参数资料
型号: AT91SAM9N12-EK
厂商: Atmel
文件页数: 16/27页
文件大小: 0K
描述: EVAL KIT FOR SAM9N12
设计资源: AT91SAM9N12-EK Design & Mfg Files
SAM9N12-EK Design & Mfg File Information
标准包装: 1
类型: MCU
适用于相关产品: ATSAM9N12
所含物品:
23
11096AS–ATARM–4-Oct-11
SAM9N12
7.3
Chip Identification
Chip ID: 0x819A_05A1
SAM9N12 Chip ID Extension: 6
JTAG ID: 0x05B3_003F
ARM926 TAP ID: 0x0792_603F
7.4
Backup Section
The SAM9N12 features a Backup Section that embeds:
RC Oscillator
Slow Clock Oscillator
Real Time Counter (RTC)
Shutdown Controller
4 backup registers
Slow Clock Control Register (SCKCR)
A part of the reset Controller (RSTC)
This section is powered by the VDDBU rail.
7.5
Security Features
The SAM9N12 features:
320 OTP bits array
Secure bootloader selectable by a dedicated fuse bit
Bits in SFR register to forbid ROM and OTP read access
The OTP array enables the user to set security features and program device configuration
The secure bootloader allows:
Keeping the firmware stored in Non-Volatile memory encrypted
Decryption, in internal SRAM only, the firmware using the customer’s crypto key burned in
the fuse bits
The encryption/decryption uses high strength hardware, AES256
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