參數(shù)資料
型號: MC56F8014MFAE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號處理
英文描述: 0-BIT, 8 MHz, OTHER DSP, PQFP32
封裝: ROHS COMPLIANT, PLASTIC, LQFP-32
文件頁數(shù): 104/124頁
文件大?。?/td> 1681K
代理商: MC56F8014MFAE
56F8014 Technical Data, Rev. 11
80
Freescale Semiconductor
Figure 6-15 Sources of RESET Functional Diagram (Test modes not included)
POR resets are extended 64 MSTR_OSC clocks to stabilize the power supply. All resets are subsequently
extended for an additional 32 MSTR_OSC clocks and 64 system clocks as the various internal reset
controls are released. Given the normal relaxation oscillator rate of 8MHz, the duration of a POR reset
from when power comes on to when code is running is 28
μS. An external reset generation chip may also
be used. Resets may be asserted asynchronously, but they are always released internally on a rising edge
of the system clock.
EXTENDED_POR
JTAG
Memory
Subsystem
Peripherals
56800E
CORE_RST
Delay 32
sys clocks
OCCS
CLKGEN_RST
PERIP_RST
Delay 32
sys clocks
pulse shaper
SW Reset
pulse shaper
Delay 32
MSTR_OSC
Clocks
pulse shaper
POR
Power-On
Reset
(active
low)
External
RESET IN
(active
low)
COP
(active
low)
RESET
Delay 64
MSTR_OSC
Clocks
Delay blocks assert immediately and
deassert only after the programmed
number of clock cycles.
COMBINED_RST
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