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BU16025MUV Folha de dados(PDF) 9 Page - Rohm |
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BU16025MUV Folha de dados(HTML) 9 Page - Rohm |
9 / 17 page Technical Note 9/16 BU16025MUV www.rohm.com 2011.01 - Rev.A © 2011 ROHM Co., Ltd. All rights reserved. ● Pin Explanation Pin I/O Explanations Name Number B1, B2, B3, B4 38, 41, 44, 47 Input TMDS Negative input A1, A2, A3, A4 39, 42, 45, 48 Input TMDS Positive input Z1, Z2, Z3, Z4 23, 20, 17, 14 Output TMDS Negative input Y1, Y2, Y3, Y4 22, 19, 16, 13 Output TMDS Positive input EQ 1 Input Equalizer gain setting(40kΩ internal pull down) “L” 5dB “H” 15dB PRE 3 Input TMDS Low output swing mode(Recommend High) Low : OFF High : ON HPDINV 4 Input HPD output select switch Low : non-invert High : Invert and open drain output REXT 6 Input TMDS Current control pin(via 1. 2kΩ to GND) HPD 7 Output Hot plug detect output (*1) SDAx 8 Inout DDC Data line(*2 Vol = 0.5V) SCLx 9 Inout DDC Clock line(*2 Vol = 0.5V) TEST0 10 Input Open or Gnd HDMIID_EN 11 Input HDMI ID Enable(40kΩ internal pull up) (*3 ) Low : 0xFF(DVI) High : ASCII (HDMI) OEB 25 Input TMDS line internal resistor and output enable switch Low : ON(Enable) High : High-Z SCLy 28 Inout DDC Clock line (*2) SDAy 29 Inout DDC Data line (*2) HPD_SINK 30 Input Hot plug detect input(10kΩ internal pull down) DDCEN 32 Input I 2C Repeater Enable Low : High-Z High : Enable I2C_ONB 33 Input Built-in I 2C Slave Enable Switch(90kΩ internal pull up) (*3 ) Low : ON High : OFF DDC_TI 34 Input DDC Data hold margin setting (40kΩinternal pull down) (*4) DDC_TI = “L” Delay from SDAx to SDAy = 570nsec, Delay from SCLx to SCLy = 20nsec Delay from SDAy to SDAx = 370nsec, Delay from SCLy to SCLx = 20nsec DDC_TI = “H” Delay from SDAx to SDAy = 20nsec, Delay from SCLx to SCLy = 20nsec Delay from SDAy to SDAx = 20ncec, Delay from SCLy to SCLx = 20nsec SELREF 35 Input SCLx/SDAx L level output voltage select ( 40kΩ internal pull down) VCC 2 ,15, 21, 26, 40, 46 - Power GND 5, 12, 18, 24, 27, 31, 36, 37, 43 - Ground (*1) HPD_OFF mode sets Hot plug detect output to High impedance. Except HPD_OFF mode, HPD is always active. (*2) SDAx/SCLx, SDAy/SCLy have different L level input and output voltage. Please refer recommended operating condition in detail (*3) HDMIID_EN, I2C_ONB don’t need to be Enable except using internal I 2C slave. (*4) Data hold time increases when DDC_TI= “L”. But Data setup time and holdtime of Start condition decrease. |
Nº de peça semelhante - BU16025MUV_11 |
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Descrição semelhante - BU16025MUV_11 |
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