參數(shù)資料
型號: P89CV51RD2FBC,557
廠商: NXP Semiconductors
文件頁數(shù): 76/76頁
文件大?。?/td> 0K
描述: IC 80C51 MCU FLASH 64K 44-TQFP
產品培訓模塊: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
標準包裝: 800
系列: 89C
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: EBI/EMI,SPI,UART/USART
外圍設備: 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: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-TQFP
包裝: 托盤
其它名稱: 568-4257
935284103557
P89CV51RD2FBC
P89CV51RB2_RC2_RD2_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 25 August 2009
9 of 76
NXP Semiconductors
P89CV51RB2/RC2/RD2
80C51 with 1 kB RAM, SPI
6.
Functional description
6.1 Special function registers
Remark: SFR accesses are restricted in the following ways:
Do not attempt to access any SFR locations that are undened.
Access to dened SFR locations must be strictly for the functions of the SFRs.
SFR bits labeled ‘-’, ‘0’ or ‘1’ can only be written and read as follows:
‘-’ Unless otherwise specied, must be written with ‘0’, but can return any value
when read (even if it was written with ‘0’). It is a reserved bit and may be used in
future derivatives.
‘0’ must be written with ‘0’, and will return a ‘0’ when read.
‘1’ must be written with ‘1’, and will return a ‘1’ when read.
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