CY91460D datasheet(3/138 Pages) CYPRESS

3 / 138 page

Document Number: 002-04613 Rev. *B

Page 3 of 138

CY91460D Series

Contents

Product Lineup ................................................................. 4

Pin Assignment ................................................................ 7

CY91F465DA, CY91F467Dx ....................................... 7

Pin Description ................................................................. 8

CY91F465DA, CY91F467Dx ....................................... 8

I/O Circuit Types ............................................................. 16

Handling Devices ............................................................ 22

Preventing Latch-up .................................................. 22

Handling of unused input pins ................................... 22

Power supply pins ..................................................... 22

Crystal oscillator circuit .............................................. 22

Notes on using external clock ................................... 22

Mode pins (MD_x) ..................................................... 23

Notes on operating in PLL clock mode ...................... 23

Pull-up control ........................................................... 23

Notes on PS register ................................................. 23

Notes on Debugger ........................................................ 24

Execution of the RETI Command .............................. 24

Break function ........................................................... 24

Operand break .......................................................... 24

Block Diagram ................................................................ 25

CY91F465DA, CY91F467Dx ..................................... 25

CPU and Control Unit ..................................................... 26

Features .................................................................... 26

Internal architecture ................................................... 26

Programming model .................................................. 27

Registers ................................................................... 28

Embedded Program/data Memory (Flash) ................... 31

Flash features ............................................................ 31

Operation modes ....................................................... 31

Flash access in CPU mode ....................................... 32

Parallel Flash programming mode ............................ 36

Poweron Sequence in parallel programming mode .. 38

Flash Security ............................................................ 38

Memory Space ................................................................ 41

Memory Maps .................................................................. 42

CY91F465DA, CY91F467Dx ..................................... 42

I/O Map ............................................................................. 43

CY91F465DA, CY91F467Dx ..................................... 43

Flash memory and external bus area ........................ 69

Interrupt Vector Table .................................................... 71

Recommended Settings ................................................. 76

PLL and Clockgear settings ...................................... 76

Clock Modulator settings ........................................... 77

Electrical Characteristics ............................................... 83

Absolute maximum ratings ........................................ 83

Recommended operating conditions ......................... 86

DC characteristics ..................................................... 87

A/D converter characteristics .................................... 91

Alarm comparator characteristics .............................. 95

FLASH memory program/erase characteristics ........ 96

AC characteristics ..................................................... 97

Ordering Information ................................................... 132

Package Dimension ...................................................... 133

Revision History ........................................................... 134

Document History ......................................................... 136

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