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1 Overview

The TS-TPC-8900 is a complete touch panel computer solution comprised of a 10" TFT LCD, TS-8900 baseboard and a choice of macrocontroller CPUs. It is an ideal solution for applications requiring a touch screen human machine interface (HMI), such as industrial automation, home automation, self-service machines, and point-of-sale terminals. This product offers an excellent value with a full range of features and industry standard connectors and a fanless, low power, high performance modular design. TS-TPC-8900 also provides an upgrade path for Technologic Systems' customers currently using TS-TPC-7390, TS-TPC-7395, and TS-TPC-8390 products.

1.1 TS-4800

See the TS-4800 page for functionality regarding the CPU, FPGA, and OS.

Freescale i.MX515 800MHz Cortex-A8

2 Getting Started

The TS-8900 board has no specific boot sequence since the processor and Linux Operating System are located on the selected TS-4000 Series Macrocontroller.

Before attempting to apply power to the TS-8900, perform the following steps while taking proper static discharge precautions

  • Place the TS-8900 base board on a firm non-conductive surface
    • Alternatively on the provided stand.
  • Carefully, insert the TS-4000 Series Macrocontroller daughterboard by aligning and pressing evenly and firmly onto the pair of mating connectors
  • Connect the RC-DB9 to the 10 pin CONSOLE header lining up the red wire to the white dot on the board.
  • Connect the Ethernet cable if applicable.
  • Apply 6-28V of power to the two power pins. Please note the polarity printed on the board.
    • Alternatively, you can use POE to power the board. Use only the RJ45 port closest to the macrocontroller for POE.
  • Monitor the TS-SOCKET SBC using a terminal emulator connected to the serial console port to verify that the board is operating properly

See the TS-4800 page for more details on dealing with the functionality of the macrocontroller.

3 Features

3.1 10" Screen

The interface to the screen is a standard Linux framebuffer, or X11 server. The TS-4800 features OpenGL ES 2.0, and OpenVG which are extremely useful for accelerated graphics. You can find more information about graphical development on the TS-4800 here.

3.2 COM Ports

This board has 7 UARTs consisting of CPU uarts at /dev/ttymxc# and XUARTs. The XUARTs by default do not have a /dev/ entry, but you can use xuartctl to create one.

Port Type RX (or 485 +) TX (or 485 -) Notes
ttymxc0 RS232 Console header pin 2 Console header pin 3
XUART0 RS485 COM1 header pin 1 COM1 header pin 6 Toggle with xuart0_on and xuart0_off
ttymxc1 RS232 COM1 header pin 2 COM1 header pin 3
ttymxc2 RS232 COM1 header pin 8 COM1 header pin 7
XUART1 RS232 COM2 header pin 2 COM2 header pin 3 Toggle with xuart3_on xuart3_off
XUART2 RS485 COM2 header pin 1 COM2 header pin 6 Toggle with xuart4_on xuart4_off
XUART3 TTL XBEE socket pin 2 XBEE socket pin 3 Toggle with xuart5_on xuart5_off
XUART0 RS485/RS422 COM2 header pin 4 COM2 header pin 1 This is RX only. Must be remapped by toggling syscon offset 0x16 bit 12

To remap the XUART0 from the RS485 on COM1 to RS485 on COM2 for RS485/RS422 RX:

peekpoke 16 0xb0010016 0x1023

3.3 PC104

See the TS-4800#MUXBUS section for more details on working with the MUXBUS peripherals.

The PC104 header on this board can be used as either GPIO, or ISA for communication with common PC104 peripherals. The connector consists of two rows of pins labeled A and B, the numbering of of which is shown below. The signals for the PC-104 are generated by the LFXP2 located on the baseboard.

Any of the IO on this board labelled DIO_ can be controlled through tsctl as PC104_A/B<pin>, or through manipulation of the registers directly.

# Start tsctl server if it is not already running.
# This only needs to be done once
tsctl --server &
# Lookup the logical DIO mapping of the PC104 header pin A16
eval `tsctl System MapLookup PC104_A16`
# If you run this outside of the eval it will return:
# PC104_A16=138
# Toggle the DIO high and low:
tsctl DIO Set $PC104_A16 high
tsctl DIO Set $PC104_A16 low

You can also drive these DIO to manually manipulate the PC104 address to make peripherals usable that require a higher range of address than provided by the default address space of the MUXBUS.

Pin Name Pin Name
A1 BUS_BHE# B1 Ground
A3 AD_06 B3 5V
A4 AD_05 B4 AD_08
A5 AD_04 B5 CPU_3.3V
A6 AD_03 B6 USB_DN4+
A7 AD_02 B7 USB_DN4-
A8 AD_01 B8 PC104_11
A10 ISA_WAIT# B10 Ground
A11 PC104_10 B11 PC104_12
A12 PC104_09 B12 PC104_13
A13 PC104_08 B13 ISA_LOW#
A14 PC104_07 B14 ISA_IOR#
A15 PC104_06 B15 PC104_14
A16 PC104_05 B16 PC104_15
A17 PC104_04 B17 ISA_D09
A18 PC104_03 B18 ISA_D10
A19 PC104_02 B19 PC104_16
A20 PC104_01 B20 ISA_D12
A21 PC104_00 B21 ISA_IRQ7
A22 ADD_09 B22 ISA_IRQ6
A23 ADD_08 B23 ISA_IRQ5
A24 ADD_07 B24 Ground
A25 ADD_06 B25 ISA_D11
A26 ADD_05 B26 ISA_D13
A27 ADD_04 B27 ISA_D14
A28 ISA_03 B28 ISA_D15
A29 ADD_02 B29 5V
A30 ADD_01 B30 ISA 14.3 MHZ
A31 ADD_00 B31 Ground
A32 Ground B32 Ground
WARNING: Most of the pins on the PC104 bus are only 3.3V tolerant. Refer to the schematic for more details.

3.4 Console Header

The 10 pin Console port on the TS-8900 board brings out RS232. Using a RC-DB9 cable you can connect a standard null modem cable to your workstation for development and debugging.

10 pin header

Pin Name
1 Not Connected
4 CAN2_H
6 Not Connected
7 Not Connected
8 Not Connected
9 CAN2_L
10 Not Connected

3.5 COM1 Header

This port brings out CAN, RS485, and RS232. Using a RC-DB9 cable you can connect a standard null modem cable to this header.

10 pin header

Pin Name
1 XUART0 485+
2 ttymxc1 RXD
3 ttymxc1 TXD
6 XUART0 485+
7 ttymxc2 TXD
8 ttymxc2 RXD
10 Not Connected

3.6 COM2 Header

This port brings out CAN, RS485, and RS232. Using a RC-DB9 cable you can connect a standard null modem cable to this header.

10 pin header

Pin Name
1 XUART2 485+
4 XUART4 RS422+
6 XUART2 RS485+
7 Not connected
8 Not connected
9 XUART4 RS422-
10 Not Connected
Note: XUART4 is only available in the opencore. This is a read only 422 port.

3.7 Dual USB Header

This is brought out as a USB 2.0 host.

Header PIN TS-Socket Location Name
1 N/A USB_5V

3.8 Mini PCI-E

While the macrocontroller CPU does not implement PCI-Express the standard includes a USB host on this socket which will work with many 802.11 devices.

3.9 XBEE Socket

You can find more information on communicatiois radio here.

Pin Function - Pin Function
1 3.3V - 20 SPI CLK
4 Not connected - 17 SPI_CS1#
5 OFF_BD_RESET# - 16 Not connected
6 Not Connected - 15 Not Connected
7 Not Connected - 14 Not Connected
8 Not Connected - 13 Not Connected
9 Not Connected - 12 Not Connected
10 Ground - 11 FPGA DIO_19 (DIO_04)

3.10 DIO Header

The DIO is controlled through manipulation of the TS-8900 FPGA registers.

39 37 35 33 31 29 27 25 23 21 19 17 15 13 11 9 7 5 3 1
40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2
Pin Name Notes
1 N/A Not Connected
2 N/A Not Connected
3 Ground
4 N/A Not Connected
5 N/A Not Connected
6 N/A Not Connected
7 N/A Not Connected
8 N/A Not Connected
9 SPI_MOSI Controlled by tsctl
10 3.3V Do not draw more than 12mA
11 N/A Not Connected
15 5V
16 EXT_RESET# Power cycle the whole board
17 N/A Not Connected
18 Ground
19 N/A Not Connected
20 N/A Not Connected
21 IN_0
22 N/A Not Connected
23 IN_1
24 N/A Not Connected
25 IN_2
26 OUT_7
27 IN_3
28 OUT_6
29 IN_4
30 OUT_5
31 IN_5
32 OUT_4
33 IN_6
34 OUT_3
35 IN_7
36 OUT_2
37 I2C_DAT See tsctl for usage.
38 OUT_1
39 I2C_CLK
40 OUT_0

4 Register Map

The MUXBUS region of the TS-4800 is available at 0xb0011000.

For example, to read the board id:

peekpoke 16 0xb0010012 0x181 # Set timing register
peekpoke 16 0xb0011000

This will print back 0x8900. All of the offsets below are from this address.

Top level decode
Offset Description
0x0000 Syscon
0x0040 SPI Core (to #Phase Change Memory
0x0080 Touchscreen Controller
0x0000 PC/104 16 bit IO
0x0400 PC/104 16 bit MEM
0x0800 PC/104 8 bit IO
0x0c00 PC/104 8 bit MEM
0x1000 SRAM page access
Note: The PC104 standard specifies that the first 0x100 of the IO and MEM regions are reserved. Below 0x100 on the IO or MEM regions will be used for other registers and cannot be used for custom projects.
Address Bits Access Description
0x0 15-0 Read Only Board ID (0x8900)
0x02 15-8 Read Only 8 digital inputs
7-4 Read Only Custom load ID (0 is standard 8900)
3-0 Read Only FPGA Revision
0x04 15-8 Read/Write 8 digital outputs
7-4 Read Only Reserved
3 Read/Write Tagmem CLK
2 Read/Write Tagmem SI
1 Read/Write Tagmem CNS
0 Read/Write Tagmem SO
0x6 15-0 Read/Write SRAM page register
0x8 15-0 Read/Write PC104 bits 15-0 GPIO override
0xa 15-9 Read Only Reserved
8 Read-Write PC104 bit 16 override
7-0 Read-Write ISA data lines 15-8 override
0xc 15-0 Read/Write GPIO Output values
0xe 15-9 Read Only Reserved
8 Read/Write PC104 bit 16 output values
7-0 Read/Write ISA data lines 15-8 output values
0x10 15-0 Read/Write PC104 bits 15-0 data direction
0x12 15-9 Read Only Reserved
8 Read/Write PC104 bit 16 data direction
7-0 Read/Write ISA Data lines 15-8 data direction
0x14 15-0 Read/Write PC104 bits 15-0 GPIO input values
0x16 15-9 Read Only Reserved
8 Read Only PC104 bit 16 input values
7-0 Read Only ISA data lines 15-8 input values

5 Product Notes

5.1 FCC Advisory

This equipment generates, uses, and can radiate radio frequency energy and if not installed and used properly (that is, in strict accordance with the manufacturer's instructions), may cause interference to radio and television reception. It has been type tested and found to comply with the limits for a Class A digital device in accordance with the specifications in Part 15 of FCC Rules, which are designed to provide reasonable protection against such interference when operated in a commercial environment. Operation of this equipment in a residential area is likely to cause interference, in which case the owner will be required to correct the interference at his own expense.

If this equipment does cause interference, which can be determined by turning the unit on and off, the user is encouraged to try the following measures to correct the interference:

Reorient the receiving antenna. Relocate the unit with respect to the receiver. Plug the unit into a different outlet so that the unit and receiver are on different branch circuits. Ensure that mounting screws and connector attachment screws are tightly secured. Ensure that good quality, shielded, and grounded cables are used for all data communications. If necessary, the user should consult the dealer or an experienced radio/television technician for additional suggestions. The following booklets prepared by the Federal Communications Commission (FCC) may also prove helpful:

How to Identify and Resolve Radio-TV Interference Problems (Stock No. 004-000-000345-4) Interface Handbook (Stock No. 004-000-004505-7) These booklets may be purchased from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402.

5.2 Limited Warranty

Technologic Systems warrants this product to be free of defects in material and workmanship for a period of one year from date of purchase. During this warranty period Technologic Systems will repair or replace the defective unit in accordance with the following process:

A copy of the original invoice must be included when returning the defective unit to Technologic Systems, Inc. This limited warranty does not cover damages resulting from lightning or other power surges, misuse, abuse, abnormal conditions of operation, or attempts to alter or modify the function of the product.

This warranty is limited to the repair or replacement of the defective unit. In no event shall Technologic Systems be liable or responsible for any loss or damages, including but not limited to any lost profits, incidental or consequential damages, loss of business, or anticipatory profits arising from the use or inability to use this product.

Repairs made after the expiration of the warranty period are subject to a repair charge and the cost of return shipping. Please, contact Technologic Systems to arrange for any repair service and to obtain repair charge information.