參數(shù)資料
型號(hào): PIC24FJ128GA110-I/PT
廠商: Microchip Technology
文件頁(yè)數(shù): 14/18頁(yè)
文件大?。?/td> 0K
描述: IC PIC MCU FLASH 100TQFP
特色產(chǎn)品: PIC24FJ/33FJ MCUs & dsPIC? DSCs
標(biāo)準(zhǔn)包裝: 119
系列: PIC® 24F
核心處理器: PIC
芯體尺寸: 16-位
速度: 32MHz
連通性: I²C,PMP,SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,LVD,POR,PWM,WDT
輸入/輸出數(shù): 85
程序存儲(chǔ)器容量: 128KB(43K x 24)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 16K x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 16x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-TQFP
包裝: 托盤(pán)
產(chǎn)品目錄頁(yè)面: 648 (CN2011-ZH PDF)
配用: 876-1004-ND - PIC24 BREAKOUT BOARD
MA240015-ND - BOARD MCV PIM FOR 24F256GA
DM240011-ND - KIT STARTER MPLAB FOR PIC24F MCU
2008-2011 Microchip Technology Inc.
DS80368L-page 5
PIC24FJ256GA110 FAMILY
6.
Module: SPIx (Master Mode)
In Master mode, both the SPIx Interrupt Flag
(SPIxIF) and the SPIRBF bit (SPIxSTAT<0>) may
become set one-half clock cycle early, instead of
on the clock edge. This occurs only under the
following circumstances:
Enhanced Buffer mode is disabled
(SPIBEN = 0); and
the module is configured for serial data output
changes on transition from clock active to clock
Idle state (CKE = 1)
If the application is using the interrupt flag to deter-
mine when data to be transmitted is written to the
transmit buffer, the data currently in the buffer may
be overwritten.
Work around
Before writing to the SPIx buffer, check the SCKx pin
to determine if the last clock edge has passed.
Example 1 (below) demonstrates a method for
doing this. In this example, pin RD1 functions as the
SPIx clock, SCKx, which is configured as Idle low.
Affected Silicon Revisions
7.
Module: CTMU
When the CTMU module is selected as the trigger
source (SYNCSEL<4:0> = 11000), the input
capture and/or output compare trigger may not
work.
Work around
Manually trigger the input capture and/or output
compare module(s) after a CTMU event is
received. Be certain to compensate for any time
latency that results from manually triggering the
module.
Affected Silicon Revisions
EXAMPLE 1:
CHECKING THE STATE OF SPIxIF AGAINST THE SPIx CLOCK
A3
A5
A6
X
A3
A5
A6
X
while(IFS0bits.SPI1IF == 0){}
//wait for the transmission to complete
while(PORTDbits.RD1 == 1){}
//wait for the last clock to finish
SPI1BUF = 0xFF;
//write new data to the buffer
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