M65761FP Просмотр технического описания (PDF) - MITSUBISHI ELECTRIC

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производитель

M65761FP

QM-CODER

MITSUBISHI ELECTRIC  

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Process start command

(Temporary stop command)

Set up interrupt enable

MITSUBISHI ICs (LSI)

M65761FP

QM-CODER

CMD_REG: 0 0 0 0 1 0 1 0

;Command to restart processing which stopped

temporarily (Coding/decoding)

IENB_REG: 0 0 0 0 0 0 0 1 ;Processing end interrupt enable

[Coding and decoding are performed during this time] – – – I/O of image data and code data is performed.

Note:During the above processing the following is true.

During coding,

(The number of lines of the input image data) = (Number of lines set in the line number setting register)

During decoding,

(Number of lines of the output image data) = ( Number of lines set in the line number setting register)

(Interrupt is generated)

Interrupt disable is set up

d7

d0

IENB_REG: 0 0 0 0 0 0 0 0 ;Interrupt disable

Status register is read out

(Check end of processing)

STAT_REG: – – – s – m – j

;j=End of processing

;m=Marker detection

;s=SC counter overflow

j=1?

Y

N

(Error)

Decoded?

N (Coded)

Y (Decoded)

m=1?

N (Marker not yet detected)

(Error)

Y (Marker detected)

Marker code read out

Note:only for decoding

End

MDET_REG:

s=0?

Y

End

N (SC counter overflow)

(Error)

mdet

;mdet=marker code read out

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