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参数资料
| 型号： | P89LPC921FN,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 16/46页 |
| 文件大小： | 0K |
| 描述： | IC 80C51 MCU FLASH 4K 20-DIP |
| 产品培训模块： | Migrating from 8/16-Bit MCUs to 32-Bit ARMs |
| 标准包装： | 18 |
| 系列： | LPC900 |
| 核心处理器： | 8051 |
| 芯体尺寸： | 8-位 |
| 速度： | 18MHz |
| 连通性： | I²C，UART/USART |
| 外围设备： | 欠压检测/复位，LED，POR，PWM，WDT |
| 输入/输出数： | 18 |
| 程序存储器容量： | 4KB（4K x 8） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 256 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2.4 V ~ 3.6 V |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 20-DIP（0.300"，7.62mm） |
| 包装： | 管件 |
| 产品目录页面： | 706 (CN2011-ZH PDF) |
| 配用： | 622-1014-ND - BOARD FOR LPC9XX TSSOP 622-1008-ND - BOARD FOR LPC9103 10-HVSON 622-1006-ND - SOCKET ADAPTER BOARD 568-4000-ND - DEMO BOARD SPI/I2C TO DUAL UART 568-3510-ND - DEMO BOARD SPI/I2C TO UART 622-1002-ND - USB IN-CIRCUIT PROG LPC9XX 568-1759-ND - EMULATOR DEBUGGER/PROGRMMR LPC9X |
| 其它名称： | 568-2248-5 935280399112 P89LPC921FN |
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Philips Semiconductors
P89LPC920/921/922/9221
8-bit microcontrollers with two-clock 80C51 core
Product data
Rev. 08 — 15 December 2004
23 of 46
9397 750 14469
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
External reset pin (during power-up or if user congured via UCFG1). This option
must be used for an oscillator frequency above 12 MHz);
Power-on detect;
Brownout detect;
Watchdog Timer;
Software reset;
UART break character detect reset.
For every reset source, there is a ag in the Reset Register, RSTSRC. The user can
read this register to determine the most recent reset source. These ag bits can be
cleared in software by writing a ‘0’ to the corresponding bit. More than one ag bit
may be set:
During a power-on reset, both POF and BOF are set but the other ag bits are
cleared.
For any other reset, previously set ag bits that have not been cleared will remain
set.
8.15.1
Reset vector
Following reset, the P89LPC920/921/922/9221 will fetch instructions from either
address 0000h or the Boot address. The Boot address is formed by using the Boot
Vector as the high byte of the address and the low byte of the address = 00h.
The Boot address will be used if a UART break reset occurs, or the non-volatile Boot
Status bit (BOOTSTAT.0) = 1, or the device is forced into ISP mode during power-on
(see
P89LPC920/921/922/9221 User’s Manual). Otherwise, instructions will be
fetched from address 0000H.
8.16 Timers/counters 0 and 1
The P89LPC920/921/922/9221 has two general purpose counter/timers which are
upward compatible with the standard 80C51 Timer 0 and Timer 1. Both can be
congured to operate either as timers or event counter. An option to automatically
toggle the T0 and/or T1 pins upon timer overow has been added.
In the ‘Timer’ function, the register is incremented every machine cycle.
In the ‘Counter’ function, the register is incremented in response to a 1-to-0 transition
at its corresponding external input pin, T0 or T1. In this function, the external input is
sampled once during every machine cycle.
Timer 0 and Timer 1 have ve operating modes (modes 0, 1, 2, 3 and 6). Modes 0, 1,
2 and 6 are the same for both Timers/Counters. Mode 3 is different.
8.16.1
Mode 0
Putting either Timer into Mode 0 makes it look like an 8048 Timer, which is an 8-bit
Counter with a divide-by-32 prescaler. In this mode, the Timer register is congured
as a 13-bit register. Mode 0 operation is the same for Timer 0 and Timer 1.
8.16.2
Mode 1
Mode 1 is the same as Mode 0, except that all 16 bits of the timer register are used.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| P89LPC922 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontrollers with two-clock 80C51 core 2 kB/4 kB/8 kB 3 V low-power Flash with 256-byte data RAM |
| P89LPC9221FDH,512 | 功能描述:8位微控制器 -MCU 80C51 8K FL 256B RAM RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| P89LPC9221FDH,518 | 功能描述:8位微控制器 -MCU 8B MCU 80C51 2/4/8KB 3V FL 256B RAM RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| P89LPC9221FN | 功能描述:8位微控制器 -MCU 80C51 8K FL 256B RAM RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| P89LPC9221FN,112 | 功能描述:8位微控制器 -MCU 8K FL/256B RAM/I2C/UART/DIP20 RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
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