CS8920 查看數據表（PDF） - Cirrus Logic
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CS8920 Datasheet PDF : 66 Pages
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CS8920 Technical Reference Manual
Wake-up Capable
Wake-up Configured
Wake-up Enabled
DC/DC Converter Polarity
Media Type in Use
Reserved
HW Standby
10Base-2 Circuitry
AUI Circuitry
10Base-T Circuitry
25h Reserved
26h Reserved
27h Mfg Date
Year
Month
Day
28-2Ah IEEE Individual Addr
2Bh Reserved
2Ch Reserved
2Dh Reserved
2Eh Reserved
2Fh Checksum
30h EISA ID (low word)
31h EISA ID (high word)
32h Serial No (low word)
33h Serial No (high word)
34h Serial ID Checksum
Marker Byte - 0Ah
LFSR Checksum
10
9
8
7
6-5
4
3
2
1
0
15-0
15-0
15-9
8-5
4-0
47-0
15-0
15-0
15-0
15-0
15-0
15-0
15-0
15-0
15-0
15-8
7-0
0 = Wake-up not supported, 1=Wake-up supported
0 = Not configured for Wake-up, 1 = Configured for Wake-up
0 = Wake-up Disabled, 1 = Wake-up Enabled (default)
0 = Low enable, 1 = High enable (for 10Base-2)
0 = Auto Detect, 1 = 10Base-T, 2 = AUI, 3 = 10Base-2
Reserved for future use, set to 0
0 = HW Standby not supported, 1 = HW Standby supported
0 = Not Present, 1 = Present
0 = Not Present, 1 = Present
0 = Not Present, 1 = Present
Reserved for future use, set to 0
Reserved for future use, set to 0
e.g. 1011111b = 1995, 0000001b = 2001
e.g. 1b = Jan, 1100b = Dec
e.g. 1b = 1, 11111b = 31
Copy of words at 1C-1Eh
Reserved for future use, set to 0
Reserved for future use, set to 0
Reserved for future use, set to 0
Reserved for future use, set to 0
Word-wide checksum of words 1Ch to 2Fh (zero sum)
EISA ID bits[ 7-0], EISA ID bits[15-8]
EISA ID bits[ 23-16], EISA ID bits[31-24]
32-bit OEM assigned serial number, bits[15-8], bits[7-0]
32-bit OEM assigned serial number, bits[31-24], bits[23-16]
0Ah in high byte of checksum - start of PnP resources
8-bit LFSR checksum of words 30h to 33h
Table 3.2. Format of EEPROM the Driver Configuration Block (cont.)
AN84REV1
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