Summary of Contents for Tews Technologies TIP867 Series
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The Embedded I/O Company TIP867 8 Channel RS485 Interface Version 1.0 User Manual Issue 1.0.5 August 2014 TEWS TECHNOLOGIES GmbH Am Bahnhof 7 25469 Halstenbek, Germany www.tews.com Phone: +49-(0)4101-4058-0 Fax: +49-(0)4101-4058-19 e-mail: info@tews.com...
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However TEWS TECHNOLOGIES GmbH reserves the right to change the product described in this document at any time without notice. TEWS TECHNOLOGIES GmbH is not liable for any damage arising out of the application or use of the device described herein.
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Issue Description Date First Issue March 1998 General Revision August 2003 New address TEWS LLC September 2006 Correction ID-PROM Contents of TIP867-20 September 2008 1.0.4 New notation of User Manual Issue March 2009 1.0.5 General Revision August 2014 TIP867 User Manual Issue 1.0.5 Page 3 of 12...
1 Product Description The TIP867 is an IndustryPack compatible module providing eight channels of high performance serial RS485 interface. The TIP867-10R provides eight (asynchronous) RS485 channels. The TIP867-20R additionally provides eight RS485 serial clock I/O lines for synchronous high data rates. Features include programmable baud rates up to 2 Mbit/sec, asynchronous or synchronous protocols including NRZ, NRZI, FM, T1, SDLC/HDLC.
2 Technical Specification IP Interface Interface Single Size IndustryPack Logic Interface compliant to ANSI/VITA 4-1995 ID ROM Data Format I I/O Space Used (SCC Register Access) Memory Space Not used Interrupts Intreq0# used (SCC1 B/A, SCC2 B/A) (CH 1 – 4) Intreq1# used (SCC3 B/A, SCC4 B/A) (CH 5 –...
4 IP Addressing I/O Addressing The Z85230 Serial Communication Controller (SCC) registers are accessed by a set of registers in the TIP867 IP I/O space. Each Z85230 SCC channel register is accessed by two addresses in the IP’s I/O address space. The Z85230 SCC uses an internal set of registers for each channel, which are accessed indirectly.
5 Programming Hints RS485 Transmitter Control For data signal transceiver direction control, the SCCs RTS# pin is used. For RS485 applications the auto enable bit (WR3 D5 = ‘1’) must be set. The RTS# pin enables the RS485 data transmitter immediately and remains active until the transmit buffer is empty.
5.2.2 Using an External Clock Signal (TIP867-20R only) The TIP867 can be programmed to receive an external clock signal or transmit an external clock signal. For both modes the SCCs TRxC# pin is used as clock I/O pin (programmable as clock input or clock output).
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