PIC16F876AT-E/SS Microchip Technology, PIC16F876AT-E/SS Datasheet - Page 109

• Manufacturer Part Number: PIC16F876AT-E/SS
• Description: IC MCU FLASH 8KX14 W/AD 28-SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F876AT-E/SS

• 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: 14KB (8K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 9-27:
FIGURE 9-28:
 2003 Microchip Technology Inc.
SDA
SCL
SEN
BCLIF
S
SSPIF
SDA
SCL
SEN
BCLIF
S
SSPIF
BUS COLLISION DURING START CONDITION (SCL = 0)
BRG RESET DUE TO SDA ARBITRATION DURING START CONDITION
‘0’
‘0’
SCL = 0 before BRG time-out,
bus collision occurs. Set BCLIF.
SDA pulled low by other master.
Reset BRG and assert SDA.
Set SEN, enable Start
sequence if SDA = 1, SCL = 1
Less than T
BRG
SDA = 0, SCL = 1
SDA = 0, SCL = 1
SDA = 0, SCL = 1,
set SSPIF
T
Set SEN, enable Start
sequence if SDA = 1, SCL = 1
BRG
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
PIC16F87XA
Interrupts cleared
in software
‘0’
‘0’
‘0’
DS39582B-page 107