MIC3000 Datasheet, PDF (60/68 Pages) Micrel Semiconductor – SFP Management IC

MIC3000
Micrel
Manufacturer ID Register (MFG_ID)
Identifies Micrel as the manufacturer of the device. Always returns 2Ah
D[7]
read only
D[6]
read only
D[5]
read only
D[4]
read only
D[3]
read only
D[2]
read only
D[1]
read only
D[0]
read only
0
0
1
0
1
0
1
0
Default Value
0010 1010b = 2A_h
Serial Address
A6_h = 1010011_b
Byte Address
254 = FE_h
The value in this register, in combination with the DEV_ID register, serve to identify the MIC3000 and its revision
number to software. This register is read-only.
Bit(s)
D[7:0]
Function
Identifies Micrel as the manufacturer of the device.
Always returns 2A_h.
Operation
Read only. Always returns A_h
Device ID Register (DEV_ID)
D[7]
read only
D[6]
read only
D[5]
read only
D[4]
read only
D[3]
read only
D[2]
read only
D[1]
read only
D[0]
read only
MIC3000 DEVICE ID
always reads as zero “0” at D [4-7]
DIE REVISION
Default Value
0000 xxxx_b = 0x_h
Serial Address
A6_h = 1010011_b
Byte Address
255 = FF_h
The value in this register, in combination with the MFG_ID register, serve to identify the MIC3000 and its revision
number to software. This register is read-only.
M9999-101204
60
October 2004