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PEB2256HT датащи(PDF) 47 Page - Infineon Technologies AG |
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PEB2256HT датащи(HTML) 47 Page - Infineon Technologies AG |
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47 / 490 page ![]() FALC56 V1.2 PEB 2256 Pin Descriptions Data Sheet 47 2002-08-27 60 61 62 63 B8 A9 A8 B7 XPA XPB XPC XPD O Data Link Bit Transmit (DLX) PC(1:4).XPC(3:0) = 0110 E1: Marks the S a(8:4)-bits within the data stream on XDI. The S a(8:4)-bit positions in time slot 0 of every frame not containing the frame alignment signal are selected by register XC0.SA8E to XC0.SA4E. T1/J1: This output provides a 4-kHz signal which marks the DL-bit position within the data stream on XDI (in ESF mode only). O Transmit Clock (XCLK) PC(1:4).XPC(3:0) = 0111 Transmit line clock of 2.048 MHz (E1) or 1.544 MHz (T1/J1) derived from SCLKX/R, RCLK or generated internally by DCO circuitries. I + PU Transmit Line Tristate (XLT) PC(1:4).XPC(3:0) = 1000 A high level on this port sets the transmit lines XL1/2 or XDOP/N into tristate mode. This pin function is logically ored with register bit XPM2.XLT. Table 4 Pin Definitions - System Interface (cont’d) Pin No. Ball No. Symbol Input (I) Output (O) Supply (S) Function |
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