Module: MSSP (I2C Slave Mo" />
參數(shù)資料
型號(hào): PIC16F882-E/SO
廠商: Microchip Technology
文件頁(yè)數(shù): 13/16頁(yè)
文件大小: 0K
描述: IC PIC MCU FLASH 2KX14 28SOIC
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝: 27
系列: PIC® 16F
核心處理器: PIC
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 24
程序存儲(chǔ)器容量: 3.5KB(2K x 14)
程序存儲(chǔ)器類型: 閃存
EEPROM 大?。?/td> 128 x 8
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 11x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
包裝: 管件
產(chǎn)品目錄頁(yè)面: 639 (CN2011-ZH PDF)
配用: XLT28SO-1-ND - SOCKET TRANSITION 28SOIC 300MIL
PIC16F88X
DS80302F-page 6
2009 Microchip Technology Inc.
5.
Module: MSSP (I2C Slave Mode)
When the master device wants to terminate
receiving any more data from the slave device, it
will do so by sending a NACK in response to the
last data byte received from the slave. When the
slave receives the NACK, the R/W bit of the
SSPSTAT register remains set improperly.
Work around
Use the CKP bit of the SSPCON register to
determine when the master has responded with a
NACK. The CKP bit will be clear when the
response is an ACK, and set when the response is
a NACK. The CKP bit is automatically cleared to
stretch the clock when the master responds to
received data with an ACK. This gives the slave
time to load the SSPBUF register before setting
the CKP bit to release the clock stretching. When
the master responds to received data with a NACK
the CKP bit properly remains set, and there is no
clock stretching.
Affected Silicon Revisions
PIC16F882
PIC16F883/PIC16F884
PIC16F886/PIC16F887
A0
X
A0
X
A2
X
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