Document Number: 001-73555 Rev. *B Page 2 of 19
Contents
lPin Configuration............................................................. 3
Configurable PLLs....................................................... 3
General-Purpose Inputs .............................................. 4
Crystal Input ................................................................ 4
Crystal Drive Level and Power.................................... 4
Digital VCXO ............................................................... 4
Output Configuration ................................................... 4
Power-Saving Features............................................... 4
Improving Jitter............................................................ 5
Power Supply Sequencing .......................................... 5
CyClocksRT Software ...................................................... 5
Device Programming........................................................ 5
Junction Temperature Limitations ............................... 5
Dynamic Updates........................................................ 5
Memory Bitmap Definitions............................................. 5
Clk{A–D}_Div[6:0]........................................................ 5
ClkE_Div[1:0]............................................................... 5
Clk*_FS[2:0] ................................................................ 5
Xbuf_OE...................................................................... 6
PdnEn.......................................................................... 6
Clk*_ACAdj[1:0]........................................................... 6
Clk*_DCAdj[1:0] .......................................................... 6
PLL*_Q[7:0]................................................................. 6
PLL*_P[9:0] ................................................................. 6
PLL*_P0 ...................................................................... 6
PLL*_LF[2:0] ............................................................... 6
PLL*_En ...................................................................... 6
DivSel.......................................................................... 6
OscCap[5:0] ................................................................ 6
OscDrv[1:0] ................................................................. 6
Reserved..................................................................... 6
Serial Programming Bitmaps – Summary Tables ......... 7
Serial Bus Programming Protocol and Timing.............. 8
Default Startup Condition for the CY22393................. 8
Device Address ........................................................... 8
Data Valid.................................................................... 8
Data Frame ................................................................. 8
Acknowledge Pulse..................................................... 8
Write Operations............................................................... 8
Writing Individual Bytes............................................... 8
Writing Multiple Bytes.................................................. 8
Read Operations............................................................... 8
Current Address Read................................................. 8
Random Read ............................................................. 8
Sequential Read.......................................................... 8
Serial Programming Interface Timing........................... 10
Serial Programming Interface Timing Specifications . 10
Electrical Specifications................................................ 11
Absolute Maximum Conditions.................................. 11
Operating Conditions................................................. 11
Recommended Crystal Specifications....................... 11
3.3 V Electrical Characteristics.................................. 11
3.3 V Switching Characteristics................................. 12
Switching Waveforms.................................................... 13
Test Circuit...................................................................... 14
Ordering Information...................................................... 15
Possible Configurations............................................. 15
Package Diagram............................................................ 16
Acronyms........................................................................ 17
Document Conventions................................................. 17
Units of Measure....................................................... 17
Document History Page................................................. 18
Sales, Solutions, and Legal Information ...................... 19
Worldwide Sales and Design Support....................... 19
Products.................................................................... 19
PSoC Solutions......................................................... 19
