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ST2202 Datasheet(PDF) 56 Page - List of Unclassifed Manufacturers

Part # ST2202
Description  8 BIT Integrated Microcontroller with 256K Bytes ROM
PDF  65 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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ST2202 Datasheet(HTML) 56 Page - List of Unclassifed Manufacturers

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Sitronix
ST2202
Ver 2.0a
56/65
2003-May-05
19.2 DMA Programming Flow
(DMSH,L) := DMA Source address
(DMDH,L) := DMA Destination address
DCNTH := Number of Bytes
DMA Start
CPU hold
DMR := DMA Memory bank register
DCNTL := Number of Bytes
FIGURE 19-2 DMA Programming Flow
19.3 Example Program 1:
This program fills “00” to address $1000~$12FF.
STZ
$1000
;; “00” to $1000
STZ
<DMSL
LDA
#$10
STA
<DMSH
;; source = $1000
STA
<DMDH
LDA
#$01
STA
<DMDL
;; destination = $1001
LDA
#$02
STA
<DCNTH
LDA
#$FE
STA
<DCNTL
;; move $2FF bytes
:
:



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