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PIC12F1822-I/MF датащи(PDF) 226 Page - Microchip Technology

номер детали PIC12F1822-I/MF
подробное описание детали  8/14-Pin Flash Microcontrollers with nanoWatt XLP Technology
PDF  398 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC12F1822-I/MF датащи(HTML) 226 Page - Microchip Technology

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PIC12F/LF1822/16F/LF1823
DS41413A-page 226
Preliminary
 2010 Microchip Technology Inc.
The I2C interface supports the following modes and
features:
•Master mode
• Slave mode
• Byte NACKing (Slave mode)
• Limited Multi-master support
• 7-bit and 10-bit addressing
• Start and Stop interrupts
• Interrupt masking
• Clock stretching
• Bus collision detection
• General call address matching
•Address masking
• Address Hold and Data Hold modes
• Selectable SDA hold times
Figure 24-2 is a block diagram of the I2C interface mod-
ule in Master mode. Figure 24-3 is a diagram of the I2C
interface module in Slave mode.
FIGURE 24-2:
MSSP1 BLOCK DIAGRAM (I2C™ MASTER MODE)
Read
Write
SSP1SR
Start bit, Stop bit,
Start bit detect,
SSP1BUF
Internal
data bus
Set/Reset: S, P, SSP1STAT, WCOL, SSP1OV
Shift
Clock
MSb
LSb
SDA
Acknowledge
Generate (SSP1CON2)
Stop bit detect
Write collision detect
Clock arbitration
State counter for
end of XMIT/RCV
SCL
SCL in
Bus Collision
SDA in
[SSP1M 3:0]
Baud rate
Reset SEN, PEN (SSP1CON2)
generator
(SSP1ADD)
Address Match detect
Set SSP1IF, BCL1IF



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