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SLE4432 Datasheet

  • SLE4432

  • Intelligent 256Bit EEPROM

  • Infineon   Infineon

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SLE 4432
SLE 4442
2.3.5 Read Security Memory (SLE 4442 only)
Similar to the read command for the protection memory this command reads out the 4 bytes of the
security memory. The number of clock pulses during the outgoing data mode is 32. I/O is switched
to high impedance Z by an additional pulse. Without a preceeding successful verification of the PSC
the output of the reference bytes is suppressed, that means I/O outputs state L for the reference
data bytes.
Address Main Memory
(decimal)
255
:
32
31
:
3
2
1
0
:
Data Byte 32 (D7 鈥?D0)
Data Byte 31 (D7 鈥?D0)
:
Data Byte 3 (D7 鈥?D0)
Data Byte 2 (D7 鈥?D0)
Data Byte 1 (D7 鈥?D0)
Data Byte 0 (D7 鈥?D0)
Protection Memory
Security Memory
(only SLE 4442)
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Reference Data Byte 3(D7 鈥?D0)
Reference Data Byte 2(D7 鈥?D0)
Reference Data Byte 1(D7 鈥?D0)
Error Counter
(0,0,0,0,0,D2,D1,D0)
Data Byte 255 (D7 鈥?D0) 鈥?/div>
鈥?/div>
鈥?/div>
:
Protection Bit 3 (D3)
Protection Bit 2 (D2)
Protection Bit 1 (D1)
Protection Bit 0 (D0)
Protection Bit 31 (D31) 鈥?/div>
Command:
READ SECURITY MEMORY
Control
B7
Binary
Hexadecimal
0
B6
0
B5
1
B4
1
31
H
B3
0
B2
0
B1
0
B0
1
Address
A7鈥0
No effect
No effect
Data
D7鈥0
No effect
No effect
Figure 9
Read Security Memory
Semiconductor Group
19

SLE4432 PDF文件相關(guān)型號(hào)

SLE4442,SLE4442C,SLE4442M2.2

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