cp2200 Silicon Laboratories, cp2200 Datasheet - Page 24
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cp2200
Manufacturer Part Number
cp2200
Description
Single-chip Ethernet Controller
Manufacturer
Silicon Laboratories
Datasheet
1.CP2200.pdf
(108 pages)
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CP2200/1
24
Bits7–0: RAMADDRH: RAM Address Register High Byte
Bits7–0: RAMADDRL: RAM Address Register Low Byte
Bits7–0: RAMTXDATA: Transmit Buffer Data Register
Bits7–0: RAMRXDATA: Receive Buffer Data Register
R/W
R/W
R/W
R/W
Bit7
Bit7
Bit7
Bit7
Holds the most significant eight bits of the target RAM address.
Holds the least significant eight bits of the target RAM address.
Read: Returns data in the transmit buffer at location RAMADDRH:RAMADDRL.
Write: Writes data to the transmit buffer at location RAMADDRH:RAMADDRL.
Read: Returns data in the receive buffer at location RAMADDRH:RAMADDRL.
Write: Writes data to the receive buffer at location RAMADDRH:RAMADDRL.
R/W
R/W
R/W
R/W
Bit6
Bit6
Bit6
Bit6
Register 3. RAMTXDATA: RAM Transmit Buffer Data Register
Register 4. RAMRXDATA: RAM Receive Buffer Data Register
Register 1. RAMADDRH: RAM Address Pointer High Byte
Register 2. RAMADDRL: RAM Address Pointer Low Byte
R/W
R/W
R/W
R/W
Bit5
Bit5
Bit5
Bit5
R/W
R/W
R/W
R/W
Bit4
Bit4
Bit4
Bit4
R/W
R/W
R/W
R/W
Bit3
Bit3
Bit3
Bit3
Rev. 1.0
R/W
R/W
R/W
R/W
Bit2
Bit2
Bit2
Bit2
R/W
R/W
R/W
R/W
Bit1
Bit1
Bit1
Bit1
R/W
R/W
R/W
R/W
Bit0
Bit0
Bit0
Bit0
00000000
00000000
00000000
00000000
Reset Value
Reset Value
Reset Value
Reset Value
Address:
Address:
Address:
Address:
0x08
0x09
0x04
0x02