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IDT82V2058-10 Datasheet(PDF) 9 Page - Integrated Device Technology |
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IDT82V2058-10 Datasheet(HTML) 9 Page - Integrated Device Technology |
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9 / 53 page  9 IDT82V2058 OCTAL E1 SHORT HAUL LINE INTERFACE UNIT INDUSTRIAL TEMPERATURE RANGES LP7/D7/AD7 LP6/D6/AD6 LP5/D5/AD5 LP4/D4/AD4 LP3/D3/AD3 LP2/D2/AD2 LP1/D1/AD1 LP0/D0/AD0 I/O High-Z 28 27 26 25 24 23 22 21 K1 J1 J2 J3 J4 H2 H3 G2 LPn: Loopback Select 7~0 In hardware control mode, pin LPn configures the corresponding channel in different loopback mode, as follows: Refer to 2.16 Loopback Mode for details. Dn: Data Bus 7~0 In non-multiplexed host mode, these pins are the bi-directional data bus. ADn: Address/Data Bus 7~0 In multiplexed host mode, these pins are the multiplexed bi-directional address/data bus. In serial host mode, these pins should be grounded. A4 MC3/A3 MC2/A2 MC1/A1 MC0/A0 I 12 13 14 15 16 F4 F3 F2 F1 G3 MCn: Performance Monitor Configuration 3~0 In hardware control mode, A4 must be connected to GND. MC[3:0] are used to select one transmitter or receiver of channel 1 to 7 for non-intrusive monitoring. Channel 0 is used as the monitoring channel. If a transmitter is monitored, signals on the corresponding pins TTIPn and TRINGn are internally transmitted to RTIP0 and RRING0. If a receiver is monitored, signals on the corresponding pins RTIPn and RRINGn are internally transmitted to RTIP0 and RRING0. The monitored is then output to RDP0 and RDN0 pins. In host mode operation, the signals monitored by channel 0 can be routed to TTIP0/RING0 by activating the remote loopback in this channel. Refer to 2.19 G.772 Monitoring for more details. Performance Monitor Configuration determined by MC[3:0] is shown below. Note that if MC[2:0] = 000, the device is in normal operation of all the channels. An: Address Bus 4~0 When pin MODE1 is low, the parallel host interface operates with separate address and data bus. In this mode, the signal on this pin is the address bus of the host interface. OE I 114 E14 OE: Output Driver Enable Pulling this pin low can drive all driver output into high-Z for redundancy application without external mechanical relays. In this condition, all other internal circuits remain active. Table-1 Pin Description (Continued) Name Type Pin No. Description TQFP144 PBGA160 LPn Loopback Configuration Low Remote Loopback VDDIO/2 No loopback High Analog Loopback MC[3:0] Monitoring Configuration 0000 Normal operation without monitoring 0001 Monitor Receiver 1 0010 Monitor Receiver 2 0011 Monitor Receiver 3 0100 Monitor Receiver 4 0101 Monitor Receiver 5 0110 Monitor Receiver 6 0111 Monitor Receiver 7 1000 Normal operation without monitoring 1001 Monitor Transmitter 1 1010 Monitor Transmitter 2 1011 Monitor Transmitter 3 1100 Monitor Transmitter 4 1101 Monitor Transmitter 5 1110 Monitor Transmitter 6 1111 Monitor Transmitter 7 |
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