AT88SC0104CA_11 ATMEL [ATMEL Corporation], AT88SC0104CA_11 Datasheet - Page 2

• Manufacturer Part Number: AT88SC0104CA_11
• Description: Atmel CryptoMemory Specification Datasheet
• Manufacturer: ATMEL [ATMEL Corporation]

Table of Contents
1. Pin Configuration and Package Information .................................................... 4
2. Description ....................................................................................................... 5
3. Block Diagram ................................................................................................. 6
4. Pin Description ................................................................................................ 7
5. Configuration and User Zone Description ....................................................... 8
6. Communication Security Modes .................................................................... 14
7. Protocol Selection .......................................................................................... 24
8. Synchronous Protocol ................................................................................... 26
9. Initialization Example ..................................................................................... 41
1.1
1.2
2.1
2.2
2.3
2.4
4.1
4.2
4.3
4.4
5.1
5.2
5.3
5.4
6.1
6.2
6.3
6.4
7.1
7.2
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
8.10 System Write: $B4 ............................................................................................ 34
8.11 System Read: $B6 ............................................................................................ 36
8.12 Verify Crypto: $B8 ............................................................................................. 38
8.13 Verify Password: $BA ....................................................................................... 40
9.1
9.2
9.3
9.4
Pin Configuration ................................................................................................ 4
Package Information ........................................................................................... 4
Atmel AT88SCxxxxC Family of Products Differences ......................................... 5
Embedded Applications ...................................................................................... 5
Smart Card Applications ..................................................................................... 5
Scope 5
Supply Voltage (V
Clock (SCL/CLK) ................................................................................................. 7
Serial Data (SDA/IO) ........................................................................................... 7
Reset (RST) ........................................................................................................ 7
Detailed Description ............................................................................................ 8
Control Logic ....................................................................................................... 8
Configuration Memory ......................................................................................... 8
User Memory .................................................................................................... 11
Security Operations .......................................................................................... 14
Data Protection Features .................................................................................. 17
Configuration Memory Values ........................................................................... 18
Security Fuses .................................................................................................. 22
Synchronous Mode for Embedded Applications ............................................... 24
Asynchronous Mode for Smart Card Applications............................................. 25
Start-up Sequence ............................................................................................ 26
Command Set ................................................................................................... 27
Command Format ............................................................................................. 28
Acknowledge Polling ......................................................................................... 29
Device Addressing ............................................................................................ 30
TWI Command Descriptions ............................................................................. 30
Write User Zone: $B0 ....................................................................................... 31
Random Read: $B1 .......................................................................................... 32
Read User Zone: $B2 ....................................................................................... 33
Write Data to User Zones ................................................................................. 41
Unlock the Configuration Memory ..................................................................... 41
Write Data to the Configuration Memory ........................................................... 41
Set Security Fuses ............................................................................................ 41
Atmel AT88SC0104CA/0204CA/0404CA/0808CA [Datasheet]
CC
)........................................................................................... 7
8664E−CRYPTO−12/11
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