Texas Instruments TMS320DM646x 사용자 설명서
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3.2
EMAC Control Module Software Reset Register (CMSOFTRESET)
3.3
EMAC Control Module Emulation Control Register (CMEMCONTROL)
EMAC Control Module Registers
The software reset register (CMSOFTRESET) is shown in
and described in
.
Figure 14. EMAC Control Module Software Reset Register (CMSOFTRESET)
31
16
Reserved
R-0
15
1
0
Reserved
SOFTRESET
R-0
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 11. EMAC Control Module Software Reset Register (CMSOFTRESET) Field Descriptions
Bit
Field
Value
Description
31-1
Reserved
0
Reserved
0
SOFTRESET
Software reset.
0
No effect.
1
Causes the EMAC control module logic to be reset. Software reset occurs on the clock following the
register bit write.
register bit write.
The emulation control register (CMEMCONTROL) is shown in
and described in
Figure 15. EMAC Control Module Emulation Control Register (CMEMCONTROL)
31
16
Reserved
R-0
15
2
1
0
Reserved
SOFT
FREE
R-0
R/W-0
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 12. EMAC Control Module Emulation Control Register (CMEMCONTROL)
Field Descriptions
Bit
Field
Value
Description
31-2
Reserved
0
Reserved
1
SOFT
Emulation soft bit. This bit is used in conjunction with FREE bit to determine the emulation suspend
mode. This bit has no effect if FREE = 1.
mode. This bit has no effect if FREE = 1.
0
Soft mode is disabled. EMAC control module stops immediately during emulation halt.
1
Soft mode is enabled. During emulation halt, EMAC control module stops after completion of current
operation.
operation.
0
FREE
Emulation free bit. This bit is used in conjunction with SOFT bit to determine the emulation suspend
mode.
mode.
0
Free-running mode is disabled. During emulation halt, SOFT bit determines operation of the EMAC
control module.
control module.
1
Free-running mode is enabled. During emulation halt, the EMAC control module continues to operate.
Ethernet Media Access Controller (EMAC)/Management Data Input/Output (MDIO)
62
SPRUEQ6 – December 2007