AD9520-0 Analog Devices, Inc., AD9520-0 Datasheet - Page 3

• Manufacturer Part Number: AD9520-0
• Description: 12 Lvpecl/24 Cmos Output Clock Generator With Integrated 2.8 Ghz Vco
• Manufacturer: Analog Devices, Inc.

Serial Control Port .......................................................................... 51
REVISION HISTORY
9/08—Revision 0: Initial Version
Reset Modes ................................................................................. 49
Power-Down Modes ................................................................... 50
SPI/I2C Port Selection ................................................................ 51
I2C Serial Port Operation ........................................................... 51
SPI Serial Port Operation ........................................................... 54
SPI Instruction Word (16 Bits) .................................................. 55
SPI MSB/LSB First Transfers ..................................................... 55
Power-On Reset ....................................................................... 49
Hardware Reset via the RESET Pin ...................................... 49
Soft Reset via the Serial Port.................................................. 50
Soft Reset to Settings in EEPROM when
EEPROM Pin = 0 via the Serial Port ...................................... 50
Chip Power-Down via PD ..................................................... 50
PLL Power-Down .................................................................... 50
Distribution Power-Down ..................................................... 50
Individual Clock Output Power-Down ................................ 50
Individual Clock Channel Power-Down ............................. 50
I
Data Transfer Process ............................................................. 52
Data Transfer Format ............................................................. 53
I2C Serial Port Timing ............................................................ 53
Pin Descriptions ...................................................................... 54
SPI Mode Operation ............................................................... 54
Communication Cycle—Instruction Plus Data .................. 54
Write ......................................................................................... 54
Read .......................................................................................... 54
2
C Bus Characteristics ........................................................... 51
Rev. 0 | Page 3 of 84
EEPROM Operations ..................................................................... 58
Thermal Performance ..................................................................... 61
Register Map .................................................................................... 62
Register Map Descriptions ............................................................. 67
Applications Information ............................................................... 82
Outline Dimensions ........................................................................ 84
Writing to the EEPROM ............................................................ 58
Reading from the EEPROM ...................................................... 58
Programming the EEPROM Buffer Segment.......................... 59
Frequency Planning Using the AD9520 .................................. 82
Using the AD9520 Outputs for ADC Clock Applications .... 82
LVPECL Clock Distribution ...................................................... 82
CMOS Clock Distribution ......................................................... 83
Ordering Guide ........................................................................... 84
Register Section Definition Group ....................................... 59
IO_UPDATE (Operational Code 0x80) .............................. 59
End-of-Data (Operational Code 0xFF) ............................... 59
Pseudo-End-of-Data (Operational Code 0xFE) ................. 59
AD9520-0