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DS90UH929-Q1 Datasheet(PDF) 4 Page - Texas Instruments |
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DS90UH929-Q1 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 77 page  DS90UH929-Q1 SNLS458 – NOVEMBER 2014 www.ti.com Pin Functions (continued) PIN I/O, TYPE DESCRIPTION NAME NO. CEC 1 IO, Open- Consumer Electronic Control Channel Input/Output Interface. Drain Pull-up with a 27k Ω resistor to 3.3V X1 39 I, LVCMOS Optional Oscillator Input: This pin is the optional reference clock for CEC. It must be connected to a 25 MHz 0.1% (1000ppm), 45-55% duty cycle clock source at CMOS-level 1.8V. Leave it open if unused. FPD-LINK III SERIAL DOUT- 26 O FPD-Link III Inverting Output The output must be AC-coupled with a 0.1µF capacitor for interfacing with 92x deserializers and 33nF capacitor for 94x deserializers DOUT+ 27 O FPD-Link III True Output The output must be AC-coupled with a 0.1µF capacitor for interfacing with 92x deserializers and 33nF capacitor for 94x deserializers LFT 20 Analog FPD-Link III Loop Filter Connect to a 10nF capacitor to GND CONTROL SDA 14 IO, Open- I2C Data Input / Output Interface Drain Open drain. Must have an external pull-up to resistor to 1.8V or 3.3V. See I2CSEL pin. DO NOT FLOAT. Recommended pull-up: 4.7k Ω. SCL 15 IO, Open- I2C Clock Input / Output Interface Drain Open drain. Must have an external pull-up resistor to 1.8V or 3.3V. See I2CSEL pin. DO NOT FLOAT. Recommended pull-up: 4.7k Ω. I2CSEL 6 I, LVCMOS I2C Voltage Level Strap Option Tie to VDDIO with a 10kΩ resistor for 1.8V I2C operation. Leave floating for 3.3V I2C operation. This pin is read as an input at power up. IDx 19 Analog I2C Serial Control Bus Device ID Address Select MODE_SEL0 18 Analog Mode Select 0. See Table 4. MODE_SEL1 32 Analog Mode Select 1. See Table 4. PDB 31 I, LVCMOS Power-Down Mode Input Pin INTB 13 O, Open- Open Drain. Remote interrupt. Active LOW. Drain Pull up to VDDIO with a 4.7k Ω resistor. REM_INTB 40 O, Open- Remote interrupt. Mirrors status of INTB_IN from the deserializer. Drain Note: External pull-up to 1.8V required. Recommended pull-up: 4.7k Ω. INTB = H, Normal Operation INTB = L, Interrupt Request 4 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: DS90UH929-Q1 |
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