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TNETV6446AINZWT 数据表(PDF) 42 Page - Texas Instruments |
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TNETV6446AINZWT 数据表(HTML) 42 Page - Texas Instruments |
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42 / 227 page  TMS320DM6446 SPRS283H – DECEMBER 2005 – REVISED SEPTEMBER 2010 www.ti.com Table 2-19. VPFE Terminal Functions SIGNAL TYPE(1) OTHER(2) (3) DESCRIPTION NAME NO. VIDEO/IMAGE IN (VPFE) – Pixel clock input used to load image data into the CCD Controller (CCDC) on pins PCLK M19 I DVDD18 CI[7:0] and YI[7:0]. – Vertical synchronization signal that can be either an input (slave mode) or an output VD L19 I/O/Z DVDD18 (master mode), which signals the start of a new frame to the CCDC. – Horizontal synchronization signal that can be either an input (slave mode) or an HD M18 I/O/Z DVDD18 output (master mode), which signals the start of a new line to the CCDC. This pin is multiplexed between the CCDC and UART2. When used by the CCDC as input CI7, it supports several modes. CI7/ IPD In 16-bit CCD Analog-Front-End (AFE) mode, it is input CCD15. CCD15/ N19 I/O/Z DVDD18 In 16-bit YCbCr mode, it is time multiplexed between CB7 and CR7 inputs. UART_RXD2 In 8-bit YCbCr mode, it is time multiplexed between Y7, CB7, and CR7 of the upper 8-bit channel. This pin is multiplexed between the CCDC and UART2. When used by the CCDC as input CI6, it supports several modes. In 16-bit CCD CI6/ IPD AFE mode, it is input CCD14. CCD14/ N18 I/O/Z DVDD18 In 16-bit YCbCr mode, it is time multiplexed between CB6 and CR6 inputs. UART_TXD2 In 8-bit YCbCr mode, it is time multiplexed between Y6, CB6, and CR6 of the upper 8-bit channel. This pin is multiplexed between the CCDC and UART2. When used by the CCDC as input CI5, it supports several modes. CI5/ IPD In 16-bit CCD AFE mode, it is input CCD13. CCD13/ N17 I/O/Z DVDD18 In 16-bit YCbCr mode, it is time multiplexed between CB5 and CR5 inputs. UART_CTS2 In 8-bit YCbCr mode, it is time multiplexed between Y5, CB5, and CR5 of the upper 8-bit channel. This pin is multiplexed between the CCDC and UART2. When used by the CCDC as input CI4, it supports several modes. CI4/ IPD In 16-bit CCD AFE mode, it is input CCD12. CCD12/ N16 I/O/Z DVDD18 In 16-bit YCbCr mode, it is time multiplexed between CB4 and CR4 inputs. UART_RTS2 In 8-bit YCbCr mode, it is time multiplexed between Y4, CB4, and CR4 of the upper 8-bit channel. This pin is CCDC input CI3 and it supports several modes. In 16-bit CCD AFE mode, it is input CCD11. CI3/ IPD N15 I In 16-bit YCbCr mode, it is time multiplexed between CB3 and CR3 inputs. CCD11 DVDD18 In 8-bit YCbCr mode, it is time multiplexed between Y3, CB3, and CR3 of the upper 8-bit channel. This pin is CCDC input CI2 and it supports several modes. In 16-bit CCD AFE mode, it is input CCD10. CI2/ IPD M17 I In 16-bit YCbCr mode, it is time multiplexed between CB2 and CR2 inputs. CCD10 DVDD18 In 8-bit YCbCr mode, it is time multiplexed between Y2, CB2, and CR2 of the upper 8-bit channel. This pin is CCDC input CI1 and it supports several modes. In 16-bit CCD AFE mode, it is input CCD9. CI1/ IPD M16 I In 16-bit YCbCr mode, it is time multiplexed between CB1 and CR1 inputs. CCD9 DVDD18 In 8-bit YCbCr mode, it is time multiplexed between Y1, CB1, and CR1 of the upper 8-bit channel. This pin is CCDC input CI0 and it supports several modes. In 16-bit CCD AFE mode, it is input CCD8. CI0/ IPD M15 I In 16-bit YCbCr mode, it is time multiplexed between CB0 and CR0 inputs. CCD8 DVDD18 In 8-bit YCbCr mode, it is time multiplexed between Y0, CB0, and CR0 of the upper 8-bit channel. This pin is CCDC input YI7 and it supports several modes. In 16-bit CCD AFE mode, it is input CCD7. YI7/ IPD L18 I In 16-bit YCbCr mode, it is input Y7. CCD7 DVDD18 In 8-bit YCbCr mode, it is time multiplexed between Y7, CB7, and CR7 of the lower 8-bit channel. (1) I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal (2) IPD = Internal pulldown, IPU = Internal pullup. (To pull up a signal to the opposite supply rail, a 1-k Ω resistor should be used.) (3) Specifies the operating I/O supply voltage for each signal 42 Device Overview Copyright © 2005–2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TMS320DM6446 |
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