參數(shù)資料
型號： LPC2923FBD100
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： ARM9 microcontroller with CAN, LIN, and USB
中文描述： 32-BIT, FLASH, 125 MHz, RISC MICROCONTROLLER, PQFP100
封裝： 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT407-1, LQFP-100
文件頁數(shù)： 19/84頁
文件大?。?/td> 551K
代理商： LPC2923FBD100
LPC2921_23_25_3
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 03 — 14 April 2010
19 of 84
NXP Semiconductors
LPC2921/2923/2925
ARM9 microcontroller with CAN, LIN, and USB
The index sector is a special sector in which the JTAG access protection and sector
security are located. The address space becomes visible by setting the FS_ISS bit and
overlaps the regular flash sector’s address space.
Note that the index sector, once programmed, cannot be erased. Any flash operation must
be executed out of SRAM (internal or external).
6.8.3
Flash bridge wait-states
To eliminate the delay associated with synchronizing flash-read data, a predefined
number of wait-states must be programmed. These depend on flash memory response
time and system clock period. The minimum wait-states value can be calculated with the
following formulas:
Synchronous reading:
(1)
Asynchronous reading:
(2)
Remark:
If the programmed number of wait-states is more than three, flash-data reading
cannot be performed at full speed (i.e. with zero wait-states at the AHB bus) if speculative
reading is active.
6.8.4
Pin description
The flash memory controller has no external pins. However, the flash can be programmed
via the JTAG pins, see
Section 6.6.3
.
6.8.5
Clock description
The flash memory controller is clocked by CLK_SYS_FMC, see
Section 6.7.2
.
16
17
18
0
1
2
3
4
5
6
8
8
8
64
64
64
64
64
64
64
0x2000 A000
0x2000 C000
0x2000 E000
0x2001 0000
0x2002 0000
0x2003 0000
0x2004 0000
0x2005 0000
0x2006 0000
0x2007 0000
yes
yes
yes
yes
no
no
no
no
no
no
yes
yes
yes
yes
yes
yes
no
no
no
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
Table 10.
Flash memory
sector number
Flash sector overview
…continued
Sector size (kB)
Flash memory
address
LPC2921
LPC2923
LPC2925
WST
t
t
t
tclk sys
)
)
------------------
>
1
–
WST
t
t
tclk sys
)
)
---------------------
>
1
–
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LPC2923FBD100,551 功能描述:ARM微控制器 - MCU IC ARM9 MCU FLASH 256KB RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風格:SMD/SMT
LPC2925 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ARM9 microcontroller with CAN, LIN, and USB
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LPC2925FBD100,551 功能描述:ARM微控制器 - MCU IC ARM9 MCU FLASH 512KB RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:72 MHz 程序存儲器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風格:SMD/SMT
LPC2926 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ARM9 microcontroller with CAN, LIN, and USB
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