MB91F467BA datasheet(4/127 Pages) CYPRESS

4 / 127 page

MB91460B Series

Document Number: 002-04608 Rev. *A

Page 3 of 126

Contents

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

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

2.1 MB91F467BA/466BA with MD_3=1............................... 7

2.2 MB91F467BA/466BA with MD_3=0............................... 8

2.3 MB91F465BB/464BB with MD_3=1............................... 9

2.4 MB91F465BB/464BB with MD_3=0............................. 10

Pin Description........................................................... 11

3.1 MB91F467BA/466BA AND MB91F465BB/464BB with

MD_3=1 ....................................................................... 11

3.2 MB91F467BA/466BA AND MB91F465BB/464BB with

MD_3=0 ....................................................................... 16

I/O Circuit Types......................................................... 21

Handling Devices ....................................................... 27

5.1 Preventing Latch-up..................................................... 27

5.2 Handling of unused input pins...................................... 27

5.3 Power supply pins........................................................ 27

5.4 Crystal oscillator circuit ................................................ 27

5.5 Notes on using external clock ...................................... 27

5.6 Mode pins (MD_x)........................................................ 28

5.7 Notes on operating in PLL clock mode ........................ 28

5.8 Pull-up control .............................................................. 28

Notes on Debugger.................................................... 29

6.1 Execution of the RETI Command ................................ 29

6.2 Break function .............................................................. 29

6.3 Operand break ............................................................. 29

6.4 Notes on PS register.................................................... 29

Block Diagram............................................................ 30

7.1 MB91F467BA/466BA with MD_3=1............................. 30

7.2 MB91F467BA/466BA with MD_3=0............................. 31

7.3 MB91F465BB/464BB with MD_3=1............................. 32

7.4 MB91F465BB/464BB with MD_3=0............................. 33

CPU and Control Unit ................................................ 34

8.1 Features....................................................................... 34

8.2 Internal Architecture..................................................... 34

8.3 Programming Model..................................................... 35

8.4 Registers...................................................................... 36

Embedded Program/Data Memory (Flash) .............. 39

9.1 Flash features .............................................................. 39

9.2 Operation Modes ......................................................... 39

9.3 Flash Access in CPU mode ......................................... 40

9.4 Parallel Flash Programming Mode............................... 47

9.5 Poweron Sequence in Parallel Programming Mode .... 50

9.6 Flash Security .............................................................. 50

10. Memory Space............................................................ 53

11. Memory Maps ............................................................. 54

11.1 MB91F467BA, MB91F466BA ...................................... 54

11.2 MB91F465BB, MB91F464BB ...................................... 55

12. I/O Map ........................................................................ 56

12.1 MB91F467BA/466BA, MB91F465BB/464BB............... 56

12.2 Flash Memory and External Bus Area .......................... 83

13. Interrupt Vector Table ................................................. 87

14. Recommended Settings............................................. 91

14.1 PLL and Clock Gear Settings........................................ 91

14.2 Clock Modulator settings............................................... 92

15. Electrical Characteristics........................................... 97

15.1 Absolute Maximum Ratings .......................................... 97

15.2 Recommended Operating Conditions......................... 100

15.3 DC Characteristics...................................................... 101

15.4 A/D Converter Characteristics .................................... 104

15.5 Alarm Comparator Characteristics.............................. 108

15.6 Flash Memory Program/Erase Characteristics ........... 109

15.7 AC Characteristics ...................................................... 110

16. Ordering Information................................................ 122

17. Package Dimension.................................................. 123

18. Revision History........................................................ 124

19. Main Changes in this Edition................................... 124

Document History .............................................................. 125

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