Preliminary

SNC759

16-bit Voice Processor

Ver. 1.5

March 7, 2007

4

Low Voltage Reset

Low Voltage Detect

Sampling Rate: 8KHz ~16KHz

Built-in software voice synthesizer (multiple bit-rate solution 1.5Kbps, 1.72Kbps, 2Kbps,

2.4Kbps, 3Kbps, 4Kbps, 5Kbps, 6Kbps, 8Kbps, 16Kbps, 20Kbps, 24Kbps, 28Kbps,

32Kbps, 35Kbps @ 8K, 10K, 12K, 14K, 16K sampling rate)

Built-in software melody synthesizer includes the dual-tone melody and 12-channel

wave-table melody.

3. PIN ASSIGNMENT

Pin No.

Symbol

I/O

Descriptions

1

Test

I

Test Pin for testing using

2

VSSIO2

I

Negative power supply

3

CVSS

I

Negative power supply for core circuit

4

RST

I

Chip reset

5

CKSEL

I

Crystal/RC-type oscillator select for high speed clock

6

VDDIO2

I

Positive power supply

7

CVDD

I

Positive power supply for core circuit

8

REGOUT

O

Regulator voltage output

9

VSSA

I

Negative power supply

10

XIN

I

High speed clock crystal input

11

XOUT

O

High speed clock crystal output

12

LXIN

I

Low speed clock crystal input

13

LXOUT

O

Low speed clock crystal output

14

VDDA

I

Positive power supply

15

P0.0

I/O

I/O Port 0

16

P0.1

I/O

I/O Port 0

17

P0.2

I/O

I/O Port 0

18

P0.3

I/O

I/O Port 0

19

VSSIO0

I

Negative power supply

20

P0.4

I/O

I/O Port 0

21

P0.5

I/O

I/O Port 0

22

P0.6

I/O

I/O Port 0

23

P0.7

I/O

I/O Port 0

24

VDDIO0

I

Positive power supply

25

P0.8

I/O

I/O Port 0

26

P0.9

I/O

I/O Port 0

27

P0.10

I/O

I/O Port 0

28

P0.11

I/O

I/O Port 0

29

VSSIO0

I

Negative power supply