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參數(shù)資料
| 型號： | MSC0501 |
| 廠商： | Atmel Corp. |
| 英文描述： | 8-bit Microcontroller with Modular Exponentiation Unit(8位微控制器帶模塊取冪單元) |
| 中文描述： | 8位模冪組微控制器（8位微控制器帶模塊取冪單元） |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 24K |
| 代理商： | MSC0501 |
MSC0501
2
MSC0501/ACP Rev. 1.0
1.2
MSC0501 features
4064 bytes of on-chip user EEPROM, plus an additional 32 bytes that are protected in user mode
20470 bytes of on-chip user ROM, plus ten bytes reserved for vectors
896 bytes of on-chip RAM
1-bit ISO standard (7816/3) I/O port (PA0)
External maskable interrupt on ISO standard I/O port (PA0)
Time base circuitry with maskable interrupt and software-selectable clock source (free-running oscillator/external clock)
Watchdog capability under software control (mask option)
Modular Exponentiation Unit (MEU): M modulo N exponent circuitry with the ability to execute a 512-bit modular exponentiation n less
than 125ms; a double precision operand (1024-bit) can also be manipulated
Phase-Locked Loop (PLL) clock generation circuit
Random Number Generator (RNG)
Optional cryptographic software library, including private and public key algorithms (including DES, RSA, DSS and SHA standards),
and a range of mathematical functions. Contact local sales office for availability
Single supply voltage: 5.0V
±
10% or 3.0V
±
10%
Illegal address reset
Available as sawn wafer on tape, and modules. For the availability of other industry standard packages, contact your local Atmel sales
office
Figure 1-1
MSC0501 block diagram
PA0
P
Interrupt
control
M68HC05 CPU
÷
2 or 1
RESET
CLK
VDD
VSS
D
Charge pump
Control logic
User ROM - 20470 bytes
(plus ten bytes for vectors)
RAM - 896 bytes
User EEPROM - 4064 bytes
(plus 32 control bytes)
Time base and Watchdog
EEPROM oscillator
Modular Exponentiation Unit
(MEU)
PLL
PA0
Random Number
Generator (RNG)
Security logic
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