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PIC16F767-I/SP 参数 Datasheet PDF下载

PIC16F767-I/SP图片预览
型号: PIC16F767-I/SP
PDF下载: 下载PDF文件 查看货源
内容描述: 28 /40/ 44引脚, 8位CMOS闪存微控制器与10位A / D和纳瓦技术 [28/40/44-Pin, 8-Bit CMOS Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology]
分类和应用: 闪存微控制器和处理器外围集成电路光电二极管时钟
文件页数/大小: 276 页 / 4898 K
品牌: MICROCHIP [ MICROCHIP TECHNOLOGY ]
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PIC16F7X7
FIGURE 10-27:
BUS COLLISION DURING START CONDITION (SCL =
0)
SDA =
0,
SCL =
1
T
BRG
T
BRG
SDA
SCL
Set SEN, enable Start
sequence if SDA =
1,
SCL =
1
SCL =
0
before SDA =
0,
bus collision occurs. Set BCLIF.
SCL =
0
before BRG time-out,
bus collision occurs. Set BCLIF.
SEN
BCLIF
Interrupt cleared
in software
S
SSPIF
‘0’
‘0’
‘0’
‘0’
FIGURE 10-28:
BRG RESET DUE TO SDA ARBITRATION DURING START CONDITION
SDA =
0,
SCL =
1
Set S
Less than T
BRG
T
BRG
Set SSPIF
SDA
SDA pulled low by other master.
Reset BRG and assert SDA.
SCL
S
SCL pulled low after BRG
time-out
Set SEN, enable Start
sequence if SDA =
1,
SCL =
1
SEN
BCLIF
‘0’
S
SSPIF
SDA =
0,
SCL =
1,
set SSPIF
Interrupts cleared
in software
2004 Microchip Technology Inc.
DS30498C-page 129