PIC16C773/JW Microchip Technology, PIC16C773/JW Datasheet - Page 92

• Manufacturer Part Number: PIC16C773/JW
• Description: IC MCU EPROM4KX14 A/D PWM 28CDIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C773/JW

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: EPROM, UV
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 6x12b
• 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: -

PIC16C77X
FIGURE 8-36: BUS COLLISION DURING START CONDITION (SCL = 0)
FIGURE 8-37: BRG RESET DUE TO SDA COLLISION DURING START CONDITION
DS30275A-page 92
SDA
SCL
SEN
BCLIF
S
SSPIF
BCLIF
S
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
’0’
SDA pulled low by other master.
Reset BRG and assert SDA
Less than T
SDA = 0, SCL = 1
SDA = 0, SCL = 1
BRG
Advance Information
T
BRG
Set SEN, enable start
sequence if SDA = 1, SCL = 1
SDA = 0, SCL = 1
Set SSPIF
S
Set S
T
BRG
T
BRG
SCL = 0 before SDA = 0,
Bus collision occurs, Set BCLIF.
Set SSPIF
SCL pulled low after BRG
Timeout
Interrupts cleared
in software.
’0’
’0’
Interrupts cleared
in software.
1999 Microchip Technology Inc.