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ST7261 数据表(PDF) 21 Page - STMicroelectronics

部件名 ST7261
功能描述  LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, ROM MEMORY, LVD, WDG, TIMER
PDF  80 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7261 数据表(HTML) 21 Page - STMicroelectronics

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INTERRUPTS (Cont’d)
Table 5. Interrupt Mapping
Table 6. Nested Interrupts Register Map and Reset Values
N°
Source
Block
Description
Register
Label
Exit
from
HALT
Address
Vector
Priority
Order
Reset Vector
Yes
FFFEh-FFFFh
Highest
Priority
Lowest
Priority
TRAP software interrupt vector
No
FFFCh-FFFDh
0
NOT USED
FFFAh-FFFBh
1
USB
USB End Suspend interrupt vector
USBISTR
Yes
FFF8h-FFF9h
2
I/O Ports
Port A external interrupts IT[3:1]
ITRFRE1
Yes
FFF6h-FFF7h
3
Port B external interrupts IT[8:5]
Yes
FFF4h-FFF5h
4
NOT USED
FFF2h-FFF3h
5
TBU
Timebase Unit interrupt vector
TBUCSR
No
FFF0h-FFF1h
6
NOT USED
FFEEh-FFEFh
7
NOT USED
FFECh-FFEDh
8
NOT USED
FFEAh-FFEBh
9
USB
USB interrupt vector
USBISTR
No
FFE8h-FFE9h
10
NOT USED
FFE6h-FFE7h
Address
(Hex.)
Register
Label
7654
3210
0032h
ISPR0
Reset Value
Ext. Interrupt Port B
Ext. Interrupt Port A
USB END SUSP
Not Used
I1_3
1
I0_3
1
I1_2
1
I0_2
1
I1_1
1
I0_1
111
0033h
ISPR1
Reset Value
SPI
ART
TBU
Ext. Interrupt Port C
I1_7
1
I0_7
1
I1_6
1
I0_6
1
I1_5
1
I0_5
1
I1_4
1
I0_4
1
0034h
ISPR2
Reset Value
Not Used
ADC
USB
SCI
I1_11
1
I0_11
1
I1_10
1
I0_10
1
I1_9
1
I0_9
1
I1_8
1
I0_8
1
0035h
ISPR3
Reset Value
1111
Not Used
Not Used
I1_13
1
I0_13
1
I1_12
1
I0_12
1



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