................................................................................... 14
Reset Switch/GPIO Button.................................................................................................................... 14
SDHC/SDXC Slot.................................................................................................................................. 14
NAND Flash .......................................................................................................................................... 14
Ethernet ................................................................................................................................................ 14
USB 2.0................................................................................................................................................. 15
Dimensions.........................................................................................................................16
Mounting Procedure ..........................................................................................................17
BrightSign HD222, HD1022
1
All information provided in this reference manual applies to products under development. The characteristics and specifications of these products are subject to
change without notice. BrightSign assumes no obligation regarding future manufacturing unless otherwise agreed to in writing. © BrightSign LLC, 2015
OVERVIEW
The BrightSign HD222 and HD1022 media players can be used to decode images, audio, and video ( at resolutions up to
1920x1080x60p) for digital-signage and kiosk applications. In addition to driving audio/video devices, these players can
be controlled with various networked and built-in interfaces.
This manual specifies the hardware interfaces and operational theory of the HD222 and HD1022.
BrightSign HD222, HD1022
2
All information provided in this reference manual applies to products under development. The characteristics and specifications of these products are subject to
change without notice. BrightSign assumes no obligation regarding future manufacturing unless otherwise agreed to in writing. © BrightSign LLC, 2015
Block Diagram
BrightSign HD222, HD1022
3
All information provided in this reference manual applies to products under development. The characteristics and specifications of these products are subject to
change without notice. BrightSign assumes no obligation regarding future manufacturing unless otherwise agreed to in writing. © BrightSign LLC, 2015
HD222
Front
•3.5mm audio out
•DA15 GPIO
Left
•GPIO service button
Right
•SDHC/SDXC flash card slot
•Status/error LED (red)
•Update LED (yellow)
•Power LED (green)
•SD activity LED (green)
Back
•3.5mm audio out
•GPIO reset button
•VGA out
•HDMI out
•RJ45 Ethernet
•5V@3A barrel power connector
BrightSign HD222, HD1022
4
All information provided in this reference manual applies to products under development. The characteristics and specifications of these products are subject to
change without notice. BrightSign assumes no obligation regarding future manufacturing unless otherwise agreed to in writing. © BrightSign LLC, 2015
HD1022
Front
•3.5mm audio out
•DA15 GPIO
•DE9 RS232 serial (male)
Left
•GPIO service button
•USB 2.0
Right
•SDHC/SDXC flash card slot
•Status/error LED (red)
•Update LED (yellow)
•Power LED (green)
•SD activity LED (green)
Back
•GPIO reset button
•VGA out
•HDMI out
•RJ45 Ethernet
•5V@3A barrel power connector
BrightSign HD222, HD1022
5
All information provided in this reference manual applies to products under development. The characteristics and specifications of these products are subject to
change without notice. BrightSign assumes no obligation regarding future manufacturing unless otherwise agreed to in writing. © BrightSign LLC, 2015
HARDWARE INTERFACES
This section describes the characteristics and operation of all connectors on the HD222 and HD1022.
Power Connector
The power connector for the HD222 and HD1022 is rated for 5V @ 3A. The plug for the connector is a standard, center-
positive 5.5mm plug with a 1.65mm center pin hole.
DE9 RS-232 Serial
The RS-232 interface is a male DE9 connector. The HD1022 player is a DTE device, similar to a PC. The input to the chip
accepts a range between +25V and -25V, so it is compatible with +12V/-12V signaling.
The baud rate of the RS-232 interface (which is controlled by system software) is 115200, with no parity, 8 data bits, and
1 stop bit. The RS-232 interface supports RTS/CTS hardware flow control, but no software flow control. The maximum
cable length is 50 meters, and the total cable capacitance is 2500pF.
Note: A lower capacitance cable allows you to use cable lengths beyond 50 meters.
The following diagram illustrates the behavior of the TX and RX signal:
BrightSign HD222, HD1022
6
All information provided in this reference manual applies to products under development. The characteristics and specifications of these products are subject to
change without notice. BrightSign assumes no obligation regarding future manufacturing unless otherwise agreed to in writing. © BrightSign LLC, 2015
The following table illustrates the pinout of the DE9 serial connector on the HD1022:
pin Description pin Description
1 NC 2 Receive data into the device
3 Transmit data out of the device 4 Available 5V@500mA
5 Ground 6 NC
7 RTS 8 CTS
9 NC -- --
DA15 GPIO
The GPIO switch/led connector is a DA15 female. This connector is used to allow the player to control external LEDs or
other devices requiring 24mA of current or less.
Connect the LED outputs to the LED ANODE and connect the LED CATHODE to the ground. If you want to connect
another device, then the output is capable of sourcing or sinking up to 3.3V at 24mA, but there is a series resistor of 100Ω
in each line.
The connector also allows the connecting of external contact closures to the ground. In order to connect a switch, connect
one side of the switch to the switch input, and connect the other side to one of the ground pins on the DA15 connector.
The connector can also supply 3.3V at up to 500mA to an external device. The 3.3V output is polyfuse-protected and can
source up to 500mA.
If one BrightSign player is driving the inputs on another BrightSign player, then you can drive at most three inputs from
one output. The following calculations explain this limitation:
BrightSign HD222, HD1022
7
All information provided in this reference manual applies to products under development. The characteristics and specifications of these products are subject to
change without notice. BrightSign assumes no obligation regarding future manufacturing unless otherwise agreed to in writing. © BrightSign LLC, 2015
Note: The GPIO outputs have 100
Ω
series resistors; the GPIO inputs have 1K pullup resistors to 3.3V; and the input
threshold on the 541 chips is 2V high and .8V low. The high voltage is not problematic, but the low voltage can be if there
are too many inputs connected to one output.
1 out driving 1 in V=3.3*100/(100+1,000)=0.3
1 out driving 2 in V=3.3*100/(100+500)=0.55
1 out driving 3 in V=3.3*100/(100+333.3)=0.76
1 out driving 4 in V=3.3*100/(100+250)=.94 (This is too high, so 1 output
driving 3 inputs is the maximum)
The following table illustrates the pinout of the DA15 on the HD222 and HD1022:
pin Description pin Description
1 IR blaster input 2 Ground
3 Button 6 I/O 4 Button 5 I/O
5 Button 3 I/O 6 Ground
7 Button 1 I/O 8 +3.3V output at 500mA
9 Ground 10 Button 7 I/O
11 Ground 12 Button 4 I/O
13 Button 2 I/O 14 Ground
15 Button 0 I/O -- --
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