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TSB12LV21 数据表(PDF) 8 Page - Texas Instruments |
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TSB12LV21 数据表(HTML) 8 Page - Texas Instruments |
8 / 22 page TSB12LV21B (PCILynx-2) IEEE 1394 LINK LAYER CONTROLLER SLLS306– JULY 1998 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Terminal Functions (Continued) auxiliary/zoom video port terminals TERMINAL I/O FUNCTION NAME NO. I/O TYPE FUNCTION aux_clk 64 O Auxiliary port clock out. This signal is output at the frequency of the PCI clock. aux_rst 66 O Auxiliary port reset out aux_int 61 I Auxiliary port interrupt input aux_adr15 – aux_adr14 aux_adr13 aux_adr12 –aux_adr9 aux_adr8 aux_adr7 –aux_adr4 aux_adr3 aux_adr2 – aux_adr0 98 – 99 101 103 – 106 108 110 – 113 115 117 – 119 O Auxiliary port address lines output to external logic aux_data15 – aux_data13 aux_data12 – aux_data9 aux_data8 aux_data7 – aux_data6 aux_data5 – aux_data3 aux_data2 aux_data1 – aux_data0 76 – 78 80 – 83 85 87 – 88 90 – 92 94 96 – 97 I/O Auxiliary port bidirectional data bus to external logic aux_cs 69 O Auxiliary port chip select to external logic aux_oe 74 O Auxiliary port output enable to enable external logic data onto the auxiliary data bus aux_rdy 62 I Auxiliary port ready indication from external logic aux_we1 aux_we0 71 73 O Auxiliary port write strobes to external logic ram_cs 67 O External RAM chip select rom_cs 68 O External ROM chip select zv_data_valid 132 O Zoom video port data valid signal zv_ext_clk 129 I Zoom video port external clock input zv_hsync 131 O Zoom video port horizontal sync signal zv_pix_clk 126 I/O Zoom video port pixel clock for zoomed video data zv_vsync 127 O Zoom video port vertical sync signal miscellaneous TERMINAL I/O FUNCTION NAME NO. I/O TYPE FUNCTION autoboot 159 I Autoboot. Selects autoboot mode. When this terminal is tied high, autoboot mode is selected. gpio_data3 – gpio_data2 122 – 125 I/O Auxiliary port general-purpose programmable I/O signals link_cyclein 137 I Optional 8kHz clock for use as the cycle clock link_cycleout 140 O Cycle timer 8kHz clock output seeprom_clk 133 I/O External serial EEPROM data clock seeprom_data 134 I/O External serial EEPROM read/write data line test_enable/GND 158 I Enables TEST_OUT for AND tree testing. This pin should be tied to GND if AND tree testing is not used. test_out 140 O Output for AND tree testing |
类似零件编号 - TSB12LV21 |
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类似说明 - TSB12LV21 |
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