PIC18C242/JW Microchip Technology, PIC18C242/JW Datasheet - Page 148

• Manufacturer Part Number: PIC18C242/JW
• Description: IC MCU EPROM 8KX16 A/D 28CDIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Cr

Specifications of PIC18C242/JW

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: EPROM, UV
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-CDIP (0.300", 7.62mm) Window
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

PIC18CXX2
FIGURE 14-25:
FIGURE 14-26:
DS39026C-page 146
SDA
SCL
SEN
S
BCLIF
SSPIF
S
BCLIF
SSPIF
SDA
SCL
SEN
BUS COLLISION DURING START CONDITION (SCL = 0)
BRG RESET DUE TO SDA ARBITRATION DURING START CONDITION
’0’
’0’
SDA pulled low by other master.
Reset BRG and assert SDA.
SCL = 0 before BRG time-out,
Bus collision occurs, set BCLIF
Set SEN, enable START
sequence if SDA = 1, SCL = 1
Less than T
BRG
SDA = 0, SCL = 1
SDA = 0, SCL = 1
T
SDA = 0, SCL = 1
Set SSPIF
BRG
Set SEN, enable START
sequence if SDA = 1, SCL = 1
S
Set S
T
BRG
T
BRG
Set SSPIF
SCL = 0 before SDA = 0,
Bus collision occurs, set BCLIF
SCL pulled low after BRG
Time-out
Interrupt cleared
in software
’0’
’0’
Interrupts cleared
in software
’0’
2001 Microchip Technology Inc.