參數(shù)資料
型號(hào)： LPC2939FBD208
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, PQFP208
封裝： 28 X 28 MM, 1.40 MM HEIGHT, PLASTIC, SOT-459, MS-026, LQFP-208
文件頁數(shù)： 51/99頁
文件大?。?/td> 1945K
代理商： LPC2939FBD208
LPC2939_3
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 03 — 7 April 2010
51 of 99
NXP Semiconductors
LPC2939
ARM9 microcontroller with CAN, LIN, and USB
6.16.1
Clock description
The PCRSS is clocked by a number of different clocks. CLK_SYS_PCRSS clocks the
AHB side of the AHB to DTL bus bridge and CLK_PCR_SLOW clocks the CGU, RGU and
PMU internal logic, see
Section 6.7.2
. CLK_SYS_PCRSS is derived from
BASE_SYS_CLK, which can be switched off in low-power modes. CLK_PCR_SLOW is
derived from BASE_PCR_CLK and is always on in order to be able to wake up from
low-power modes.
Fig 11. PCRSS block diagram
002aae244
AHB2DTL
BRIDGE
RESET OUTPUT
DELAY LOGIC
INPUT
DEGLITCH/
SYNC
branch
clocks
grant
request
wakeup_a
AHB_RST
SCU_RST
WARM_RST
COLD_RST
PCR_RST
RGU_RST
POR_RST
RST (device pin)
reset from watchdog counter
EXTERNAL
OSCILLATOR
PMU
REGISTERS
CLOCK
ENABLE
CONTROL
CLOCK
GATES
LOW POWER
RING
OSCILLATOR
CGU0
REGISTERS
RGU
REGISTERS
POR
OUT0
OUT1
OUT5
OUT7
OUT9
OUT6
OUT11
OUT0
OUT1
OUT2
PLL
FDIV[6:0]
PLL
FDIV
CGU0
CGU1
PMU
RGU
AHB
master
disable:
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LPC2939FBD208,551 功能描述:ARM微控制器 - MCU IC ARM9 MCU FLASH 768KB 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(shí)鐘頻率:72 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
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