参数资料
型号: MC56F8155VFGE
厂商: Freescale Semiconductor
文件页数: 170/172页
文件大小: 0K
描述: IC DSP 16BIT 40MHZ 128-LQFP
标准包装: 72
系列: 56F8xxx
核心处理器: 56800E
芯体尺寸: 16-位
速度: 40MHz
连通性: EBI/EMI,SCI,SPI
外围设备: POR,PWM,WDT
输入/输出数: 49
程序存储器容量: 256KB(128K x 16)
程序存储器类型: 闪存
RAM 容量: 8K x 16
电压 - 电源 (Vcc/Vdd): 2.25 V ~ 3.6 V
数据转换器: A/D 16x12b
振荡器型: 外部
工作温度: -40°C ~ 105°C
封装/外壳: 128-LQFP
包装: 托盘
Register Descriptions
56F8355 Technical Data, Rev. 17
Freescale Semiconductor
97
Preliminary
5.6.14
Fast Interrupt 0 Vector Address High Register (FIVAH0)
Figure 5-16 Fast Interrupt 0 Vector Address High Register (FIVAH0)
5.6.14.1
Reserved—Bits 15–5
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
5.6.14.2
Fast Interrupt 0 Vector Address High (FIVAH0)—Bits 4–0
The upper five bits of the vector address are used for Fast Interrupt 0. This register is combined with
FIVAL0 to form the 21-bit vector address for Fast Interrupt 0 defined in the FIM0 register.
5.6.15
Fast Interrupt 1 Match Register (FIM1)
Figure 5-17 Fast Interrupt 1 Match Register (FIM1)
5.6.15.1
Reserved—Bits 15–7
This bit field is reserved or not implemented. It is read as 0, but cannot be modified by writing.
5.6.15.2
Fast Interrupt 1 Vector Number (FAST INTERRUPT 1)—Bits 6–0
This value determines which IRQ will be a Fast Interrupt 1. Fast interrupts vector directly to a service
routine based on values in the Fast Interrupt Vector Address registers without having to go to a jump table
first; see Part 5.3.3. IRQs used as fast interrupts must be set to priority level 2. Unexpected results will
occur if a fast interrupt vector is set to any other priority. Fast interrupts automatically become the
highest-priority level 2 interrupt, regardless of their location in the interrupt table, prior to being declared
as fast interrupt. Fast interrupt 0 has priority over Fast Interrupt 1. To determine the vector number of each
IRQ, refer to Table 4-5.
Base + $D
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
FAST INTERRUPT 0
VECTOR ADDRESS HIGH
Write
RESET
00000
0000000
0000
Base + $E
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
FAST INTERRUPT 1
Write
RESET
00000
0000000
0000
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