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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPC7455 датащи(PDF) 25 Page - Freescale Semiconductor, Inc |
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MPC7455 датащи(HTML) 25 Page - Freescale Semiconductor, Inc |
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25 / 64 page  MPC7455 RISC Microprocessor Hardware Specifications, Rev. 4.1 Freescale Semiconductor 25 Electrical and Thermal Characteristics Figure 9 shows the typical connection diagram for the MPC7455 interfaced to MSUG2 SRAMs such as the Freescale MCM64E836. Figure 9. Typical Source Synchronous 2-Mbyte L3 Cache DDR Interface Denotes Receive (SRAM to MPC7455) Aligned Signals {L3DATA[0:15], {L3DATA[16:31], {L3_DATA[32:47], L3ADDR[17:0] L3_CNTL[0] L3_CLK[0] L3_CLK[1] L3_ECHO_CLK[0] L3_ECHO_CLK[1] L3ECHO_CLK[2] L3_ECHO_CLK[3] {L3DATA[48:63], L3DP[0:1]} L3DP[2:3]} L3DP[4:5]} L3DP[6:7]} CQ SA[17:0] CK B1 B2 SRAM 0 SRAM 1 CQ D[0:17] D[18:35] CQ SA[17:0] CK B1 B2 CQ D[0:17] D[18:35] L3_CNTL[1] NC NC GND GND GND NC NC GND GND GND MPC7455 Denotes Receive (SRAM to MPC7455) Aligned Signals Denotes Transmit (MPC7455 to SRAM) Aligned Signals GVDD/2 1 GVDD/2 1 CQ CK B3 G CQ LBO CQ CK B3 G CQ LBO Note: 1. Or as recommended by SRAM manufacturer for single-ended clocking. |
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