MC68HC11E0CFNE2 Datasheet, PDF(192/242 Page) Freescale Semiconductor, Inc – M68HC11 CPU, Power-saving stop and wait modes, Low-voltage devices available (3.0–5.5 Vdc)

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MC68HC11E0CFNE2 Datasheet, PDF (192/242 Pages) Freescale Semiconductor, Inc – M68HC11 CPU, Power-saving stop and wait modes, Low-voltage devices available (3.0–5.5 Vdc)

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MCU [2 . . . 52]

VCC

VCC

VCC

VCC

VCC

1

1

1

VCC

J2

1

3

2

C7

C8

1 ÂµF

0.1 ÂµF

R4

47 K MCU43 (PE0)

U3

25 VDD

MCU 34

MCU 33

MCU 32

MCU 31

MCU 30

MCU 29

MCU 28

MCU 27

34

33

32

31

30

29

28

27

PA0/IC3

PA1/IC2

PA2/IC1

PA3/OC5

PA4/OC4

PA5/OC3

PA6/OC2

PA7/OC1

MCU 20

MCU 21

MCU 22

MCU 23

MCU 24

MCU 25

20

21

22

23

24

25

PD0/RXD

PD1/TXD

PD2/MISO

PD3/MOSI

PD4/SCK

PD5/SS

PB0/A8

PB1/A9

PB2/A10

PB3/A11

PB4/A12

PB5/A13

PB6/A14

PB7/A15

42

41

40

39

38

37

36

35

PC0/AD0

PC1/AD1

PC2/AD2

PC3/AD3

PC4/AD4

PC5/AD5

PC6/AD6

PC7/AD7

9

10

11

12

13

14

15

16

MCU42

MCU41

MCU40

MCU39

MCU38

MCU37

MCU36

MCU35

MCU9

MCU10

MCU11

MCU12

MCU13

MCU14

MCU15

MCU16

MCU18 (XIRQ)

MCU31 (PA3/OC5)

RN1D RN1C RN1B R1

47 K 47 K 47 K 47 K

5

4

3

1

J7

2

MCU19 (IRQ)

MCU3 (MODA/LIR)

VCC

R3

1K

MCU52 (VRH)

C9

0.1 ÂµF

GND

MASTER RESET VCC

VCC

U2

2

3

INPUT

RESET

1

GND

MC34064P

1

RN1A

47 K

2 MCU17 (RESET)

SW1

MCU 43

MCU 45

MCU 47

MCU 49

MCU 44

MCU 46

MCU 48

MCU 50

43

45

47

49

44

46

48

50

PE0

PE1

PE2

PE3

PE4

PE5

PE6

PE7

MCU 52

MCU 51

52

51

1

VRH

VRL

VSS

E

STRB/R/W

STRA/AS

RESET

IRQ

XIRQ

MODA/LIR

MODB/VSTBY

5

6

4

17

19

18

3

2

MCU5

MCU6

MCU4

MCU17

MCU19

MCU18

MCU3

MCU2

7

EXTAL

XTAL 8

R2

MCU2 (MODB/VSTBY)

J6

MCU8 2

1

J5

MCU7 2

1

MC68HC11E9FN

10 M

2

2

J4

J3

1

1

NOTE 1

CONNECTOR DB25 P2

13

25

12

24

VCC

X1

8 MHz

NOTE 2

USERâS TERMINAL OR PC

11

23

10

22

MCU21 (PD1/TXD)

MCU20 (PD0/RXD)

NOTE 1

J9

2

1

J8

1

2

NOTE 1

1

RN1E

47 K

6

C6

27 pF

C5

27 pF

C12

+

+

C10

VCC

NC

VCC

VCC

C14

10 ÂµF

U4 20 V +

20

18

1

C1+

C1â

3

C2+

C2â

15

16

13

14

11

12

19

DI1

DD1

DI2

DD2

DI3

DD3

VCC

VDD 17

VSS 4

TX1 6

RX1

5

8

TX2

RX2

TX3

7

10

RX3

GND

9

2

C13

+

9

21

DCD

8

DTR

20

7

19

DSR

6

18

5

17

CTS

4

J15

16

2

1 TXD â 3

15

NOTE 1

RXD â 2

14

1

C11 MC145407

Notes:

0.1 ÂµF

1. Default cut traces installed from factory on bottom of the board.

2. X1 is shipped as a ceramic resonator with built-in capacitors. Holes are provided for a crystal and two capacitors.

Figure B-1. EVBU Schematic Diagram

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