參數(shù)資料
型號： MC56F8011VFAE
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, LQFP-32
文件頁數(shù)： 92/125頁
文件大小： 1702K
代理商： MC56F8011VFAE
Register Descriptions
56F8013/56F8011 Data Sheet, Rev. 11
Freescale Semiconductor
69
6.3.1.11
Stop Disable (STOP_DISABLE[1:0])—Bits 3–2
00 = Stop mode will be entered when the 56800E core executes a STOP instruction
01 = The 56800E STOP instruction will not cause entry into Stop mode
10 = Stop mode will be entered when the 56800E core executes a STOP instruction and the
STOP_DISABLE field is write-protected until the next reset
11 = The 56800E STOP instruction will not cause entry into Stop mode and the STOP_DISABLE field is
write-protected until the next reset
6.3.1.12
Wait Disable (WAIT_DISABLE[1:0])—Bits 1–0
00 = Wait mode will be entered when the 56800E core executes a WAIT instruction
01 = The 56800E WAIT instruction will not cause entry into Wait mode
10 = Wait mode will be entered when the 56800E core executes a WAIT instruction and the
WAIT_DISABLE field is write-protected until the next reset
11 = The 56800E WAIT instruction will not cause entry into Wait mode and the WAIT_DISABLE field is
write-protected until the next reset
6.3.2
SIM Reset Status Register (SIM_RSTAT)
This register is updated upon any system reset and indicates the cause of the most recent reset. It also
controls whether the COP reset vector or regular reset vector in the vector table is used. This register is
asynchronously reset during Power-On Reset (see power supervisor module) and subsequently is
synchronously updated based on the level of the external reset, software reset, or cop reset inputs. Only
one source will ever be indicated. In the event that multiple reset sources assert simultaneously, the
highest-precedence source will be indicated. The precedence from highest to lowest is POR, EXTR,
COPR, and SWR. While POR is always set during a Power-On Reset, EXTR will become set if the
external reset pin is asserted or remains asserted after the Power-On Reset (POR) has deasserted.
Figure 6-3 SIM Reset Status Register (SIM_RSTAT)
6.3.2.1
Reserved—Bits 15–6
This bit field is reserved or not implemented. It is read as zero and cannot be modified by writing.
6.3.2.2
Software Reset (SWR)—Bit 5
When set, this bit indicates that the previous system reset occurred as a result of a software reset (written
1 to SWRST bit in the SIM_CTRL register). It will not be set if a COP, external, or POR reset also
occurred.
6.3.2.3
COP Reset (COPR)—Bit 4
When set, this bit indicates that the previous system reset was caused by the Computer Operating Properly
Base + $1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
SWR
COPR
EXTR
POR
0
Write
RESET
0
00
0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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