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GS1500 Scheda tecnica(PDF) 7 Page - Gennum Corporation |
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GS1500 Scheda tecnica(HTML) 7 Page - Gennum Corporation |
7 / 17 page GENNUM CORPORATION 522 - 33 - 00 7 66 SAV_ERR Synchronous wrt PCLK_IN Output Status Signal Output. Indicates a TRS error or a mismatch between the embedded TRS and the flywheel TRS when the flywheel is enabled. This signal is set high when an error in the SAV TRS is detected or when the internal flywheel indicates there is a mismatching SAV TRS. Refer to Fig. 3 for timing information of SAV_ERR relative to LUMA (DATA_OUT[19:10]) and CHROMA (DATA_OUT [9:0]). 67 EAV_ERR Synchronous wrt PCLK_IN Output Status Signal Output. Indicates a TRS error or a mismatch between the embedded TRS and the flywheel TRS when the flywheel is enabled. This signal is set high when an error in the EAV TRS is detected or when the internal flywheel indicates there is a mismatching EAV TRS. Refer to Fig. 3 for timing information of EAV_ERR relative to LUMA (DATA_OUT[19:10]) and CHROMA (DATA_OUT [9:0]). 70 TEST TEST Test Pin. Used for test purposes only. This pin must be connected to GND for normal operation. 71 YCS_ERR Synchronous wrt PCLK_IN Output Status Signal Output. Indicates a checksum error or a mismatch between the embedded checksum and the calculated checksum for the LUMA (DATA_OUT[19:10]) channel. When YCS_ERR is high, an error in the checksum is detected. Refer to Fig. 18 for timing information of YCS_ERR relative to LUMA (DATA_OUT[19:10]). 72 CCS_ERR Synchronous wrt PCLK_IN Output Status Signal Output. Indicates a checksum error or a mismatch between the embedded checksum and the calculated checksum for the CHROMA (DATA_OUT[9:0]) channel. When CCS_ERR is high, an error in the checksum is detected. Refer to Fig. 18 for timing information of CCS_ERR relative to CHROMA (DATA_OUT [9:0]). 73, 74, 75 FF_STA[2:0] Output Control Signal Output. FF_STA[2:0] is the FIFO status output to indicate the content level of the internal FIFOs. FF_STA[2:0]=000: Error flag, FIFO is under run . FF_STA[2:0]=001: FIFO is empty. FF_STA[2:0]=010: FIFO is almost empty; 32 bytes filled FF_STA[2:0]=011: FIFO is ready. FF_STA[2:0]=100: FIFO is half full. FF_STA[2:0]=101: FIFO is almost full; 992 bytes filled FF_STA[2:0]=110: FIFO is full. FF_STA[2:0]=111: Error flag, FIFO is over run. When ANC_Y/C is high, FF_STA[2:0] indicates the status of the LUMA ANC data FIFO. When ANC_Y/C is low, FF_STA[2:0] indicates the status of the CHROMA ANC data FIFO. See Fig. 6 to Fig. 15 for timing information. 76, 77, 80, 83, 84, 85, 86, 87, 88, 89 ANC_OUT[9:0] Synchronous wrt PCLK_IN Output ANC Data Output Bus. ANC_OUT[9] is the MSB and ANC_OUT[0] is the LSB. When ANC_Y/C is high, ANC_OUT[9:0] presents ANC data from the LUMA FIFO. When ANC_Y/C is low, ANC_OUT[9:0] presents ANC data from the CHROMA FIFO. 92 R_CLK N/A Input Input Clock Signal. Used to read information from the internal FIFO(s). On the rising edge of R_CLK, the device will extract the next word from the internal LUMA/CHROMA channel data FIFO, depending on the status of the ANC_Y/C signal. 95 FOEN Non- synchronous Input Control Signal Input. Used to enable or disable the internal FIFO outputs. When FOEN is low, the FIFO ANC_OUT[9:0] and FF_STA[2:0] are enabled. When FOEN is high, the FIFO ANC_OUT[9:0] and FF_STA[2:0] outputs are in a high Z state. Note that the internal read address pointers are updated independently of FOEN. PIN DESCRIPTIONS (Continued) NUMBER SYMBOL TIMING TYPE DESCRIPTION |
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Descrizione simile - GS1500 |
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