參數(shù)資料
型號: P89LPC932A1FA,129
廠商: NXP Semiconductors
文件頁數(shù): 27/64頁
文件大?。?/td> 0K
描述: IC 80C51 MCU FLASH 8K 28-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: 37
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(shè)備: 欠壓檢測/復(fù)位,LED,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
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-PLCC
包裝: 管件
配用: DB-TSSOP-LPC932-ND - BOARD FOR LPC932 TSSOP
622-1014-ND - BOARD FOR LPC9XX TSSOP
622-1008-ND - BOARD FOR LPC9103 10-HVSON
622-1006-ND - SOCKET ADAPTER BOARD
622-1003-ND - KIT FOR LCD DEMO
568-1759-ND - EMULATOR DEBUGGER/PROGRMMR LPC9X
568-1758-ND - BOARD EVAL FOR LPC93X MCU FAMILY
其它名稱: 568-1285-5
935276131129
P89LPC932A1FA-S
P89LPC932A1_3
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 03 — 12 March 2007
33 of 64
NXP Semiconductors
P89LPC932A1
8-bit microcontroller with accelerated two-clock 80C51 core
7.21 I2C-bus serial interface
The I2C-bus uses two wires (SDA and SCL) to transfer information between devices
connected to the bus, and it has the following features:
Bidirectional data transfer between masters and slaves.
Multi master bus (no central master).
Arbitration between simultaneously transmitting masters without corruption of serial
data on the bus.
Serial clock synchronization allows devices with different bit rates to communicate via
one serial bus.
Serial clock synchronization can be used as a handshake mechanism to suspend and
resume serial transfer.
The I2C-bus may be used for test and diagnostic purposes.
A typical I2C-bus conguration is shown in Figure 14. The P89LPC932A1 device provides
a byte-oriented I2C-bus interface that supports data transfers up to 400 kHz.
Fig 14. I2C-bus conguration
OTHER DEVICE
WITH I2C-BUS
INTERFACE
SDA
SCL
RP
OTHER DEVICE
WITH I2C-BUS
INTERFACE
P1.3/SDA
P1.2/SCL
P89LPC932A1
I2C-bus
002aaa898
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