ALPHI TECHNOLOGY PCI-ISC8 Reference Manual

Intelligent 8 channel serial communications controller for pci systems

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PCI-ISC8
Intelligent 8 Channel
Serial Communications Controller
for PCI™ systems
REFERENCE MANUAL
769-00-001-4000
Version 1.0
November 1999
ALPHI TECHNOLOGY CORPORATION
6202 S. Maple Avenue #120
Tempe, AZ 85283 USA

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  • Page 1 PCI-ISC8 Intelligent 8 Channel Serial Communications Controller for PCI™ systems REFERENCE MANUAL 769-00-001-4000 Version 1.0 November 1999 ALPHI TECHNOLOGY CORPORATION 6202 S. Maple Avenue #120 Tempe, AZ 85283 USA...
  • Page 2 PCI-ISC8 REFERENCE MANUAL Tel: (602) 838-2428 Fax: (602) 838-4477 ALPHI TECHNOLOGY CORP. Page ii REV 1.0 724-20-000-4000 Part Number : Copyright ALPHI Technology Corporation, 1999...
  • Page 3 ALPHI TECHNOLOGY reserves the right to make any changes, without notice, to this or any of ALPHI TECHNOLOGY’s products to improve reliability, performance, function or design.
  • Page 4 6.2 SERIAL RS232 PORT (P3) ________________________________________________ 11 6.3 EMULATOR CONNECTION (P4) ____________________________________________ 11 6.4 FACTORY USE (P2)______________________________________________________ 11 6.5 32 BIT PCI BUS (P1) _____________________________________________________ 11 STANDALONE OPERATION ___________________________________________11 ALPHI TECHNOLOGY CORP. Page iv REV 1.0 724-20-000-4000 Part Number : Copyright ALPHI Technology Corporation, 1999...
  • Page 5: General Description

    • One external interrupt input 1.2 FUNCTIONAL DESCRIPTION A functional block diagram of the PCI-ISC8 is presented below in Figure 1-1. The jumper placement and the connector placement is depicted in Figure 1-2. The PCI-ISC8 can operate as a slave that is managed by the host processor on the PCI bus or it can operate in a standalone mode of operation without a host.
  • Page 6 Bridge IP A Mailbox Registers SCC8530 IP B Serial Port Figure 1.1: Block Diagram IP A IP B Figure 1.2: Jumper and Connector Locations ALPHI TECHNOLOGY CORP. Page 2 REV 1.0 724-20-000-4000 Part Number : Copyright ALPHI Technology Corporation, 1999...
  • Page 7: Reference Materials List

    WindowsNT and Windows95 Programming Tools: BlueWater Systems 144 Railroad Ave. Suite #217 Edmonds, WA 98020 Tel: (206) 771-3610 Fax: (206) 771-2742 E-Mail: info@bluewatersystems.com Web: http://www.bluewatersystems.com ALPHI TECHNOLOGY CORP. Page 3 REV 1.0 724-20-000-4000 Part Number : Copyright ALPHI Technology Corporation, 1999...
  • Page 8: Host (Pci) Side

    NVRAM device read by the AMCC PCI interface chip. The decode addresses of these regions are assigned by the host processor. The PCI-ISC8 uses 1 of the 5 AMCC mapped base address registers. The AMCC is normally programmed...
  • Page 9: C31 Side

    For more information about these registers refer to the AMCC PCI controller manual. C31 SIDE 3.1 INTERNAL ORGANIZATION The PCI-ISC8 card is divided into different sections. Each section and its relationship to other sections will be discussed. The PCI-ISC8 sections are: • PCI interface •...
  • Page 10 HOST and DSP of that half of the PCI-ISC8 module. Interrupts can be enabled based on a specific mailbox event. There are 4 incoming mailboxes and 4 outgoing mailboxes. Each mailbox is 32 bits wide.
  • Page 11: Dsp Memory And Register Map Summary

    3.3.2 SERIAL PORT (Read / Write) The DSP processor on the PCI-ISC8 has access to an SCC85C30 serial communication controller. The 8530 provides an RS232C asynchronous serial communication port. Port B of the 8530 is not connected.
  • Page 12: Reset Signals

    PCI-ISC8 REFERENCE MANUAL 3.4 RESET SIGNALS The PCI-ISC8 can be reset from two different sources: • At power on or when the PCI RESET is asserted, the watchdog timer will hold the C31 RESET line low for 200 ms. • The AMCC has a bit called SYSRST which the HOST can toggle to reset the DSP.
  • Page 13: Jumper Descriptions

    10K pullup. (used for standalone operation) None Select falling or rising edge external interrupt mode. Use this jumper in conjunction with W1 as required. Table 4.1 Jumper Descriptions ALPHI TECHNOLOGY CORP. Page 9 REV 1.0 724-20-000-4000 Part Number : Copyright ALPHI Technology Corporation, 1999...
  • Page 14: Led Indicators

    Mezzanine I/O 2 1-50 50 pin high density flat cable connectors are used to route all the IP I/O signals off the card. ALPHI Technology can supply transition modules and cable assemblies to meet any special requirements. Contact the factory for additional information.
  • Page 15: Serial Rs232 Port (P3)

    It is possible to operate the card is a stand-alone mode without a PCI HOST. Install jumpers on W6 and W5. ALPHI TECHNOLOGY can supply an P1 adaptor to allow operation outside of a CompactPCI chassis or backplane. When the board is operated in stand alone mode, the board can by operated under an emulator and by downloading and executing programs via the serial port under control of the bootloader.

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