Document Number: 002-04712 Rev.*A

Page 3 of 65

MB96620 Series

Contents

1. Product Lineup.................................................................................................................................................................. 5

2. Block Diagram ................................................................................................................................................................... 6

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

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

5. Pin Circuit Type............................................................................................................................................................... 10

6. I/O Circuit Type ............................................................................................................................................................... 12

7. Memory Map .................................................................................................................................................................... 17

8. RAMSTART Addresses................................................................................................................................................... 18

9. User ROM Memory Map For Flash Devices .................................................................................................................. 19

10. Serial Programming Communication Interface ............................................................................................................ 20

11. Interrupt Vector Table..................................................................................................................................................... 21

12. Handling Precautions ..................................................................................................................................................... 25

12.1

Precautions for Product Design................................................................................................................................... 25

12.2

Precautions for Package Mounting.............................................................................................................................. 26

12.3

Precautions for Use Environment ................................................................................................................................ 27

13. Handling Devices ............................................................................................................................................................ 28

13.1

Latch-up prevention..................................................................................................................................................... 28

13.2

Unused pins handling .................................................................................................................................................. 28

13.3

External clock usage ................................................................................................................................................... 29

13.3.1 Single phase external clock for Main oscillator............................................................................................................. 29

13.3.2 Single phase external clock for Sub oscillator .............................................................................................................. 29

13.3.3 Opposite phase external clock ..................................................................................................................................... 29

13.4

Notes on PLL clock mode operation............................................................................................................................ 29

13.5

Power supply pins (Vcc/Vss) ......................................................................................................................................... 29

13.6

Crystal oscillator and ceramic resonator circuit ........................................................................................................... 30

13.7

Turn on sequence of power supply to A/D converter and analog inputs ..................................................................... 30

13.8

Pin handling when not using the A/D converter........................................................................................................... 30

13.9

Notes on Power-on...................................................................................................................................................... 30

13.10 Stabilization of power supply voltage .......................................................................................................................... 30

13.11 Serial communication .................................................................................................................................................. 30

13.12 Mode Pin (MD) ............................................................................................................................................................ 30

14. Electrical Characteristics ............................................................................................................................................... 31

14.1

Absolute Maximum Ratings......................................................................................................................................... 31

14.2

Recommended Operating Conditions ......................................................................................................................... 33

14.3

DC Characteristics ...................................................................................................................................................... 34

14.3.1 Current Rating.............................................................................................................................................................. 34

14.3.2 Pin Characteristics ....................................................................................................................................................... 38

14.4

AC Characteristics....................................................................................................................................................... 40

14.4.1 Main Clock Input Characteristics.................................................................................................................................. 40

14.4.2 Sub Clock Input Characteristics ................................................................................................................................... 41

14.4.3 Built-in RC Oscillation Characteristics.......................................................................................................................... 42

14.4.4 Internal Clock Timing ................................................................................................................................................... 42

14.4.5 Operating Conditions of PLL ........................................................................................................................................ 43

14.4.6 Reset Input................................................................................................................................................................... 43

14.4.7 Power-on Reset Timing................................................................................................................................................ 44

14.4.8 USART Timing ............................................................................................................................................................. 45