参数资料
型号: P89V51RD2FA,512
厂商: NXP Semiconductors
文件页数: 36/80页
文件大小: 0K
描述: IC 80C51 MCU FLASH 64K 44-PLCC
产品培训模块: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
标准包装: 26
系列: 89V
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 32
程序存储器容量: 64KB(64K x 8)
程序存储器类型: 闪存
RAM 容量: 1K x 8
电压 - 电源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 管件
产品目录页面: 706 (CN2011-ZH PDF)
配用: 622-1017-ND - BOARD 44-ZIF PLCC SOCKET
622-1001-ND - USB IN-CIRCUIT PROG 80C51ISP
其它名称: 568-1290-5
935276046512
P89V51RD2FA
P89V51RB2_RC2_RD2_5
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 05 — 12 November 2009
41 of 80
NXP Semiconductors
P89V51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
The following examples will help to show the versatility of this scheme.
Example 1, slave 0:
(4)
Example 2, slave 1:
(5)
In the above example SADDR is the same and the SADEN data is used to differentiate
between the two slaves. Slave 0 requires a ‘0’ in bit 0 and it ignores bit 1. Slave 1 requires
a ‘0’ in bit 1 and bit 0 is ignored. A unique address for Slave 0 would be 1100 0010 since
slave 1 requires a ‘0’ in bit 1. A unique address for slave 1 would be 1100 0001 since a ‘1’
in bit 0 will exclude slave 0. Both slaves can be selected at the same time by an address
which has bit0=0 (for slave 0) and bit1=0 (for slave 1). Thus, both could be addressed
with 1100 0000.
Fig 16. Schemes used by the UART to detect ‘given’ and ‘broadcast’ addresses when
multiprocessor communications is enabled
002aaa527
rx_byte(7)
saddr(7)
saden(7)
rx_byte(0)
saddr(0)
.
given_address_match
logic used by UART to detect 'given address' in received data
saddr(7)
saden(7)
rx_byte(7)
saddr(0)
saden(0)
rx_byte(0)
broadcast_address_match
logic used by UART to detect 'given address' in received data
saden(0)
.
SADDR = 1100 0000
SADEN = 1111 1101
Given = 1100 00X0
----------------------------------------------------
SADDR = 1100 0000
SADEN = 1111 1110
Given = 1100 000X
----------------------------------------------------
相关PDF资料
PDF描述
ATMEGA16U2-AU MCU AVR 16K FLASH USB 32TQFP
VI-J43-IX-B1 CONVERTER MOD DC/DC 24V 75W
VI-J42-IX-B1 CONVERTER MOD DC/DC 15V 75W
VI-J41-IX-B1 CONVERTER MOD DC/DC 12V 75W
VE-JTR-IX-B1 CONVERTER MOD DC/DC 7.5V 75W
相关代理商/技术参数
参数描述
P89V51RD2FBC 制造商:NXP Semiconductors 功能描述:
P89V51RD2FBC,557 功能描述:8位微控制器 -MCU 80C51 64K FL / 1K RM 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
P89V51RD2FBC557 制造商:NXP 功能描述:
P89V51RD2FN 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit 80C51 5 V low power 16/32/64 kB flash microcontroller with 1 kB RAM
P89V51RD2FN,112 功能描述:8位微控制器 -MCU 80C51 64K FL / 1K RM 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