SC23M28 Silan Microelectronics, SC23M28 Datasheet - Page 7

• Manufacturer Part Number: SC23M28
• Description: 8KBIT MEMORY CARD IC
• Manufacturer: Silan Microelectronics

SC23M28
Figure7 Time sequence of write error counter and PSC code authentication
If the initial value of the error counter is “ 00” , the error counter cannot be written, and also cannot go through
the password authentication. After the PSC authentication, I/O port will change from “ 1” to “ 0” at the raising edge
of the second clock no matter pass the authentication or not. When RST changes from “ 0” to“ 1” , I/O port returns
to “ 1” . The flow chart is as follows:
Figure8 PSC authentication flow chart
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HANGZHOU SILAN MICROELECTRONICS CO.,LTD
REV:1.0
2006.07.21
Http: www.silan.com.cn
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