PIC18LF45K22T-I/MV Microchip Technology, PIC18LF45K22T-I/MV Datasheet - Page 250

• Manufacturer Part Number: PIC18LF45K22T-I/MV
• Description: 32KB, Flash, 1536bytes-RAM,8-bit Family,nanoWatt XLP 40 UQFN 5x5x0.5mm T/R
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18LF45K22T-I/MV

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 64MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 30x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-UFQFN Exposed Pad
• Processor Series: PIC18LF
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1536 B
• Number Of Programmable I/os: 36
• Number Of Timers: 3 x 8-bit. 4 x 16-bit
• Operating Supply Voltage: 1.8 V to 5.5 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18(L)F2X/4XK22
FIGURE 15-34:
FIGURE 15-35:
DS41412D-page 250
SDAx
SCLx
SEN
BCLxIF
S
SSPxIF
S
BCLxIF
SSPxIF
SDAx
SCLx
SEN
BUS COLLISION DURING START CONDITION (SCLx = 0)
BRG RESET DUE TO SDA ARBITRATION DURING START CONDITION
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SDAx pulled low by other master.
Reset BRG and assert SDAx.
SCLx = 0 before BRG time-out,
bus collision occurs. Set BCLxIF.
Set SEN, enable Start
sequence if SDAx = 1, SCLx = 1
Less than T
BRG
SDAx = 0, SCLx = 1
SDAx = 0, SCLx = 1
Preliminary
SDAx = 0, SCLx = 1,
set SSPxIF
T
Set SEN, enable Start
sequence if SDAx = 1, SCLx = 1
BRG
S
Set S
T
BRG
T
BRG
Set SSPxIF
SCLx = 0 before SDAx = 0,
bus collision occurs. Set BCLxIF.
SCLx pulled low after BRG
time-out
Interrupt cleared
by software
Interrupts cleared
by software
 2010 Microchip Technology Inc.
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