SyncMOS Technologies International, Inc.

SM89T16R1

8-Bits Micro-controller

With 64KB Flash ROM & 1KB RAM & Two UART & RTC & ADC & PWM embedded

Specifications subject to change without notice contact your sales representatives for the most recent information.

Ver 2.1 SM89T16R1 08/2006

2

Pin Configuration

Figure 1 44L PQFP Package

PWM0/INT2/P1.4

P3.6/#WE

TXD1/P1.3

P3.7/#RD

RXD1/P1.2

XTAL2

T2EX/P1.1

XTAL1

T2/P1.0

VSS

P4.2

P4.0

VDD

P2.0/A8

AD0/P0.0

P2.1/A9

AD1/P0.1

P2.2/A10

AD2/P0.2

P2.3/A11

AD3/P0.3

P2.4/A12/ADC0

1

23

45678

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

26

25

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

Figure 3 40L PDIP Package

Package Spec.

Package

Pin / PAD

Frequency

44L PQFP

Figure 1

16 MHz at 3.3V and 25MHz at 5V

44L PLCC

Figure 2

16 MHz at 3.3V and 25MHz at 5V

40L PDIP

Figure 3

16 MHz at 3.3V and 25MHz at 5V

Figure 2 44L PLCC Package

PWM1/#INT3/P1.5

P0.4/AD4

INT4/P1.6

P0.5/AD5

#INT5/P1.7

P0.6/AD6

RES

P0.7/AD7

RXD/P3.0

#EA

P4.3

P4.1

TXD/P3.1

ALE/X32OUT

#INT0/P3.2

#PSEN/X32IN

#INT1/P3.3

P2.7/A15/ADC3

T0/P3.4

P2.6/A14/ADC2

T1/P3.5

P2.5/A13/ADC1

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17