INTEGRATED

CIRCUITS INC.

VOICE OTP MODULE

Ver1.1

5

6. Input & Output Data

Instruction Format

Code

Cycle

Bytes

Instruction Description

INPUT PA, Rn ﹔

80

1

2

Set Data Port A to Rn.( Rn

PA)

INPUT PB, Rn ﹔

81

1

2

Set Data Port B to Rn. ( Rn

PB)

INPUT PC, Rn ﹔

82

1

2

Set Data Port C to Rn. ( Rn

PC)

OUT PA, Rn ﹔

88

1

2

Set the value of Rn to Data Port A. (PA Rn)

OUT PB, Rn ﹔

89

1

2

Set the value of Rn to Data Port B. (PB Rn)

OUT PC, Rn ﹔

8A

1

2

Set the value of Rn to Data Port C. (PC Rn)

OUT PD, Rn ﹔

8B

1

2

Set the value of Rn to Data Port D. (PD Rn)

OUT PE, Rn ﹔

8C

1

2

Set the value of Rn to Data Port E. (PE Rn)

PS :

(1). PA , PB , PC , PD , PE is Data Port A , B, C, D, E, Reference D. Data Port to get more description.

7. System Control

Instruction Format

Code

Cycle

Bytes

Instruction Description

CLINTR ﹔

C8

1

1

Clear Interrupt Signal

INTRE ﹔

C9

1

1

Make system can receive interrupt signal.

SHUTDN ﹔

CA

1

1

System shutdown.

PS : (1). Before executiving SHUTDN Instruction, be sure to executive INTRE Instruction first to assure system

can be restarted after shutdown.

B. Sound Processor

Sound Processor of API4000M use 4 bits ADPCM construction, it has 4 Sound Channel can play music

mixed by 4 different type sound.Sample Rate of Sound is during 4KHz ~ 32Khz, each Channel can has different

Sample Rate.Each Channel has 2 group Address Register for Sound Data, each group Address Register has a Start

Address Register and a End Address Register for Sound Data. Each Sound Channel can be Controlled by

Instruction PLAYSP, or Controlled by Melody Processor.Before Play Sound, Address of Sound Data must be set

first. The following is the description about setting with Channel, Address, and Sample Rate.

1. Channel :

Cn is the no. of Channel in Instruction LDSPADB, LDSPADF, and PLAYSP. Each Channel has A and B

2 group, A and B can’t play together. The folloeing is the Table.

Table B.1

Channel

CH1

CH2

CH3

CH4

Group

A

B

A

B

A

B

A

B

Cn

C1A

C1B

C2A

C2B

C3A

C3B

C4A

C4B