MC68HC05X4 Datasheet, PDF(21/156 Page) Motorola, Inc – HCMOS Microcontroller Unit

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MC68HC05X4 Datasheet, PDF (21/156 Pages) Motorola, Inc – HCMOS Microcontroller Unit

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Freescale Semiconductor, Inc.

Modes of Operation and Pin Descriptions

Bootloader modes for the MC68HC05X4 and MC68HC705X4

20 MHz

VPP

5

MDS/VPP

3

OSC1

4 OSC2

18 pF

18 pF

VDD

100 kâ¦

0.1 ÂµF

VDD

PROG

390 â¦

VERF

390 â¦

2

RESET

14

VSS

24

PB2

23

PB1

28

PB6

22 PB0

VDD

PA0 6

PA1 7

PA2 8

PA3 9

PA4 10

PA5 11

PA6 12

PA7 13

VDD 15

27

PB5

1

PB7

1

11 D0

12 D1

13 D2

15 D3

16 D4

17 D5

18 D6

19 D7

20 CE

22 OE

VDD 2 A12

27 28

A0 10

A1 9

A2 8

A3 7

A4 6

A5 5

A6 4

A7 3

25

A8

24

A9

A10 21

A11 23

2764

14

EPROM

VDD VDD

MC14040B

Counter

9 Q1

7 Q2

6 Q3

5 Q4

3 Q5

2 Q6

4 Q7

13 Q8

12

Q9

14

Q10

15 Q11

1 Q12

VDD

16

8

RST CLK

11 10

PB3 25

PB4 26

MC68HC705X4

All resistors are 10 kâ¦ unless otherwise specified

PB4 PB3

1

1

1

0

Mode

Program/verify

Verify only

Figure 4. MC68HC705X4 EPROM programming circuit

9-modes

MOTOROLA

Modes of Operation and Pin Descriptions

For More Information On This Product,

Go to: www.freescale.com

MC68HC05X4 Rev 1.0

21

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