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参数资料
型号： PIC16LF818T-I/SS
元件分类： 微控制器/微处理器
英文描述： 8-BIT, FLASH, 10 MHz, RISC MICROCONTROLLER, PDSO20
封装： 0.209 INCH, PLASTIC, MO-150, SSOP-20
文件页数： 150/176页
文件大小： 3124K
代理商： PIC16LF818T-I/SS
2004 Microchip Technology Inc.
DS39598E-page 73
PIC16F818/819
REGISTER 10-2:
SSPCON: SYNCHRONOUS SERIAL PORT CONTROL REGISTER 1 (ADDRESS 14h)
R/W-0
WCOL
SSPOV
SSPEN
CKP
SSPM3
SSPM2
SSPM1
SSPM0
bit 7
bit 0
bit 7
WCOL: Write Collision Detect bit
1
= An attempt to write the SSPBUF register failed because the SSP module is busy
(must be cleared in software)
0
= No collision
bit 6
SSPOV: Receive Overflow Indicator bit
In SPI mode:
1
= A new byte is received while the SSPBUF register is still holding the previous data. In case
of overflow, the data in SSPSR is lost. Overflow can only occur in Slave mode. The user
must read the SSPBUF, even if only transmitting data, to avoid setting overflow. In Master
mode, the overflow bit is not set since each new reception (and transmission) is initiated by
writing to the SSPBUF register.
0
= No overflow
In I2C mode:
1
= A byte is received while the SSPBUF register is still holding the previous byte. SSPOV is a
“don’t care” in Transmit mode. SSPOV must be cleared in software in either mode.
0
= No overflow
bit 5
SSPEN: Synchronous Serial Port Enable bit(1)
In SPI mode:
1
= Enables serial port and configures SCK, SDO and SDI as serial port pins
0
= Disables serial port and configures these pins as I/O port pins
In I2C mode:
1
= Enables the serial port and configures the SDA and SCL pins as serial port pins
0
= Disables serial port and configures these pins as I/O port pins
Note 1: In both modes, when enabled, these pins must be properly configured as input or
output.
bit 4
CKP: Clock Polarity Select bit
In SPI mode:
1
= Transmit happens on falling edge, receive on rising edge. Idle state for clock is a high level.
0
= Transmit happens on rising edge, receive on falling edge. Idle state for clock is a low level.
In I2C Slave mode:
SCK release control.
1
= Enable clock
0
= Holds clock low (clock stretch). (Used to ensure data setup time.)
bit 3-0
SSPM<3:0>: Synchronous Serial Port Mode Select bits
0000
= SPI Master mode, clock = OSC/4
0001
= SPI Master mode, clock = OSC/16
0010
= SPI Master mode, clock = OSC/64
0011
= SPI Master mode, clock = TMR2 output/2
0100
= SPI Slave mode, clock = SCK pin. SS pin control enabled.
0101
= SPI Slave mode, clock = SCK pin. SS pin control disabled. SS can be used as I/O pin.
0110
=I2C Slave mode, 7-bit address
0111
=I2C Slave mode, 10-bit address
1011
=I2C Firmware Controlled Master mode (Slave Idle)
1110
=I2C Slave mode, 7-bit address with Start and Stop bit interrupts enabled
1111
=I2C Slave mode, 10-bit address with Start and Stop bit interrupts enabled
1000, 1001, 1010, 1100, 1101
= Reserved
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
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PIC16LF819-I/P 功能描述:8位微控制器 -MCU 3.5KB 256 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
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