LPC1857FET256,551 NXP Semiconductors, LPC1857FET256,551 Datasheet - Page 35
LPC1857FET256,551
Manufacturer Part Number
LPC1857FET256,551
Description
IC MCU 32BIT 1MB FLASH 256LBGA
Manufacturer
NXP Semiconductors
Series
LPC18xxr
Datasheets
1.LPC1830FET256551.pdf
(87 pages)
2.LPC1810FET100551.pdf
(2 pages)
3.LPC1810FET100551.pdf
(1164 pages)
Specifications of LPC1857FET256,551
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
150MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, Microwire, SD/MMC, SPI, SSI, SSP, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, DMA, I²S, LCD, Motor Control PWM, POR, PWM, WDT
Number Of I /o
80
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
136K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
256-LBGA
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LPC1857FET256,551
Manufacturer:
NXP Semiconductors
Quantity:
10 000
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User manual
4.4.2 OTP memory
Table 11.
The virgin OTP state is all zeros. This implies that a zero value can be overwritten by a
one value, but a one value cannot be changed.
Programming the OTP requires a higher voltage than reading. The read voltage is
generated internally. The programming voltage is supplied via pin VPP. If this pin is not
connected, then the OTP can not be programmed.
The OTP controller automatically selects the correct voltage.
Function
AES_API_Load_Key_SW
AES_API_Load_IV_SW
AES_API_Load_IV_IC
AES_API_Operate
AES_API_Program_Key_1
AES_API_Program_Key_2
Security API calls
All information provided in this document is subject to legal disclaimers.
Rev. 00.13 — 20 July 2011
Offset relative to
the API entry
point
0x10
0x14
0x18
0x1C
0x20
0x24
Loads 128 bit AES software defined user key
Loads 128 bit AES init vector
Loads 128 bit AES IC specific init vector, which
Performs an operation pre-selected by the
Programs 128 bit AES key in OTP.
Programs 128 bit AES key in OTP.
Description
Parameter - unsigned char *key(16 bytes)
Return - void
Parameter - unsigned char *iv(16 bytes)
Return - void
is used to decode a boot image.
Parameter - void
Return - void
selected mode and therefore a key. A
previously loaded iv is used.
Data_out=AES_OP(data_in*size, key, [iv])
Parameter 1 - unsigned char *data_out
Parameter 2 - unsigned char *data_in
Parameter 3 - unsigned size (128 bits word -
16 bytes)
Return - unsigned: see general error codes.
Parameter: unsigned char *key (16 bytes)
Return - unsigned: see general error codes.
Parameter: unsigned char *key (16 bytes)
Return - unsigned: see general error codes.
Chapter 4: LPC18xx Security features
UM10430
© NXP B.V. 2011. All rights reserved.
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