C8051F960-A-GQ Silicon Labs, C8051F960-A-GQ Datasheet - Page 185
C8051F960-A-GQ
Manufacturer Part Number
C8051F960-A-GQ
Description
8-bit Microcontrollers - MCU 128KB DC-DC LCD AES
Manufacturer
Silicon Labs
Datasheet
1.C8051F960-A-GQ.pdf
(492 pages)
Specifications of C8051F960-A-GQ
Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
Maximum Clock Frequency
24.5 MHz
Program Memory Size
128 KB
Data Ram Size
8 KB
On-chip Adc
Yes
Operating Supply Voltage
1.8 V to 3.8 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
QFP-80
Mounting Style
SMD/SMT
Available stocks
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Price
Company:
Part Number:
C8051F960-A-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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14.4. AES Block Cipher Data Flow
The AES0 module data flow for AES Block Cipher encryption and decryption shown in Figure 14.3. The
data flow is the same for encryption and decryption. The AES0DCF sfr is always configured to route the
AES core output to AES0YOUT. The XOR on the input and output paths are not used.
For an encryption operation, the core is configured for an encryption cipher, the encryption key is written to
AES0KIN, the plaintext is written to the AES0BIN sfr. and the ciphertext is read from AES0YOUT.
For a decryption operation, the core is configured for an decryption cipher, the decryption key is written to
AES0KIN, the ciphertext is written to the AES0BIN sfr. and the plaintext is read from AES0YOUT.
The key size is set to the desired key size.
AES0DCFG
AES0BCFG
AES0KIN
internal state
Figure 14.3. AES Block Cipher Data Flow
machine
Key
In
Rev. 0.5
AES0BIN
Data Out
Data In
Core
AES
AES0YOUT
+
+
Key
Out
AES0XIN
C8051F96x
185
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