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ATSHA204-RBH-T

Atmel CryptoAuthentication

Atmel Corporation 

2.1.2

Configuration Zone

The 88-bytes (704-bits) in the Configuration zone contain manufacturing identification data, general device, and system

configuration, and access restriction control values for the slots within the data zone. The values of these bytes can

always be obtained using the Read command. The bytes of this zone are arranged as shown in Table 2-2.

Table 2-2. Configuration Zone

Word

Byte 0

Byte 1

Byte 2

Byte 3

Default

Write Access

Read

Access

0x00

Serial Number[0:3]

01 23 xx xx

Never

Always

0x01

Revision Number

xx xx xx xx

Never

Always

0x02

Serial Number[4:7]

xx xx xx xx

Never

Always

0x03

SN[8]

Reserved

I2C Enable

Reserved

EE 55 xx 00

Never

Always

0x04 I2C Address

Must be 0

OTP Mode

Selector Mode C8 00 55 00 If Config Is unlocked Always

0x05

Slot Configuration 0

Slot Configuration 1

8F 80 80 A1 If Config Is unlocked Always

0x06

Slot Configuration 2

Slot Configuration 3

82 E0 A3 60 If Config Is unlocked Always

0x07

Slot Configuration 4

Slot Configuration 5

94 40 A0 85 If Config Is unlocked Always

0x08

Slot Configuration 6

Slot Configuration 7

86 40 87 07 If Config Is unlocked Always

0x09

Slot Configuration 8

Slot Configuration 9

0F 00 89 F2 If Config Is unlocked Always

0x0A

Slot Configuration 10

Slot Configuration 11

8A 7A 0B 8B If Config Is unlocked Always

0x0B

Slot Configuration 12

Slot Configuration 13

0C 4C DD 4D If Config Is unlocked Always

0x0C

Slot Configuration 14

Slot Configuration 15

C2 42 AF 8F If Config Is unlocked Always

0x0D

Use Flag 0

Update Count 0

Use Flag 1

Update Count 1 FF 00 FF 00 If Config Is unlocked Always

0x0E

Use Flag 2

Update Count 2

Use Flag 3

Update Count 3 FF 00 FF 00 If Config Is unlocked Always

0x0F

Use Flag 4

Update Count 4

Use Flag 5

Update Count 5 FF 00 FF 00 If Config Is unlocked Always

0x10

Use Flag 6

Update Count 6

Use Flag 7

Update Count 7 FF 00 FF 00 If Config Is unlocked Always

0x11 Last Key Use 0 Last Key Use 1 Last Key Use 2 Last Key Use 3 FF FF FF FF If Config Is unlocked Always

0x12 Last Key Use 4 Last Key Use 5 Last Key Use 6 Last Key Use 7 FF FF FF FF If Config Is unlocked Always

0x13 Last Key Use 8 Last Key Use 9 Last Key Use 10 Last Key Use 11 FF FF FF FF If Config Is unlocked Always

0x14 Last Key Use 12 Last Key Use 13 Last Key Use 14 Last Key Use 15 FF FF FF FF If Config Is unlocked Always

0x15

User Extra

Selector

Lock Data

Lock Config

00 00 55 55

Via Update Extra

Command Only

Always

2.1.2.1 I2C Enable

Bit 0:

0 = Single-Wire Interface

1 = I2C interface

Bit 1–7: Ignored and set by Atmel.

10 ATSHA204 [DATASHEET]

Atmel-8740H-CryptoAuth-ATSHA204-Datasheet_072014

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