參數資料
型號: MC56F8122VFAE
廠商: Freescale Semiconductor
文件頁數: 92/136頁
文件大?。?/td> 0K
描述: IC DSP 16BIT 40MHZ 48-LQFP
標準包裝: 250
系列: 56F8xxx
核心處理器: 56800E
芯體尺寸: 16-位
速度: 40MHz
連通性: SCI,SPI
外圍設備: POR,WDT
輸入/輸出數: 21
程序存儲器容量: 32KB(16K x 16)
程序存儲器類型: 閃存
RAM 容量: 4K x 16
電壓 - 電源 (Vcc/Vdd): 2.25 V ~ 3.6 V
數據轉換器: A/D 6x12b
振蕩器型: 內部
工作溫度: -40°C ~ 105°C
封裝/外殼: 48-LQFP
包裝: 托盤
產品目錄頁面: 734 (CN2011-ZH PDF)
Register Descriptions
56F8322 Technical Data, Rev. 16
Freescale Semiconductor
59
Preliminary
5.6.1
Interrupt Priority Register 0 (IPR0)
Figure 5-3 Interrupt Priority Register 0 (IPR0)
5.6.1.1
Reserved—Bits 15–14
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
5.6.1.2
EOnCE Breakpoint Unit 0 Interrupt Priority Level (BKPT_U0 IPL)—
Bits13–12
This field is used to set the interrupt priority levels for IRQs. This IRQ is limited to priorities 1 through 3.
It is disabled by default.
00 = IRQ disabled (default)
01 = IRQ is priority level 1
10 = IRQ is priority level 2
11 = IRQ is priority level 3
5.6.1.3
EOnCE Step Counter Interrupt Priority Level (STPCNT IPL)—
Bits 11–10
This field is used to set the interrupt priority level for IRQs. This IRQ is limited to priorities 1 through 3.
It is disabled by default.
00 = IRQ disabled (default)
01 = IRQ is priority level 1
10 = IRQ is priority level 2
11 = IRQ is priority level 3
5.6.1.4
Reserved—Bits 9–0
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
5.6.2
Interrupt Priority Register 1 (IPR1)
Figure 5-4 Interrupt Priority Register 1 (IPR1)
Base + $0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
BKPT_U0IPL
STPCNT IPL
0
Write
RESET
0
000
Base + $1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
RX_REG IPL
TX_REG IPL
TRBUF IPL
Write
RESET
0
000000
00
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