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56F8345 参数 Datasheet PDF下载

56F8345图片预览
型号: 56F8345
PDF下载: 下载PDF文件 查看货源
内容描述: 16位数字信号控制器 [16-bit Digital Signal Controllers]
分类和应用: 控制器
文件页数/大小: 164 页 / 2236 K
品牌: FREESCALE [ Freescale ]
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5.6.6.6  
SCI 1 Transmitter Idle Interrupt Priority Level (SCI1_TIDL IPL)—  
Bits 5–4  
This field is used to set the interrupt priority level for IRQs. This IRQ is limited to priorities 0 through 2.  
They are disabled by default.  
00 = IRQ disabled (default)  
01 = IRQ is priority level 0  
10 = IRQ is priority level 1  
11 = IRQ is priority level 2  
5.6.6.7  
SCI 1 Transmitter Empty Interrupt Priority Level (SCI1_XMIT IPL)—  
Bits 3–2  
This field is used to set the interrupt priority level for IRQs. This IRQ is limited to priorities 0 through 2.  
They are disabled by default.  
00 = IRQ disabled (default)  
01 = IRQ is priority level 0  
10 = IRQ is priority level 1  
11 = IRQ is priority level 2  
5.6.6.8  
SPI 0 Transmitter Empty Interrupt Priority Level (SPI0_XMIT IPL)—  
Bits 1–0  
This field is used to set the interrupt priority level for IRQs. This IRQ is limited to priorities 0 through 2.  
They are disabled by default.  
00 = IRQ disabled (default)  
01 = IRQ is priority level 0  
10 = IRQ is priority level 1  
11 = IRQ is priority level 2  
5.6.7  
Interrupt Priority Register 6 (IPR6)  
Base + $6  
Read  
15  
14  
13  
12  
11  
10  
9
8
7
6
5
0
4
0
3
2
1
0
TMRC0  
IPL  
TMRD3  
IPL  
TMRD2  
IPL  
TMRD1  
IPL  
TMRD0  
IPL  
DEC0_XIRQ  
IPL  
DEC0_HIRQ  
IPL  
Write  
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
RESET  
Figure 5-9 Interrupt Priority Register 6 (IPR6)  
56F8345 Technical Data, Rev. 17  
88  
Freescale Semiconductor  
Preliminary  
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