Cypress Semiconductor NoBL CY7C1462AV25 Manual de usuario Pagina 3
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CY7C1460AV25
CY7C1462AV25
Document Number: 38-05354 Rev. *J Page 3 of 31
Contents
Selection Guide ................................................................4
Pin Configurations ...........................................................4
Pin Definitions ..................................................................6
Functional Overview ........................................................7
Single Read Accesses ................................................7
Burst Read Accesses ..................................................7
Single Write Accesses .................................................7
Burst Write Accesses ..................................................8
Sleep Mode ................................................................. 8
Interleaved Burst Address Table .................................8
Linear Burst Address Table .........................................8
ZZ Mode Electrical Characteristics .............................. 8
Truth Table ........................................................................ 9
Partial Write Cycle Description .....................................10
Partial Write Cycle Description .....................................11
IEEE 1149.1 Serial Boundary Scan (JTAG) ..................12
Disabling the JTAG Feature ......................................12
Test Access Port (TAP) ............................................. 12
PERFORMING A TAP RESET .................................. 12
TAP REGISTERS ...................................................... 12
TAP Instruction Set ................................................... 12
TAP Controller State Diagram .......................................14
TAP Controller Block Diagram ...................................... 15
TAP Timing ...................................................................... 15
TAP AC Switching Characteristics ...............................16
2.5 V TAP AC Test Conditions ....................................... 17
2.5 V TAP AC Output Load Equivalent ......................... 17
1.8 V TAP AC Test Conditions ....................................... 17
1.8 V TAP AC Output Load Equivalent ......................... 17
TAP DC Electrical Characteristics and
Operating Conditions ..................................................... 17
Identification Register Definitions ................................ 18
Scan Register Sizes ....................................................... 18
Instruction Codes ........................................................... 18
Boundary Scan Order .................................................... 19
Maximum Ratings ........................................................... 20
Operating Range ............................................................. 20
Electrical Characteristics ............................................... 20
Capacitance .................................................................... 21
Thermal Resistance ........................................................ 21
AC Test Loads and Waveforms ..................................... 21
Switching Characteristics .............................................. 22
Switching Waveforms .................................................... 23
Ordering Information ...................................................... 25
Ordering Code Definitions ......................................... 25
Package Diagrams .......................................................... 26
Acronyms ........................................................................ 28
Document Conventions ................................................. 28
Units of Measure ....................................................... 28
Document History Page ................................................. 29
Sales, Solutions, and Legal Information ...................... 31
Worldwide Sales and Design Support ....................... 31
Products .................................................................... 31
PSoC Solutions ......................................................... 31
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