COP884BC Datasheet, PDF(3/57 Page) National Semiconductor (TI) – 8-Bit CMOS ROM Based Microcontrollers with 2k Memory, Comparators, and CAN Interface

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COP884BC Datasheet, PDF (3/57 Pages) National Semiconductor (TI) – 8-Bit CMOS ROM Based Microcontrollers with 2k Memory, Comparators, and CAN Interface

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Connection Diagrams

DS012067-2

Top View

Order Number COP884BC-xxx/WM or

COP684BC-xxx/WM

See NS Package Number M28B

DS012067-76

Top View

Order Number COP885BC-xxx/WM or

COP685BC-xxx/WM

See NS Package Number M20B

FIGURE 2. Connection Diagrams

Pinouts for 28-SO Package

Port

Pin

G0

G1

G2

G3

G4

G5

G6

G7

L0

L1

L2

L3

L4

L5

L6

Type

Alt. Function

20-Pin 28-Pin

SO SO

I/O INTR

17 25

I/O

18 26

I/O T1B

19 27

I/O T1A

20 28

I/O SO

1

1

I/O SK

2

2

I SI

3

3

I CKO

4

4

I/O CMP1IN+/MIWU

7

I/O CMP1INâ/MIWU

8

I/O CMP10UT/MIWU

9

I/O CMP2INâ/MIWU

10

I/O CMP2IN+/MIWU

7

11

I/O CMP2INâ/PWM1/MIWU 8

12

I/O CMP2OUT/PWM0/

CAPTIN/MIWU

13

9

D0

O

D1

O

D2

O

D3

O

CAN VREF

CAN Tx0 O

CAN Tx1 O

CAN Rx0 I MIWU (Note 1)

CAN Rx1 I MIWU

VCC

GND

CKI

I

RESET I

19

20

21

22

14 18

11 15

10 14

13 17

12 16

6

6

15 23

5

5

16 24

Note 1: The MIWU function for the CAN interface is internal (see CAN inter-

face block diagram)

3

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