參數(shù)資料
型號: R8820LV
廠商: Electronic Theatre Controls, Inc.
英文描述: 16-BIT RISC MICROCONTROLLER
中文描述: 16位RISC微控制器
文件頁數(shù): 50/98頁
文件大小: 1000K
代理商: R8820LV
R DC
RISC DSP Controller
R8820LV
RDC Semiconductor Co.
Rev:1.0
Subject to change without notice
50
Priority
(High) 0
1
2
3
4
5
6
(Low) 7
PR2-PR0
000
001
010
011
100
101
110
111
(Slave Mode)
Determining the minimum priority level at which maskable interrupts can generate an interrupt.
Bit 15-3 :
Reserved.
Bit 2-0 : PRM2-PRM0
, Priority Field Mask. Determining the minimum priority that is required in order for a maskable
interrupt source to generate an interrupt.
Priority
(High) 0
1
2
3
4
5
6
(Low) 7
PR2-PR0
000
001
010
011
100
101
110
111
(Master Mode)
Bit 15-11 :
Reserved.
Bit 10 : SP0
, Serial Port 0 Interrupt Mask. The state of the mask bit of the asynchronous serial port 0 interrupt.
Bit 9 : SP1
, Serial Port 1 Interrupt Mask. The state of the mask bit of the asynchronous serial port 1 interrupt.
Bit 8-4 : I4-I0
, Interrupt Masks. Indicates the state of the mask bit of the corresponding interrupt.
Bit 3-2 : D1/I6-D0/I5
, DMA Channel or INT Interrupt Masks.
Indicates the state of the mask bit of the corresponding DMA Channel or INT interrupt.
Bit 1:
Reserved.
Bit 0 : TMR
, Timer Interrupt Mask. The state of the mask bit of the timer control unit .
Interrupt Mask Register
Offset : 28h
Reset Value : 07FDh
2
3
0
1
4
5
6
7
8
9
10
11
12
13
14
15
D0/I5
Res
TMR
D1/I6
I0
I1
I2
I3
I4
SP1
SP0
Reserved
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