General Description

Signal Description

1.5 Signal Description

The MC68HC05RC16 is available in

1.28-pin dual-in-line package (DIP) see Figure 1-2

2.28-pin small outline integrated circuit (SOIC) package see Figure 1-3

3.44-pin plastic leaded chip carrier (PLCC) package see Figure 1-4

The signals are described in the following subsections.

PB0

 

1

28

 

 

OSC1

 

 

 

PB1

 

2

27

 

 

OSC2

 

 

PB2

 

3

26

 

 

VDD

 

 

 

PB3

 

4

25

 

 

 

 

 

 

 

IRQ

 

 

PB4

 

5

24

 

 

 

 

 

 

 

 

RESET

PB5

 

6

23

 

 

IRO

 

 

 

PB6

 

7

22

 

VSS

 

 

PB7

 

8

21

 

 

 

 

 

 

 

 

LPRST

 

PA0

 

9

20

 

 

PC3

 

 

 

PA1

 

10

19

 

 

PC2

 

 

 

PA2

 

11

18

 

 

PC1

 

 

 

PA3

 

12

17

 

 

PC0

 

 

 

PA4

 

13

16

 

 

PA7

 

 

 

PA5

 

14

15

 

 

PA6

 

 

 

 

 

 

 

 

 

 

 

Figure 1-2. 28-Pin DIP Pinout

MC68HC05RC16 — Rev. 3.0

 

General Release Specification

 

 

 

MOTOROLA

General Description

21