ELAN DIGITAL SYSTEMS LTD. HD717 Operation & User’s Manual

51, Elan Digital Systems Ltd. 51 HD717 USER’S GUIDE 5. HARDWARE SPECIFICATION 5.1 PINOUT MATING CONNECTOR TYPE: HIROSE NX30TA-32PAA + NX-32TA-CV1 + NX-32T-BS PIN NAME FUNCTION 1 TXD+ SCC TX RS422 DATA + (tri-stateable) 2 TXD- SCC TX RS422 DATA - (tri-stateable) 3 TXCLK…

55, Elan Digital Systems Ltd. 55 HD717 USER’S GUIDE 7. OPERATIONAL PRECAUTIONS Unless otherwise stated, all voltage levels are referenced to the HD717’s GND PIN. All points apply equally to HD717,712,713. • Don’t leave active signals connected to the digital IO…

9, Elan Digital Systems Ltd. 9 HD717 USER’S GUIDE signals to control how it will behave when it first receives Biphase data. Note that the transmitter circuits in the HD717 are also capable of operating in NRZ and FM0 modes. The receiver can cope with FM0 input data but cannot r…

16, ELAN DIGITAL SYSTEMS LTD. HD717 Elan Digital Systems Ltd. 16 HD717 USER’S GUIDE Figure 3.1.3-1 Clock Routing Internal to HD717 Note that the SCC’s TRxC and RTxC pins are buffered to RS422 levels and driven off card as TXCLKOUT+/- (Pins 3 & 4: this is TRxC), and as RXCLKOUT+/- (Pins 9 & 10: this is RTxC). …

38, Elan Digital Systems Ltd. 38 HD717 USER’S GUIDE 4.1 SCC CONTROL (IOBASE+0) BIT FUNCTION RESE T STAT E WRITE READ 0 SCC CONTROL SCC CONTROL 1 SCC CONTROL SCC CONTROL 2 SCC CONTROL SCC CONTROL 3 SCC CONTROL SCC CONTROL 4 SCC CONTROL SCC CONTROL 5 SCC C…