参数资料
型号: DSPIC33FJ256MC510T-I/PT
厂商: Microchip Technology
文件页数: 103/136页
文件大小: 0K
描述: IC DSPIC MCU/DSP 256K 100TQFP
产品培训模块: Asynchronous Stimulus
标准包装: 1,200
系列: dsPIC™ 33F
核心处理器: dsPIC
芯体尺寸: 16-位
速度: 40 MIP
连通性: CAN,I²C,IrDA,LIN,SPI,UART/USART
外围设备: 欠压检测/复位,DMA,电机控制 PWM,QEI,POR,PWM,WDT
输入/输出数: 85
程序存储器容量: 256KB(256K x 8)
程序存储器类型: 闪存
RAM 容量: 16K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
数据转换器: A/D 24x10b/12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 100-TQFP
包装: 带卷 (TR)
配用: MA330013-ND - MODULE PLUG-IN DSPIC33 100TQFP
DV164033-ND - KIT START EXPLORER 16 MPLAB ICD2
DM240001-ND - BOARD DEMO PIC24/DSPIC33/PIC32
69
4235K–8051–05/08
AT89C51RD2/ED2
Serial Peripheral data transfer flag, SPIF: This bit is set by hardware when a transfer has been
completed. SPIF bit generates transmitter CPU interrupt requests.
Mode Fault flag, MODF: This bit becomes set to indicate that the level on the SS is inconsistent
with the mode of the SPI. MODF with SSDIS reset, generates receiver/error CPU interrupt
requests. When SSDIS is set, no MODF interrupt request is generated.
Figure 16-7 gives a logical view of the above statements.
Figure 16-7. SPI Interrupt Requests Generation
16.3.5
Registers
There are three registers in the Module that provide control, status and data storage functions. These registers are
describes in the following paragraphs.
16.3.5.1
Serial Peripheral Control Register (SPCON)
The Serial Peripheral Control Register does the following:
Selects one of the Master clock rates
Configure the SPI Module as Master or Slave
Selects serial clock polarity and phase
Enables the SPI Module
Frees the SS pin for a general-purpose
Table 16-3 describes this register and explains the use of each bit
Table 16-3.
SPCON Register
SPCON - Serial Peripheral Control Register (0C3H)
SSDIS
MODF
CPU Interrupt Request
SPI Receiver/error
CPU Interrupt Request
SPI Transmitter
SPI
CPU Interrupt Request
SPIF
7
6
5
4
3
2
1
0
SPR2
SPEN
SSDIS
MSTR
CPOL
CPHA
SPR1
SPR0
Bit Number
Bit Mnemonic
Description
7
SPR2
Serial Peripheral Rate 2
Bit with SPR1 and SPR0 define the clock rate.
6
SPEN
Serial Peripheral Enable
Cleared to disable the SPI interface.
Set to enable the SPI interface.
5
SSDIS
SS Disable
Cleared to enable SS in both Master and Slave modes.
Set to disable SS in both Master and Slave modes. In Slave mode, this bit
has no effect if CPHA =’0’. When SSDIS is set, no MODF interrupt request
is generated
.
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