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MX93521

ALL DIGITAL VOICE RECORDER MACHINE BASED ON THE MX93521 VOCODER CHIP

Macronix International 

MX93521

6.3 HOST TO MX93521 COMMAND DESCRIPTIONS

COMMAND 09H

FUNCTION:

RETURN:

RETURN:

Move Message Pointer

ACK0

ERR6, IF REACH THE FIRST OR THE LAST MESSAGE IN THE MEMORY

DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

00

0

0

1

0

0

1

DM

M

M

M

M

M

M

IF CURRENT MESSAGE NUMBER IS N,

D=0, JUMP FORWARD

M=001H, POINT TO THE MESSAGE (N+1)

M=002H, POINT TO THE MESSAGE (N+2)

M=07FH, POINT TO THE LAST MESSAGE

D=1, JUMP BACKWARD

M=001H, POINT TO THE MESSAGE (N-1)

M=002H, POINT TO THE MESSAGE (N-2)

M=07FH, POINT TO THE FIRST MESSAGE

COMMAND 0AH DR-V5

FUNCTION:

RETURN:

RETURN:

Point to specefic message

ACK0

ERR2, If no such message found in the FLASH memory

DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

00

0

0

1

0

1

0

MM

M

M

M

M

M

M

MM

M

M

M

M

M

M

Message Number (High Byte)

Message Number (Low Byte)

*The message pointer is point to the last message in the flash memory upon power on.

SAMPLES:

Forward to the next message

Rewind to the previous message

Forward to the last message

Rewind to the the first message

Move Message Pointer to message #258 (102H)

09H

01H

09H

81H

09H

7FH

09H

FFH

0AH

01H

02H

P/N:PM0426

REV. 2.2, JAN 20, 1998

17

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