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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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FPD87310 датащи(PDF) 13 Page - National Semiconductor (TI) |
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FPD87310 датащи(HTML) 13 Page - National Semiconductor (TI) |
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13 / 28 page  Programmable Registers (Continued) TABLE 1. FPD87310 Programmable Register Definition (Continued) Control Registers EEPROM Address The CONTROL REGISTER provide more setting information to the input and output interfaces. Control Register (8 bits) (a+8) [0] Output polarity - defines active high or active low output “0” - Normal output (active high) “1” - Inverted output (active low) [1] Toggle circuit Enable/Disable “0” - Toggle circuitry Disabled; Normal GPO output “1” - Toggle circuitry Enabled [2] Automatic Frame Size Detection GPO[1:0]. “0” - Normal Operation. “1” - Used with Toggle circuitry to create a “continuous” REV signal. The value of the Vertical Duration Register is overwritten. GPO[9:2]. “0” - Normal Operation. “1” - Early Start capability. The value in the Vertical Start Register is subtracted from the total number of lines/frames (auto-detected) to determine the vertical start position. [4:3] GPO[9:1] Combination Select. “00” - Select GPO[x] as programmed. (No combination function). “01” - Select GPO[x] “ANDed” with GPO[x-1]. “10” - Select GPO[x] “ORed” with GPO[x-1]. “11” - Select GPO[x] and GPO[x-1] on alternating frames. [6:5] Power-up sequence delay. “00” - Outputs active after 1st VSYNC after EEPROM download. “01” - Outputs active after 2nd VSYNC after EEPROM download. “10” - Outputs active after 3rd VSYNC after EEPROM download. “11” - Outputs actve after 4th VSYNC after EEPROM download. [7] Open Drain Output Control “0” - Outputs are Normal Operation. (sink/source drive current) “1” - Outputs are Open Drain. (sink current only) TABLE 2. Internal Default Register Values and EEPROM Memory Map No Address Bits Control Register Register Name Default Values FF–EF not used/not loaded Init#1 Init#2 Init#3 56 E4 8 GPO9 Control Register reg_gpo9_cont 30 09 55 E3 E2 11 GPO9 Vertical Duration reg_gpo9_Icount 00 00 00 00 54 E1 E0 11 GPO9 Vertical Start reg_gpo9_Istart 00 01 00 01 53 DF DE 11 GPO9 Horizontal Duration reg_gpo9_pcount 00 40 00 40 52 DC DD 11 GPO9 Horizontal Start reg_gpo9_pstart 03 86 03 86 51 DB 8 GPO8 Control Register reg_gpo8_cont 21 09 50 DA D9 11 GPO8 Vertical Duration reg_gpo8_Icount 00 00 00 01 49 D8 D7 11 GPO8 Vertical Start reg_gpo8_Istart 00 01 00 01 48 D6 D5 11 GPO8 Horizontal Duration reg_gpo8_pcount 00 00 00 40 47 D4 D3 11 GPO8 Horizontal Start reg_gpo8_pstart 00 01 01 C2 46 D2 8 GPO7 Control Register reg_gpo7_cont 00 09 45 D1 D0 11 GPO7 Vertical Duration reg_gpo7_Icount 00 00 00 01 44 CF CE 11 GPO7 Vertical Start reg_gpo7_Istart 00 00 00 01 43 CD CC 11 GPO7 Horizontal Duration reg_gpo7_pcount 00 00 00 40 www.national.com 13 |
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