AT88SA100S-SH-CZ-T ATMEL [ATMEL Corporation], AT88SA100S-SH-CZ-T Datasheet - Page 14

• Manufacturer Part Number: AT88SA100S-SH-CZ-T
• Description: Atmel CryptoAuthentication Battery Authentication Chip
• Manufacturer: ATMEL [ATMEL Corporation]

6.2
Read
Reads four bytes from Fuse, ROM or MemValid. Any attempt to present the chip with an illegal Fuse address will result in an
error return.
Table 6-4.
Table 6-5.
Table 6-6.
Opcode
Param1
Param2
Data
Name
Contents
Name
ROM
Fuse
MemValid
Input Parameters
Output Parameters
Mode Encoding
Name
READ
Mode
Address
–
Value
0x00
0x01
0x03
Size
4
Size
1
1
2
0
Notes
0x02
Fuse, ROM or MemValid. See to Table 12
Which 4-bytes within array. Bits 2-15 are ignored by the chip and should be zeros
Notes
The contents of the specified memory location
Notes
Reads four bytes from the ROM. Bit 1 of the address parameter must be zero
Reads the value of 32-fuses
Returns four bytes. The LSB of the first byte indicates whether or not the contents
of the SRAM are valid. All other bits in all bytes have a value of zero. The address
parameter is ignored
Atmel AT88SA100S [DATASHEET]
8558F−CRYPTO−9/11
14