PIC12F1822 MICROCHIP [Microchip Technology], PIC12F1822 Datasheet - Page 226

• Manufacturer Part Number: PIC12F1822
• Description: 8/14-Pin Flash Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC12F/LF1822/16F/LF1823
The I
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 I
ule in Master mode. Figure 24-3 is a diagram of the I
interface module in Slave mode.
FIGURE 24-2:
DS41413A-page 226
2
C interface supports the following modes and
SDA
SCL
MSSP1 BLOCK DIAGRAM (I
SDA in
Bus Collision
SCL in
2
C interface mod-
Read
MSb
Generate (SSP1CON2)
Address Match detect
Preliminary
Write collision detect
2
end of XMIT/RCV
Start bit, Stop bit,
State counter for
Clock arbitration
C
Start bit detect,
Stop bit detect
Acknowledge
SSP1BUF
SSP1SR
2
C™ MASTER MODE)
LSb
Write
Clock
Shift
data bus
Internal
Set/Reset: S, P, SSP1STAT, WCOL, SSP1OV
Reset SEN, PEN (SSP1CON2)
Set SSP1IF, BCL1IF
 2010 Microchip Technology Inc.
[SSP1M 3:0]
Baud rate
generator
(SSP1ADD)