W90N740CD WINBOND [Winbond], W90N740CD Datasheet - Page 111

• Manufacturer Part Number: W90N740CD
• Description: 32-Bit ARM7TDMI-Based Micro-Controller
• Manufacturer: WINBOND [Winbond]

Set the bits to selectively enable port number replacement at the entry location. This bit is valid when
ExEN is set.
AxRE [3]: IP Address Replacement Enable at Entry x
Default value: 0
Set the bits to selectively enable IP address replacement at the entry location. This bit is valid when
ExEN is set.
PxCE [2]: Port Number Comparison Enable at Entry x
Default value: 0
Set the bits to selectively enable port number comparison at the entry location. This bit is valid when
ExEN is set.
AxCE [1]: IP Address Comparison Enable at Entry x
Default value: 0
Set the bits to selectively enable IP address comparison at the entry location. This bit is valid when
ExEN is set.
ExEN [0]: Entry x Comparison Enable bit
Default value: 0
Set the bits to selectively enable entry location comparison. To disable an entry location, clear the
appropriate bit. If S/W wants to change some entry data, it has to disable the selected entry and
monitor corresponding CNTx till the value is 0, then it is acceptable to change new entry data.
NAT Entry Configuration Register (NATCFGx) Application Note:
MA: masquerading IP address
MP: masquerading port number
LA: local mapping IP address
LP: local mapping port number
SA: (IP) address at source field
SP: port number at source field
DA: (IP) address at destination field
DP: port number at destination field
Data Content in the NATA table
Entry 15
Entry 0
Entry 1
….
Field 0
MA 15
MA 0
MA 0
….
- 108 -
Field 1
MP 15
MP 0
MP 0
….
W90N740CD/W90N740CDG
Field 2
LA 15
LA 0
LA 0
….
Field 3
LP 15
LP 0
LP 0
….