SPC122A View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

SPC122A

SOUND CONTROLLER WITH 128KB FLASH MEMORY

Unspecified 

Preliminary

SPC122A

PIN DESCRIPTIONS*

Mnemonic PIN No.

VDD

5

29

34

45

57

VSS

17

27

50

66

XI

32

XO

OPT*

BURN

CE

ROMOE

SPOP

A17

RESET

TEST

AUD1

AUD2

D7 – 0

A13 – 0

A16 – 14

31

30

15

16

14

18

4

19

36

33

35

6-13

74-60

3-1

IOA0

46

IOA1

47

IOA2

48

IOA3

49

Type

I

I

I

O

I

I

I

I/O

I

O

I

I

O

O

I/O

I/O

I/O

I/O

I/O

I/O

Description

Positive supply for logic and I/O pins

Ground reference for logic and I/O pins

Oscillator crystal input or RESISTOR (Resistor should be connected to

VDD)

Oscillator crystal output

For ROSC option, OPT should be connected to VDD.

Burn, This pin is an active high to select the flash ROM program function

This pin is an active low to select this chip as a 1Mbits memory

Data Output enable

Serial program option

Extended Memory Enable

This pin is an active low reset to the chip.

TEST MODE

AUDIO OUTPUT

Data Bus

Address Bus

Port A is an 8-bit bi-directional programmable Input / Output port with

Pull-high or Open-drain option. As inputs, Port A can be in either the

Pure or Pull-high states. As outputs, Port A can be either Buffer or

Open-drain NMOS types (Sink current).

IOA0: Serial programming clock output

IOA2: Multi-duty cycle output

**See note 1 and 2 below.

Sunplus Technology Co., Ltd.

8

Rev.: 0.3 1999.11.18

Share Link: