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TMP93CS44 数据表(PDF) 49 Page - Toshiba Semiconductor

部件名 TMP93CS44
功能描述  CMOS 16-Bit Microcontroller
PDF  224 Pages
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制造商  TOSHIBA [Toshiba Semiconductor]
网页  http://www.semicon.toshiba.co.jp/eng
标志 TOSHIBA - Toshiba Semiconductor

TMP93CS44 数据表(HTML) 49 Page - Toshiba Semiconductor

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TMP93CS44/S45
2004-02-10
93CS44-47
(3) Micro DMA start vector
When the CPU reads the interrupt vector after accepting an interrupt, it
simultaneously compares the interrupt vector (Bits 2 to 6 of the interrupt vector) with
each channel’s micro DMA start vector. When the two match, the interrupt from the
channel whose value matched is processed in micro DMA mode.
If the interrupt vector matches more than one channel, the channel with the lower
channel number has a higher priority.
Micro DMA0 Start Vector
7
6
5
4
3
2
1
0
Bit symbol
DMA0V4
DMA0V3
DMA0V2
DMA0V1
DMA0V0
DMA0V
(007CH)
Read/Write
W
After reset
0
0
0
0
0
Function
Micro DMA channel 0 processed by matching bits 2 to 6 of the interrupt vector.
Prohibit
read-
modify-
write
Micro DMA1 Start Vector
7
6
5
4
3
2
1
0
Bit symbol
DMA1V4
DMA1V3
DMA1V2
DMA1V1
DMA1V0
DMA1V
(007DH)
Read/Write
W
After reset
0
0
0
0
0
Function
Micro DMA channel 1 processed by matching bits 2 to 6 of the interrupt vector.
Prohibit
read-
modify-
write
Micro DMA2 Start Vector
7
6
5
4
3
2
1
0
Bit symbol
DMA2V4
DMA2V3
DMA2V2
DMA2V1
DMA2V0
DMA2V
(007EH)
Read/Write
W
After reset
0
0
0
0
0
Function
Micro DMA channel 2 processed by matching bits 2 to 6 of the interrupt vector.
Prohibit
read-
modify-
write
Micro DMA3 Start Vector
7
6
5
4
3
2
1
0
Bit symbol
DMA3V4
DMA3V3
DMA3V2
DMA3V1
DMA3V0
DMA3V
(007FH)
Read/Write
W
After reset
0
0
0
0
0
Function
Micro DMA channel 3 processed by matching bits 2 to 6 of the interrupt vector.
Prohibit
read-
modify-
write
Figure 3.4.7 Micro DMA Start Vector Register



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