at88sa102s ATMEL Corporation, at88sa102s Datasheet - Page 17

• Manufacturer Part Number: at88sa102s
• Description: Cryptoauthentication
• Manufacturer: ATMEL Corporation

4.2.
8584A–SMEM–03/09
Read
Reads 4 bytes from Fuse or ROM. Returns an error if an attempt is made to read any fuse address that is illegal.
Table 10.
Table 11.
Table 12.
Opcode
Param1
Param2
Data
Contents
ROM
Fuse
Name
Name
Input Parameters
Output Parameters
Mode Encoding
READ
Mode
Address
Ignored
0x00
0x01
Value
Size
Name
4
The contents of the specified memory location.
Reads four bytes from the ROM. Bit 1 of the address parameter must be 0.
Reads the value of 32 fuses. Bit 1 of the address parameter must be 1. The input address
parameter << 5 provides the fuse number corresponding to the LSB of the first returned
byte.
Size
1
1
2
0
0x02
Which 4 bytes within array. Bits 2-15 should be 0.
Fuse or ROM
AT88SA102S [Preliminary]
Notes
Notes
Notes
17