参数资料
型号: LPC2103FBD48,151
厂商: NXP Semiconductors
文件页数: 9/37页
文件大小: 0K
描述: IC ARM7 MCU FLASH 32K 48-LQFP
产品培训模块: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
ARM7 Architecture
ARM7 Memory
标准包装: 250
系列: LPC2100
核心处理器: ARM7
芯体尺寸: 16/32-位
速度: 70MHz
连通性: I²C,Microwire,SPI,SSI,SSP,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 32
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 8K x 8
电压 - 电源 (Vcc/Vdd): 1.65 V ~ 3.6 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 48-LQFP
包装: 托盘
产品目录页面: 704 (CN2011-ZH PDF)
配用: 568-4310-ND - EVAL BOARD LPC2158 W/LCD
568-4302-ND - BOARD EVAL LPC210X KS2103 JLINK
568-4301-ND - BOARD EVAL LPC210X KS2103
568-4300-ND - BOARD EVAL LPC210X MCB2103
568-4297-ND - BOARD EVAL LPC21XX MCB2100
MCB2103UME-ND - BOARD EVAL MCB2103 + ULINK-ME
MCB2103U-ND - BOARD EVAL MCB2103 + ULINK2
622-1013-ND - BOARD FOR LPC2103 48-LQFP
622-1008-ND - BOARD FOR LPC9103 10-HVSON
622-1005-ND - USB IN-CIRCUIT PROG ARM7 LPC2K
其它名称: 568-2094
935280966151
LPC2103FBD48-S
LPC2101_02_03_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 2 June 2009
17 of 37
NXP Semiconductors
LPC2101/02/03
Single-chip 16-bit/32-bit microcontrollers
Incorrect/Incomplete feed sequence causes reset/interrupt if enabled.
Flag to indicate watchdog reset.
Programmable 32-bit timer with internal pre-scaler.
Selectable time period from (TPCLK × 256 × 4) to (TPCLK × 232 × 4) in multiples of
TPCLK × 4.
6.16 Real-time clock
The Real-Time Clock (RTC) is designed to provide a set of counters to measure time
when normal or idle operating mode is selected. The RTC has been designed to use little
power, making it suitable for battery powered systems where the CPU is not running
continuously (Idle mode).
6.16.1 Features
Measures the passage of time to maintain a calendar and clock.
Ultra-low power design to support battery powered systems.
Provides Seconds, Minutes, Hours, Day of Month, Month, Year, Day of Week, and Day
of Year.
Can use either the RTC dedicated 32 kHz oscillator input or clock derived from the
external crystal/oscillator input at XTAL1. The programmable reference clock divider
allows ne adjustment of the RTC.
Dedicated power supply pin can be connected to a battery or the main 3.3 V.
6.17 System control
6.17.1 Crystal oscillator
The on-chip integrated oscillator operates with external crystal in range of 1 MHz to
25 MHz. The oscillator output frequency is called fosc and the ARM processor clock
frequency is referred to as CCLK for purposes of rate equations, etc. fosc and CCLK are
the same value unless the PLL is running and connected. Refer to Section 6.17.2 “PLL”
and Section 10.1 “XTAL1 input” for additional information.
6.17.2 PLL
The PLL accepts an input clock frequency in the range of 10 MHz to 25 MHz. The input
frequency is multiplied up into the range of 10 MHz to 70 MHz with a Current Controlled
Oscillator (CCO). The multiplier can be an integer value from 1 to 32 (in practice, the
multiplier value cannot be higher than 6 on this family of microcontrollers due to the upper
frequency limit of the CPU). The CCO operates in the range of 156 MHz to 320 MHz, so
there is an additional divider in the loop to keep the CCO within its frequency range while
the PLL is providing the desired output frequency. The output divider may be set to divide
by 2, 4, 8, or 16 to produce the output clock. Since the minimum output divider value is 2,
it is insured that the PLL output has a 50 % duty cycle. The PLL is turned off and
bypassed following a chip reset and may be enabled by software. The program must
congure and activate the PLL, wait for the PLL to lock, and then connect to the PLL as a
clock source. The PLL settling time is 100
s.
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