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參數(shù)資料
| 型號： | UPD77210 |
| 廠商： | NEC Corp. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSOR |
| 中文描述： | 16位定點數(shù)字信號處理器 |
| 文件頁數(shù)： | 33/74頁 |
| 文件大?。?/td> | 467K |
| 代理商： | UPD77210 |
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Data Sheet U15203EJ3V0DS
33
μ
PD77210, 77213
7.1.2 Interrupt vector table
Addresses 0x200 to 0x23F of the instruction memory are assigned to entry points (vectors) of interrupts. Four
instruction addresses are assigned to each interrupt source.
Four interrupt sources are assigned to each interrupt vector. There are 12 vectors. By identifying the source in
the vector, the
μ
PD77210 can use 38 interrupt sources and
μ
PD77213 can use 42 interrupt sources.
Each of these interrupt sources can be masked by using the interrupt control register (ICR0 to ICR11).
Interrupt Source
Vector
0
1
2
3
0x200
Reset
Reserved
Reserved
Reserved
0x204
Reserved
Reserved
Reserved
Reserved
0x208
Reserved
Reserved
Reserved
Reserved
0x20C
Reserved
Reserved
Reserved
Reserved
0x210
INT00
INT01
INT02
INT03
0x214
INT10
INT11
INT12
INT13
0x218
INT20
INT21
INT22
INT23
0x21C
INT30
INT31
INT32
INT33
0x220
TSI input
TSIEN
PMT ch0
(TSI input)
SDCR input
Note
0x224
TSO output
TSOEN
PMT ch1
(TSO output)
SDCR output
Note
0x228
ASI input
ASIEN
PMT ch2
(ASI input)
SDDAT input
Note
(busy release)
0x22C
ASO output
ASOEN
PMT ch3
(ASO output)
SDDAT output
Note
0x230
HI input
HWR
PMT ch4
(HI input)
Reserved
0x234
HO output
HRD
PMT ch5
(HO output)
Reserved
0x238
TIMER ch0
TIMER ch1
PMT ch6
(MI input)
Reserved
0x23C
TIMER ch1
TIMER ch0
PMT ch7
(MO output)
Reserved
Note
These interrupt sources are for the
μ
PD77213 only. When using the
μ
PD77210, they are reserved.
Cautions 1. Reset is not an interrupt but is used as an entry of a vector.
2. It is recommended that the vector of an interrupt source that is not used branch to an
abnormality processing routine.
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