AT91SAM7XC512-CU Atmel, AT91SAM7XC512-CU Datasheet - Page 516

• Manufacturer Part Number: AT91SAM7XC512-CU
• Description: MCU ARM 512K HS FLASH 100-TFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7XC512-CU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 62
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 128K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TFBGA
• Processor Series: AT91SAMx
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 128 KB
• Interface Type: MII, SPI, TWI
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 62
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-ARM-2M, KSK-AT91SAM7X-PL, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: AT91SAM-ICE, AT91-ISP, AT91SAM7XC-EK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• For Use With: AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7XC-EK - KIT EVAL FOR AT91SAM7XC256/128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

36.4.2
Name:
Access Type:
• CIPHER: Processing Mode
0 = Decrypts data.
1 = Encrypts data.
• PROCDLY: Processing Delay
The processing time represents the number of clock cycles that the AES needs in order to perform one encryption/decryp-
tion with no countermeasures activated.
Note:
• SMOD: Start Mode
• KEYSIZE: Key Size
Note:
516
LOD
Processing Time
31
23
15
–
7
0
0
1
1
0
0
1
The best performance is achieved with PROCDLY equal to 0.
1. The key size for AT91SAM7XC128 and AT91SAM7XC256 is 128 bits.
AT91SAM7XC512/256/128 Preliminary
AES Mode Register
KEYSIZE
SMOD
Read-write
30
22
14
–
6
AES_MR
(1)
=
X
0
1
0
1
0
1
PROCDLY
12
CKEY
×
(
PROCDLY
Description
Manual Mode
Auto Mode
PDC Mode
Reserved
Description
AES Key Size is 128 bits
AES Key Size is 192 bits
AES Key Size is 256 bits
OPMOD
• LOD = 0: The encrypted/decrypted data are available at the address specified in the
• LOD = 1: The encrypted/decrypted data are available in the output data registers.
29
21
13
receive pointer registers (AES_RPR, AES_RNPR).
–
5
+
1
)
28
20
12
4
(1)
(1)
27
19
11
–
–
3
KEYSIZE
(1)
CTYPE
26
18
10
2
–
CFBS
25
17
–
9
1
6209F–ATARM–17-Feb-09
SMOD
CIPHER
24
16
8
0