Transcend Information Secure Digital Card SD80 - Manual (Page 11)

S S S D D D 8 8 8 0 0 0 s s s e e e r r r i i i e e e s s s
Rev1.2
SD80 Secure Digital Card
Transcend Information Inc. 11
As an example, the PRV binary value field for product revision “6.2” will be: 0110 0010
• PSN
The Serial Number is 32 bits of binary number.
•
MDT
The manufacturing date composed of two hexadecimal digits, one is 8 bit representing the year(y)
and the other is four bits representing the month(m).
The “m” field [11:8] is the month code. 1 = January.
The “y” field [19:12] is the year code. 0 = 2000.
As an example, the binary value of the Date field for production date “April 2001” will be:
00000001 0100.
•
CRC
CRC7 checksum (7 bits).