SC23M42A SILAN [Silan Microelectronics Joint-stock], SC23M42A Datasheet - Page 6

• Manufacturer Part Number: SC23M42A
• Description: 256BYTE MEMORY CARD IC
• Manufacturer: SILAN [Silan Microelectronics Joint-stock]

2) Write main memory
3) Read protect memory
operations below in process mode:
corresponding address unit can be changed.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
Binary
Hex
Binary
Hex
This command writes the main memory in bytes. According to the new and old data, carry out one of the
Erase and write
Only erase
Only write
(All the time value is calculated according to the 50 kHz clock frequency.)
This command will read the content of all the protect memory (32bit), and display that whether the data of
(2.5ms) Corresponding pulse number m=124
B7
B7
0
0
(2.5ms) Corresponding pulse number m=124
(5ms) Corresponding pulse number m=245
B6
B6
0
0
B5
B5
1
1
B4
B4
Control
Control
1
1
38H
34H
B3
B3
1
0
B2
B2
0
1
B1
B1
0
0
B0
B0
0
0
Address
00H… FFH
No effect
No effect
Address
Address
A7… A0
A7… A0
REV:1.0
Input data
Input data
No effect
No effect
D7… D0
D7… D0
SC23M42
Data
Data
Page 6 of 11
2006.07.21