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CDCM6208 Datasheet(PDF) 36 Page - Texas Instruments |
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CDCM6208 Datasheet(HTML) 36 Page - Texas Instruments |
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36 / 94 page  CDCM6208 SCAS931G – MAY 2012 – REVISED JANUARY 2018 www.ti.com 36 Product Folder Links: CDCM6208 Submit Documentation Feedback Copyright © 2012–2018, Texas Instruments Incorporated (1) The functionality of the status 0 and status 1 pins in SPI and I2C mode is programmable. (2) The REF_SEL input pin selects the primary or secondary input in MANUAL mode. That is: If the system only uses a XTAL on the secondary input, REF_SEL should be tied to VDD. The primary and secondary input stage power supply must be always connected. For all pin modes, STATUS0 outputs the PLL_LOCK signal and STATUS1 the LOSS OF REFERENCE. General Note: in all pin mode, all voltage supplies must either be 1.8 V or 2.5/3.3 V and the PWR pin number 44 must be set to 0 or 1 accordingly. In SPI and I2C mode, the supply voltages can be "mixed and matched" as long as the corresponding register bits reflect the supply voltage setting for each desired 1.8 V or 2.5/3.3 V supply. Exception: inputs configured for LVDS signaling (Type = LVDS) are supply agnostic, and therefore can be powered from 2.5 V/3.3 V or 1.8 V regardless of the supply select setting of pin number 44. Table 6. Pre-Configured Settings of CDCM6208V1 Accessible by PlN[4:0](1)(2) UseCase Type Type f(PFD) f(VCO) Type Type Type Type Type Type Type Type 00 I/O SPI Default 25 LVDS 25 Crystal MANU 25 2500 156.25 CML 156.25 CML 125.00 LVDS 125.00 LVDS 66.66 LVDS 66.66 LVDS 100.00 LVDS 100.00 LVDS 01 I/O I2C Default 25 LVDS 25 Crystal MANU 25 2500 156.25 CML 156.25 CML 125.00 LVDS 125.00 LVDS 66.66 LVDS 66.66 LVDS 100.00 LVDS 100.00 LVDS 11 RESERVED 10 0x00 PinMode 1-V1 25 LVDS 25 Crystal MANU 25 2400 100 LVDS 100 LVDS 100 LVDS 100 LVDS 100 LVDS 100 LVDS 100 LVDS 100 LVDS 10 0x01 PinMode 2-V1 25 LVDS 25 Crystal MANU 25 2400 100 PECL 100 PECL 100 PECL 100 PECL 100 HCSL 100 HCSL 100 HCSL 100 HCSL 10 0x02 PinMode 3-V1 25 LVDS 25 Crystal MANU 25 2400 100 CML 100 CML 100 CML 100 CML 100 LVDS 100 LVDS 100 LVDS 100 LVDS 10 0x03 PinMode 4-V1 25 LVDS 25 Crystal MANU 25 2500 156.25 LVDS 156.25 LVDS 156.25 LVDS 156.25 LVDS 156.25 LVDS 156.25 LVDS 156.25 LVDS 156.25 LVDS 10 0x04 PinMode 5-V1 25 LVDS 25 Crystal MANU 25 2500 156.25 PECL 156.25 PECL 156.25 PECL 156.25 PECL 156.25 HCSL 156.25 HCSL 156.25 HCSL 156.25 HCSL 10 0x05 PinMode 6-V1 25 LVDS 25 Crystal MANU 25 2500 156.25 CML 156.25 CML 156.25 CML 156.25 CML 156.25 LVDS 156.25 LVDS 156.25 LVDS 156.25 LVDS 10 0x06 PinMode 7-V1 25 LVDS 25 Crystal MANU 25 2500 125 LVDS 125 LVDS 125 LVDS 125 LVDS 125 LVDS 125 LVDS 125 LVDS 125 LVDS 10 0x07 PinMode 8-V1 25 LVDS 25 Crystal MANU 25 2500 125 PECL 125 PECL 125 PECL 125 PECL 125 HCSL 125 HCSL 125 HCSL 125 HCSL 10 0x08 PinMode 9-V1 25 LVDS 25 Crystal MANU 25 2500 125 CML 125 CML 125 CML 125 CML 125 LVDS 125 LVDS 125 LVDS 125 LVDS 10 0x09 PinMode 10-V1 25 LVDS 25 Crystal MANU 25 2500 125 LVDS 125 LVDS 156.25 LVDS 156.25 LVDS 100 LVDS 100 LVDS 133.33 LVDS 25 LVDS 10 0x0A PinMode 11-V1 25 LVDS 25 Crystal MANU 25 2500 312.5 PECL 312.5 PECL 312.5 PECL 312.5 PECL 312.5 HCSL 312.5 HCSL 312.5 HCSL 312.5 HCSL 10 0x0B PinMode 12-V1 25 LVDS 25 Crystal MANU 25 2500 156.25 PECL 156.25 PECL 100 PECL 100 PECL 156.25 HCSL 156.25 HCSL 100 HCSL 100 HCSL 10 0x0C PinMode 13-V1 25 LVDS 25 Crystal MANU 25 2500 156.25 PECL 156.25 PECL 156.25 PECL 156.25 PECL 125 HCSL 125 HCSL 125 HCSL 125 HCSL 10 0x0D PinMode 14-V1 25 LVDS 25 Crystal MANU 25 2400 200 PECL 200 PECL 100 PECL 100 PECL 100 HCSL 100 HCSL 200 HCSL 200 HCSL 10 0x0E PinMode 15-V1 25 LVDS 25 Crystal MANU 25 2500 500 PECL 500 PECL 250 PECL 250 PECL 125 HCSL 125 HCSL 100 HCSL 25 CMOS 10 0x0F PinMode 16-V1 25 LVDS 25 Crystal MANU 25 2500 625 PECL 625 PECL 312.5 PECL 312.5 PECL 156.25 HCSL 156.25 HCSL 125 HCSL 25 CMOS 10 0x10 PinMode 17-V1 30.72 LVDS 30.72 Crystal MANU 30.72 2457.6 122.88 PECL 122.88 PECL 153.6 PECL 153.6 PECL 30.72 CMOS 153.6 HCSL 61.44 HCSL 122.88 CMOS 10 0x11 PinMode 18-V1 24.8832 LVDS 24.8832 Crystal MANU 24.8832 2488.32 622.08 CML 622.08 CML 622.08 CML 622.08 CML 155.52 LVDS 155.52 LVDS 155.52 LVDS 155.52 LVDS 10 0x12 PinMode 19-V1 25 LVDS 25 Crystal MANU 25 2500 156.25 LVDS 156.25 LVDS 125 LVDS 125 LVDS 66.67 LVDS 25 CMOS 25 LVDS 100 LVDS 10 0x13 PinMode 20-V1 0.008 CMOS 0.008 CMOS MANU 0.008 2500 156.25 LVDS 156.25 PECL 125 LVDS 125 LVDS 125 CMOS 25 LVDS 100 HCSL 100 HCSL 10 0x14 PinMode 21-V1 25 LVDS 25 Crystal MANU 25 2500 100 LVDS 100 LVDS 156.25 LVDS 156.25 LVDS 122.88 LVDS 30.72 LVDS 66.67 LVDS 153.6 LVDS 10 0x15 PinMode 22-V1 25 LVDS 25 Crystal MANU 25 2500 100 PECL 100 PECL 156.25 PECL 156.25 PECL 100 HCSL 100 HCSL 100 HCSL 100 HCSL 10 0x16 PinMode 23-V1 25 LVDS 25 Crystal MANU 25 2500 100 PECL 100 PECL 156.25 PECL 156.25 PECL 100 HCSL 100 HCSL 156.25 HCSL 100 HCSL 10 0x17 PinMode 24-V1 25 LVDS 25 Crystal MANU 25 2500 125 PECL 125 PECL 100 PECL 100 PECL 100 HCSL 100 HCSL 100 HCSL 100 HCSL 10 0x18 PinMode 25-V1 25 LVDS 25 Crystal MANU 25 2500 100 PECL 100 PECL 156.25 PECL 156.25 PECL 100 HCSL 100 HCSL 155.52 HCSL 155.52 HCSL 10 0x19 PinMode 26-V1 25 LVDS 25 Crystal MANU 25 2500 156.25 PECL 156.25 PECL 100 PECL 100 PECL 125 HCSL 156.26 HCSL 212.5 HCSL 106.25 HCSL 10 0x1A PinMode 27-V1 25 LVDS 25 Crystal MANU 25 2500 100 PECL 100 PECL 250 PECL 250 PECL 100 HCSL 100 HCSL 100 HCSL 125 HCSL |
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