CY7C4022KV13/CY7C4042KV13
Contents
Pin Configurations ...........................................................5
Pin Definitions ..................................................................7
Functional Overview ........................................................9
Clocking .......................................................................9
Command Cycles ........................................................9
Read and Write Data Cycles .......................................9
Banking Operation .......................................................9
Address and Data Bus Inversion .................................9
Address Parity ...........................................................10
Port Enable ................................................................10
On-Die Termination (ODT) Operation .......................10
JTAG Operation ........................................................10
Power Up and Reset .................................................10
Operation Modes .......................................................11
Deskew Training Sequence ......................................12
I/O Signaling Standards ............................................12
Initialization ................................................................13
Configuration Registers .............................................14
Configuration Registers Description ..........................15
Configuration Register Definitions .............................15
I/O Type and Port Enable Bit Definitions ...................17
ODT Termination Bit Definitions ................................18
Drive Strength Bit Definitions ....................................19
IEEE 1149.1 Serial Boundary Scan (JTAG) ..................20
Test Access Port .......................................................20
TAP Registers ...........................................................20
TAP Instruction Set ...................................................20
TAP Controller State Diagram .......................................22
TAP Controller Block Diagram ......................................23
TAP Electrical Characteristics ......................................24
TAP AC Switching Characteristics ...............................24
TAP Timing Diagram ......................................................25
Identification Register Definitions ................................26
Scan Register Sizes .......................................................26
Instruction Codes ...........................................................26
Boundary Scan Order ....................................................27
Maximum Ratings ...........................................................30
Operating Range .............................................................30
Neutron Soft Error Immunity .........................................30
Electrical Characteristics ...............................................30
Capacitance ....................................................................32
Thermal Resistance ........................................................32
AC Test Load and Waveform .........................................32
Switching Characteristics ..............................................33
Switching Waveforms ....................................................35
Ordering Information ......................................................42
Ordering Code Definitions .........................................42
Package Diagram ............................................................43
Acronyms ........................................................................44
Document Conventions .................................................44
Units of Measure .......................................................44
Document History Page .................................................45
Sales, Solutions, and Legal Information ......................46
Worldwide Sales and Design Support .......................46
Products ....................................................................46
PSoC® Solutions ......................................................46
Cypress Developer Community .................................46
Technical Support .....................................................46
Document Number: 001-79552 Rev. *O
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