參數(shù)資料
型號: MC56F8345VFGE
廠商: Freescale Semiconductor
文件頁數(shù): 147/172頁
文件大?。?/td> 0K
描述: IC DSP 16BIT 60MHZ 128-LQFP
標(biāo)準(zhǔn)包裝: 72
系列: 56F8xxx
核心處理器: 56800E
芯體尺寸: 16-位
速度: 60MHz
連通性: CAN,EBI/EMI,SCI,SPI
外圍設(shè)備: POR,PWM,溫度傳感器,WDT
輸入/輸出數(shù): 49
程序存儲器容量: 136KB(68K x 16)
程序存儲器類型: 閃存
RAM 容量: 6K x 16
電壓 - 電源 (Vcc/Vdd): 2.25 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 16x12b
振蕩器型: 外部
工作溫度: -40°C ~ 105°C
封裝/外殼: 128-LQFP
包裝: 托盤
配用: MC56F8367EVME-ND - EVAL BOARD FOR MC56F83X
56F8345 Technical Data, Rev. 17
76
Freescale Semiconductor
Preliminary
5.4 Block Diagram
Figure 5-1 Interrupt Controller Block Diagram
5.5 Operating Modes
The ITCN module design contains two major modes of operation:
Functional Mode
The ITCN is in this mode by default.
Wait and Stop Modes
During Wait and Stop modes, the system clocks and the 56800E core are turned off. The ITCN will signal
a pending IRQ to the System Integration Module (SIM) to restart the clocks and service the IRQ. An IRQ
can only wake up the core if the IRQ is enabled prior to entering the Wait or Stop mode. Also, the IRQA
and IRQB signals automatically become low-level sensitive in these modes, even if the control register bits
are set to make them falling-edge sensitive. This is because there is no clock available to detect the falling
edge.
A peripheral which requires a clock to generate interrupts will not be able to generate interrupts during Stop
mode. The FlexCAN module can wake the device from Stop mode, and a reset will do just that, or IRQA
and IRQB can wake it up.
Priority
Level
2 -> 4
Decode
INT1
Priority
Level
2 -> 4
Decode
INT82
Level 0
82 -> 7
Priority
Encoder
any0
Level 3
82 -> 7
Priority
Encoder
any3
INT
VAB
IPIC
CONTROL
7
PIC_EN
IACK
SR[9:8]
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