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參數(shù)資料
| 型號： | P89LPC9321FDH,512 |
| 廠商： | NXP Semiconductors |
| 文件頁數(shù)： | 25/71頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC 80C51 MCU 8KB FLASH 28TSSOP |
| 標準包裝： | 51 |
| 系列： | LPC900 |
| 核心處理器： | 8051 |
| 芯體尺寸： | 8-位 |
| 速度： | 18MHz |
| 連通性： | I²C，SPI，UART/USART |
| 外圍設備： | 欠壓檢測/復位，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 26 |
| 程序存儲器容量： | 8KB（8K x 8） |
| 程序存儲器類型： | 閃存 |
| EEPROM 大?。?/td> | 512 x 8 |
| RAM 容量： | 768 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.4 V ~ 3.6 V |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 28-TSSOP（0.173"，4.40mm 寬） |
| 包裝： | 管件 |
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P89LPC9321
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 2 — 16 November 2010
31 of 71
NXP Semiconductors
P89LPC9321
8-bit microcontroller with accelerated two-clock 80C51 core
7.19.1 Reset vector
Following reset, the P89LPC9321 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
P89LPC9321 User manual). Otherwise, instructions will be fetched from address 0000H.
7.20 Timers/counters 0 and 1
The P89LPC9321 has two general purpose counter/timers which are upward compatible
with the standard 80C51 Timer 0 and Timer 1. Both can be configured to operate either as
timers or event counters. An option to automatically toggle the T0 and/or T1 pins upon
timer overflow 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 five 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.
7.20.1 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 configured as a
13-bit register. Mode 0 operation is the same for Timer 0 and Timer 1.
7.20.2 Mode 1
Mode 1 is the same as Mode 0, except that all 16 bits of the timer register are used.
7.20.3 Mode 2
Mode 2 configures the Timer register as an 8-bit Counter with automatic reload. Mode 2
operation is the same for Timer 0 and Timer 1.
7.20.4 Mode 3
When Timer 1 is in Mode 3 it is stopped. Timer 0 in Mode 3 forms two separate 8-bit
counters and is provided for applications that require an extra 8-bit timer. When Timer 1 is
in Mode 3 it can still be used by the serial port as a baud rate generator.
7.20.5 Mode 6
In this mode, the corresponding timer can be changed to a PWM with a full period of
256 timer clocks.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| P89LPC9321FN | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 512-byte data EEPROM |
| P89LPC9321FN,112 | 功能描述:8位微控制器 -MCU Enhanced LPC932A1 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| P89LPC932A1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-Bit Microcontroller with accelerated two-clock 80C51 core 8kB 3V byte-erasable flash with 512-byte data EEPROM |
| P89LPC932A1FA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-Bit Microcontroller with accelerated two-clock 80C51 core 8kB 3V byte-erasable flash with 512-byte data EEPROM |
| P89LPC932A1FA,112 | 功能描述:8位微控制器 -MCU 8K FL/768B RAM/512B EE/CCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
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