參數(shù)資料
型號: P89V51RD2FA,512
廠商: NXP Semiconductors
文件頁數(shù): 36/80頁
文件大小: 0K
描述: IC 80C51 MCU FLASH 64K 44-PLCC
產(chǎn)品培訓(xùn)模塊: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
標(biāo)準(zhǔn)包裝: 26
系列: 89V
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 64KB(64K x 8)
程序存儲器類型: 閃存
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
產(chǎn)品目錄頁面: 706 (CN2011-ZH PDF)
配用: 622-1017-ND - BOARD 44-ZIF PLCC SOCKET
622-1001-ND - USB IN-CIRCUIT PROG 80C51ISP
其它名稱: 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
----------------------------------------------------
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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 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(fēng)格:SMD/SMT
P89V51RD2FBC557 制造商:NXP 功能描述:
P89V51RD2FN 制造商:PHILIPS 制造商全稱: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 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(fēng)格:SMD/SMT