參數(shù)資料
型號： DSPIC33FJ256MC510-I/PT
廠商： Microchip Technology
文件頁數(shù)： 98/136頁
文件大?。?/td> 0K
描述： IC DSPIC MCU/DSP 256K 100TQFP
產(chǎn)品培訓(xùn)模塊： dsPIC33F DMAC
Introduction to dsPIC33F Architecture Part 1
Asynchronous Stimulus
Introduction to dsPIC33F Architecture Part 2
特色產(chǎn)品： PIC24FJ/33FJ MCUs & dsPIC? DSCs
標(biāo)準(zhǔn)包裝： 119
系列： dsPIC™ 33F
核心處理器： dsPIC
芯體尺寸： 16-位
速度： 40 MIP
連通性： CAN，I²C，IrDA，LIN，SPI，UART/USART
外圍設(shè)備： 欠壓檢測/復(fù)位，DMA，電機控制 PWM，QEI，POR，PWM，WDT
輸入/輸出數(shù)： 85
程序存儲器容量： 256KB（256K x 8）
程序存儲器類型： 閃存
RAM 容量： 16K x 8
電壓 - 電源 (Vcc/Vdd)： 3 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 24x10b/12b
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
產(chǎn)品目錄頁面： 654 (CN2011-ZH PDF)
配用： 876-1001-ND - DSPIC33 BREAKOUT BOARD
MA330013-ND - MODULE PLUG-IN DSPIC33 100TQFP
DV164033-ND - KIT START EXPLORER 16 MPLAB ICD2
DM240001-ND - BOARD DEMO PIC24/DSPIC33/PIC32
64
4235K–8051–05/08
AT89C51RD2/ED2
16.2.3
SPI Serial Clock (SCK)
This signal is used to synchronize the data movement both in and out of the devices through
their MOSI and MISO lines. It is driven by the Master for eight clock cycles which allows to
exchange one Byte on the serial lines.
16.2.4
Slave Select (SS)
Each Slave peripheral is selected by one Slave Select pin (SS). This signal must stay low for any
message for a Slave. It is obvious that only one Master (SS high level) can drive the network.
The Master may select each Slave device by software through port pins (Figure 16-2). To pre-
vent bus conflicts on the MISO line, only one slave should be selected at a time by the Master
for a transmission.
In a Master configuration, the SS line can be used in conjunction with the MODF flag in the SPI
Status register (SPSTA) to prevent multiple masters from driving MOSI and SCK (see Error
conditions).
A high level on the SS pin puts the MISO line of a Slave SPI in a high-impedance state.
The SS pin could be used as a general-purpose if the following conditions are met:
The device is configured as a Master and the SSDIS control bit in SPCON is set. This kind of
configuration can be found when only one Master is driving the network and there is no way
that the SS pin could be pulled low. Therefore, the MODF flag in the SPSTA will never be
set(1).
The Device is configured as a Slave with CPHA and SSDIS control bits set(2). This kind of
configuration can happen when the system comprises one Master and one Slave only.
Therefore, the device should always be selected and there is no reason that the Master uses
the SS pin to select the communicating Slave device.
Note:
1. Clearing SSDIS control bit does not clear MODF.
2. Special care should be taken not to set SSDIS control bit when CPHA = ’0’ because in this
mode, the SS is used to start the transmission.
16.2.5
Baud Rate
In Master mode, the baud rate can be selected from a baud rate generator which is controlled by
three bits in the SPCON register: SPR2, SPR1 and SPR0.The Master clock is selected from one
of seven clock rates resulting from the division of the internal clock by 2, 4, 8, 16, 32, 64 or 128.
Table 16-1 gives the different clock rates selected by SPR2:SPR1:SPR0.
Table 16-1.
SPI Master Baud Rate Selection
SPR2
SPR1
SPR0
Clock Rate
Baud Rate Divisor (BD)
0
F
CLK PERIPH /2
2
0
1
F
CLK PERIPH /4
4
0
1
0
F
CLK PERIPH/8
8
0
1
F
CLK PERIPH /16
16
1
0
F
CLK PERIPH /32
32
1
0
1
F
CLK PERIPH /64
64
1
0
F
CLK PERIPH /128
128
1
Don’t Use
No BRG
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
dsPIC33FJ256MC510T-I/PF 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16 Bit MCU/DSP 40MIPS 256KB FLASH RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
dsPIC33FJ256MC510T-I/PT 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16 Bit MCU/DSP 40MIPS 256KB FLASH RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
dsPIC33FJ256MC710A-E/PF 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16Bit 40MIPS 256KB Flash RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
dsPIC33FJ256MC710A-E/PT 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16Bit 40MIPS 256KB Flash RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
dsPIC33FJ256MC710A-H/PF 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC 16B MCU 40MIPS 256KB FLASH RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
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