参数资料
型号: MC56F8014VFAE
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 数字信号处理
英文描述: 0-BIT, 8 MHz, OTHER DSP, PQFP32
封装: ROHS COMPLIANT, PLASTIC, LQFP-32
文件页数: 90/124页
文件大小: 1681K
代理商: MC56F8014VFAE
56F8014 Technical Data, Rev. 11
68
Freescale Semiconductor
(COP) timer. It will not be set if an external or POR reset also occurred. If COPR is set as code starts
executing, the COP reset vector in the vector table will be used. Otherwise, the normal reset vector is used.
6.3.2.4
External Reset (EXTR)—Bit 3
When set, this bit indicates that the previous system reset was caused by an external reset. It will only be
set if the external reset pin was asserted or remained asserted after the Power-On Reset deasserted.
6.3.2.5
Power-On Reset (POR)—Bit 2
This bit is set during a Power-On Reset.
6.3.2.6
Reserved—Bits 1–0
This bit field is reserved or not implemented. It is read as 0 and cannot be modified by writing.
6.3.3
SIM Software Control Registers (SIM_SWC0, SIM_SWC1,
SIM_SWC2, and SIM_SWC3)
Only SIM_SWC0 is shown in this section. SIM_SWC1, SIM_SWC2, and SIM_SWC3 are identical in
functionality.
Figure 6-4 SIM Software Control Register 0 (SIM_SWC0)
6.3.3.1
Software Control Data 0 (FIELD)—Bits 15–0
This register is reset only by the Power-On Reset (POR). It has no part-specific functionality and is
intended for use by a software developer to contain data that will be unaffected by the other reset sources
(RESET pin, software reset, and COP reset).
6.3.4
Most Significant Half of JTAG ID (SIM_MSHID)
This read-only register displays the most significant half of the JTAG ID for the chip. This register reads
$01F2.
Figure 6-5 Most Significant Half of JTAG ID (SIM_MSHID)
Base + $2
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
Software Control Data 0
Write
RESET
0
000
0
000
0
Base + $6
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
1
0
1
0
Write
RESET
0
1
111
1
001
0
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