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MB90F474LPF Datasheet(PDF) 48 Page - fujitsu semiconductor

Part # MB90F474LPF
Description  16-Bit Proprietary Microcontroller
PDF  118 Pages
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Manufacturer  FUJITSU [fujitsu semiconductor]
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MB90F474LPF Datasheet(HTML) 48 Page - fujitsu semiconductor

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MB90470 Series
48
7.
DTP/External Interrupts
The DTP (Data Transfer Peripheral) is a peripheral block that interfaces external peripherals to the F2MC-16L
CPU. The DTP receives DMA request from external peripherals and passes the requests to the F2MC-16L CPU
to activate the extended
µDMA or interrupt processing.
(1) Register Descriptions
(2) Block Diagram
Interrupt/DTP enable register (ENIR : Enable Interrupt Request Register)
Interrupt/DTP source register (EIRR : External Interrupt Request Register)
Request level setting register (ELVR : External Level Register)
ENIR
Default value
Address : 00000CH
00000000B
EIRR
Default value
Address : 00000DH
00000000B
(note that both
registers relate
to different
interrupts)
Default value
Address : 00000EH
00000000B
Default value
Address : 00000FH
00000000B
76
5
4
3
2
1
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
EN6
EN7
EN5
EN4
EN3
EN2
EN1
EN0
15
14
13
12
11
10
9
8
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
ER6
ER7
ER5
ER4
ER3
ER2
ER1
ER0
76
5
4
3
2
1
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
LA3
LB3
LB2
LA2
LB1
LA1
LB0
LA0
15
14
13
12
11
10
9
8
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
LA7
LB7
LB6
LA6
LB5
LA5
LB4
LA4
4
Interrupt/DTP enable register
Interrupt/DTP source register
Interrupt level setting register
F2MC-16 bus
4
4
8
4
Gate
Source F/F
Edge detection circuit
Request input



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