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ew Products

MB90890 Series

17

FIND  Vol.21

No.1

2003

TOP VIEW

P17/PPG3

36

P16/PPG2

35

P15/PPG1

34

P14/PPG0

33

P13/IN3

32

P12/IN2

31

P11/IN1

30

P10/IN0

29

X1

28

X0

27

C

P37/ADTG

26

VSS

*MB90F897:X0A,X1A
 MB90F897S:P35,P36

AVCC

AVR

P50/AN0

P51/AN1

P52/AN2

P53/AN3

P54/AN4

P55/AN5

P56/AN6

P57/AN7

P20/TIN0

25

48

47

46

45

44

43

42

41

40

39

38

37

13

14

15

16

17

18

19

20

21

22

23

24

AVSS

X1A/P36*

X0A/P35*

P33

P32/SIN0

P31/SCK0

P30/SOT0

P44/RX

P43/TX

P42/SOT1

P41/SCK1

P40/SIN1

P21/TOT0

P22/TIN1

P23/TOT1

P24/INT4

P25/INT5

P26/INT6

P27/INT7

MD2

MD1

MD0

RST

V

CC

1

2

3

4

5

6

7

8

9

10

11

12

Figure 6

Pin Assignments

Hardware

Main unit
MB2141A

Software

S

OFTUNE

 V3 Workbench

S

OFTUNE

 V3 C Compiler

S

OFTUNE

 V3 Assembler

S

OFTUNE

 V3 C Analyzer

S

OFTUNE

 V3  C Checker

Emulation pod
MB2145-507

Probe cable
MB2132-466

Table 2

Development Tools

Содержание MB90890 Series

Страница 1: ... this innovation the flash memories applied conventionally for readout purposes to change programs can now be used to store various types of data during power interruptions This innovation offers several other advantages as well By eliminating the need for EEPROM and related component parts externally installed in the conventional designs it substantially reduces cost It also facilitates the new a...

Страница 2: ... oscillator set OFF CPU intermittent operation mode CPU operating clock repeatedly toggles ON and OFF based on preset values Resources I O port A maximum of 36 ports available including four for higher current outputs 18 bit time base counter Watchdog timer Clock timer 1 channel 8 16 bit PPG timer 8 bit 4 channel or 16 bit 2 channel 16 bit reload timer 2 channels 16 bit I O timer 16 bit free runni...

Страница 3: ... dual operation flash memory allow rewrites by executing programs on flash memory thereby eliminating the need to transfer the programs to RAM This obviates the need to make provisions against power failures during program execution on RAM and cuts down the program download time as well Flash memory rewrites performed concurrently with system control Fig 3 illustrates the control sequence for rewr...

Страница 4: ...eset factor can be generated This ensures that the flash memories are fully protected against write erase attempts even in the case of program runaway Dual operation flash memory integrated microcontroller substitutes for an external EEPROM Using the dual operation flash memory integrated microcontroller as a substitution for EEPROM offers the following benefits Reduced system board mounting area ...

Страница 5: ...s available development tools Typical Applications The new series is a lineup of 16 bit commodity grade microcontrollers tailor engineered for applications that require high speed real time processing data rewriting or data storage to nonvolatile memory while executing programs on flash memories Each device is incorporated in a compact 48 pin package suitable for system board installation within a...

Страница 6: ... Fall edge activated in response to the input of H and L levels Available external interruption or extended intelligent I O service EI2OS 10 bit A D converter Number of channels 8 Resolution Either 10 bit or 8 bit Conversion time 6 125μs at a machine clock frequency of 16MHz including the sampling time UART SCI Number of channels 2 With full duplex double buffers Transmission available in either s...

Страница 7: ...46 45 44 43 42 41 40 39 38 37 13 14 15 16 17 18 19 20 21 22 23 24 AVSS X1A P36 X0A P35 P33 P32 SIN0 P31 SCK0 P30 SOT0 P44 RX P43 TX P42 SOT1 P41 SCK1 P40 SIN1 P21 TOT0 P22 TIN1 P23 TOT1 P24 INT4 P25 INT5 P26 INT6 P27 INT7 MD2 MD1 MD0 RST V CC 1 2 3 4 5 6 7 8 9 10 11 12 Figure 6 Pin Assignments Hardware Main unit MB2141A Software SOFTUNE V3 Workbench SOFTUNE V3 C Compiler SOFTUNE V3 Assembler SOFTU...

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