參數資料
型號： MC56F8146VFVE
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 數字信號處理
英文描述： 16-BIT, 120 MHz, OTHER DSP, PQFP144
封裝： ROHS COMPLIANT, LQFP-144
文件頁數： 160/178頁
文件大?。?/td> 880K
代理商： MC56F8146VFVE
56F8346 Technical Data, Rev. 15
82
Freescale Semiconductor
Preliminary
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.
5.6 Register Descriptions
A register address is the sum of a base address and an address offset. The base address is defined at the
system level and the address offset is defined at the module level. The ITCN peripheral has 24 registers.
Table 5-3 ITCN Register Summary
(ITCN_BASE = $00F1A0)
Register
Acronym
Base Address +
Register Name
Section Location
IPR0
$0
Interrupt Priority Register 0
IPR1
$1
Interrupt Priority Register 1
IPR2
$2
Interrupt Priority Register 2
IPR3
$3
Interrupt Priority Register 3
IPR4
$4
Interrupt Priority Register 4
IPR5
$5
Interrupt Priority Register 5
IPR6
$6
Interrupt Priority Register 6
IPR7
$7
Interrupt Priority Register 7
IPR8
$8
Interrupt Priority Register 8
IPR9
$9
Interrupt Priority Register 9
VBA
$A
Vector Base Address Register
FIM0
$B
Fast Interrupt 0 Match Register
FIVAL0
$C
Fast Interrupt 0 Vector Address Low Register
FIVAH0
$D
Fast Interrupt 0 Vector Address High Register
FIM1
$E
Fast Interrupt 1 Match Register
FIVAL1
$F
Fast Interrupt 1 Vector Address Low Register
FIVAH1
$10
Fast Interrupt 1 Vector Address High Register
IRQP0
$11
IRQ Pending Register 0
IRQP1
$12
IRQ Pending Register 1
相關PDF資料
PDF描述
MC56F8146VFV 16-BIT, 120 MHz, OTHER DSP, PQFP144
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相關代理商/技術參數
參數描述
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