PIC18LF24K22-I/SS Microchip Technology, PIC18LF24K22-I/SS Datasheet - Page 252
![IC PIC MCU 16KB FLASH 28SSOP](/photos/19/6/190632/4696165_sml.jpg)
PIC18LF24K22-I/SS
Manufacturer Part Number
PIC18LF24K22-I/SS
Description
IC PIC MCU 16KB FLASH 28SSOP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Specifications of PIC18LF24K22-I/SS
Core Size
8-Bit
Program Memory Size
16KB (8K x 16)
Core Processor
PIC
Speed
64MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 19x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SSOP (0.200", 5.30mm Width)
Controller Family/series
PIC18
No. Of I/o's
25
Eeprom Memory Size
256Byte
Ram Memory Size
768Byte
Cpu Speed
64MHz
No. Of Timers
7
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC18(L)F2X/4XK22
15.6.13.3
Bus collision occurs during a Stop condition if:
a)
b)
FIGURE 15-38:
FIGURE 15-39:
DS41412D-page 252
After the SDAx pin has been deasserted and
allowed to float high, SDAx is sampled low after
the BRG has timed out.
After the SCLx pin is deasserted, SCLx is
sampled low before SDAx goes high.
SDAx
SCLx
PEN
BCLxIF
P
SSPxIF
SDAx
SCLx
PEN
BCLxIF
P
SSPxIF
Bus Collision During a Stop
Condition
BUS COLLISION DURING A STOP CONDITION (CASE 1)
BUS COLLISION DURING A STOP CONDITION (CASE 2)
SDAx asserted low
Assert SDAx
T
BRG
T
BRG
Preliminary
T
BRG
T
BRG
The Stop condition begins with SDAx asserted low.
When SDAx is sampled low, the SCLx pin is allowed to
float. When the pin is sampled high (clock arbitration),
the Baud Rate Generator is loaded with SSPxADD and
counts down to 0. After the BRG times out, SDAx is
sampled. If SDAx is sampled low, a bus collision has
occurred. This is due to another master attempting to
drive a data ‘0’
sampled low before SDAx is allowed to float high, a bus
collision occurs. This is another case of another master
attempting to drive a data ‘0’
SCLx goes low before SDAx goes high,
set BCLxIF
T
BRG
T
BRG
(Figure
2010 Microchip Technology Inc.
15-37). If the SCLx pin is
(Figure
SDAx sampled
low after T
set BCLxIF
’0’
’0’
’0’
’0’
15-38).
BRG
,
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