cp2200 Silicon Laboratories, cp2200 Datasheet - Page 77

• Manufacturer Part Number: cp2200
• Description: Single-chip Ethernet Controller
• Manufacturer: Silicon Laboratories

Bits7–0: FLASHDATA: Flash Read/Write Data Register
Bits7–0: FLASHAUTORD: Flash AutoRead Data Register
Bits 7–2: UNUSED. Read = 000000b, Write = don’t care.
Bit 1:
Bit 0:
R/W
R/W
Bit7
Bit7
Bit7
—
R
Read:
Value of the Flash byte at the location specified by FLASHADDRH:FLASHADDRL.
Write:
Initiates a Flash write operation to the Flash byte at the address in FLASHADDRH:FLASHADDRL.
The Flash memory must be unlocked, and the target Flash byte should have a value of 0xFF (value
of erased Flash).
Reads from this register return the value of the Flash byte at the location specified by the Flash
Address Register. The Flash Address Register is automatically incremented by 1 after the read.
Reserved. Must write 0b.
FLEGO: Flash Erase Start.
Writing a ‘1’ to this bit initiates a Flash erase operation on the 512-byte page of Flash containing the
Flash byte at the location specified in the Flash Address Register. The Flash memory must be
unlocked prior to starting a Flash erase operation.
R/W
R/W
Bit6
Register 64. FLASHAUTORD: FLASH AutoRead Data Register
Bit6
Bit6
—
R
Register 63. FLASHDATA: FLASH Read/Write Data Register
Register 65. FLASHERASE: FLASH Erase Register
R/W
R/W
Bit5
Bit5
Bit5
—
R
R/W
R/W
Bit4
Bit4
Bit4
—
R
R/W
R/W
Bit3
Bit3
—
R
B
Rev. 1.0
R/W
R/W
Bit2
Bit2
Bit2
—
R
Reserved
R/W
R/W
Bit1
Bit1
Bit1
R
FLEGO
R/W
R/W
Bit0
Bit0
Bit0
R
CP2200/1
00000000
00000000
00000000
Reset Value
Reset Value
Reset Value
Address:
Address:
Address:
0x6A
0x06
0x05
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