PIC18C658/CL Microchip Technology, PIC18C658/CL Datasheet - Page 164

• Manufacturer Part Number: PIC18C658/CL
• Description: IC MCU OTP 16KX16 CAN 68-PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 18Cr

Specifications of PIC18C658/CL

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 52
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: OTP
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 68-PLCC
• For Use With: AC164308 - MODULE SKT FOR PM3 68PLCCDVA18PQ640 - DEVICE ADAPT PIC18C658 64-TQFP
• Lead Free Status / RoHS Status: Request inventory verification / Request inventory verification
• Eeprom Size: -
• Other names: Q1068347

PIC18CXX8
FIGURE 15-22: BUS COLLISION DURING START CONDITION (SCL = 0)
FIGURE 15-23: BRG RESET DUE TO SDA ARBITRATION DURING START CONDITION
DS30475A-page 164
SDA
SCL
SEN
S
BCLIF
SSPIF
S
BCLIF
SSPIF
SDA
SCL
SEN
’0’
’0’
SCL = 0 before BRG time-out,
Bus collision occurs, set BCLIF
Set SEN, enable START
sequence if SDA = 1, SCL = 1
SDA pulled low by other master
Reset BRG and assert SDA
Less than T
BRG
SDA = 0, SCL = 1
SDA = 0, SCL = 1
Advanced Information
T
BRG
SDA = 0, SCL = 1
Set SSPIF
Set SEN, enable START
sequence if SDA = 1, SCL = 1
S
Set S
T
BRG
T
BRG
SCL = 0 before SDA = 0,
Bus collision occurs, set BCLIF
Set SSPIF
SCL pulled low after BRG
Time-out
Interrupt cleared
in software
’0’
’0’
Interrupts cleared
in software
 2000 Microchip Technology Inc.
’0’