AT88SA10HS(2009) データシートの表示（PDF） - Atmel Corporation

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AT88SA10HS
(Rev.:2009)

CryptoAuthentication Host Security Chip

Atmel Corporation 

AT88SA10HS Host Authentication Chip [Preliminary]

4.4.

Read

Reads 4 bytes from Fuse or ROM. Returns an error if an attempt is made to read any fuses or ROM locations which

are illegal.

Table 14.

Opcode

Param1

Param2

Data

Input Parameters

Name

Read

Mode

Address

Ignored

Size

1

1

2

0

Notes

0x02

Fuse or ROM

Which 4 bytes within array. Only bits 0 & 1 are used, all others must be 0’s

Table 15. Output Parameters

Name

Size

Notes

Contents

4 The contents of the specified memory location.

Table 16. Mode Encoding

Name

Value

Notes

ROM

0x00

Reads four bytes from the ROM. Bit 1 of the address parameter must be 0.

Fuse

0x01

Reads the value of 32 fuses. Bit 1 of the address parameter must be 1.

17

8595B–SMEM–09/09

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