SSPCON1: MSSP CONTROL REGISTER 1 (I" />
參數(shù)資料
型號: ENC624J600T-I/PT
廠商: Microchip Technology
文件頁數(shù): 77/168頁
文件大?。?/td> 0K
描述: IC ETHERNET CTRLR W/SPI 64-TQFP
視頻文件: Fast 100 Mbps Ethernet PICtail Plus Overview
標(biāo)準(zhǔn)包裝: 1,200
控制器類型: 以太網(wǎng)控制器(IEEE 802.3)
接口: SPI
電源電壓: 3 V ~ 3.6 V
電流 - 電源: 96mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-TQFP
供應(yīng)商設(shè)備封裝: 64-TQFP(10x10)
包裝: 帶卷 (TR)
配用: AC164132-ND - BOARD DAUGHTER PICTAIL ETHERNET
PIC18F2220/2320/4220/4320
DS39599G-page 166
2007 Microchip Technology Inc.
REGISTER 17-4:
SSPCON1: MSSP CONTROL REGISTER 1 (I2C MODE)
R/W-0
WCOL
SSPOV
SSPEN(1)
CKP
SSPM3(2)
SSPM2(2)
SSPM1(2)
SSPM0(2)
bit 7
bit 0
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
bit 7
WCOL: Write Collision Detect bit
In Master Transmit mode:
1 = A write to the SSPBUF register was attempted while the I2C conditions were not valid for a
transmission to be started (must be cleared in software)
0 = No collision
In Slave Transmit mode:
1 = The SSPBUF register is written while it is still transmitting the previous word (must be cleared in
software)
0 = No collision
In Receive mode (Master or Slave modes):
This is a “don’t care” bit.
bit 6
SSPOV: Receive Overflow Indicator bit
In Receive mode:
1 = A byte is received while the SSPBUF register is still holding the previous byte (must be cleared in
software)
0 = No overflow
In Transmit mode:
This is a “don’t care” bit in Transmit mode.
bit 5
SSPEN: Master Synchronous Serial Port Enable bit(1)
1 = Enables the serial port and configures the SDA and SCL pins as the serial port pins
0 = Disables serial port and configures these pins as I/O port pins
bit 4
CKP: SCK Release Control bit
In Slave mode:
1 = Release clock
0 = Holds clock low (clock stretch), used to ensure data setup time
In Master mode:
Unused in this mode.
bit 3-0
SSPM3:SSPM0: Master Synchronous Serial Port Mode Select bits(2)
1111 = I2C Slave mode, 10-bit address with Start and Stop bit interrupts enabled
1110 = I2C Slave mode, 7-bit address with Start and Stop bit interrupts enabled
1011 = I2C Firmware Controlled Master mode (slave Idle)
1000 = I2C Master mode, clock = FOSC/(4 * (SSPADD + 1))
0111 = I2C Slave mode, 10-bit address(2)
0110 = I2C Slave mode, 7-bit address(2)
Note 1:
When enabled, the SDA and SCL pins must be properly configured as input or output.
2:
Bit combinations not specifically listed here are either reserved or implemented in SPI mode only.
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