PIC16F884-E/ML Microchip Technology, PIC16F884-E/ML Datasheet - Page 207

• Manufacturer Part Number: PIC16F884-E/ML
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,44PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F884-E/ML

• Rohs Compliant: YES
• 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: 35
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 13-22:
FIGURE 13-23:
© 2009 Microchip Technology Inc.
SDA
SCL
SEN
BCLIF
S
SSPIF
SDA
SCL
SEN
BCLIF
S
SSPIF
BUS COLLISION DURING START CONDITION (SCL = 0)
‘0’
‘0’
BRG RESET DUE TO SDA ARBITRATION DURING START CONDITION
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
PIC16F882/883/884/886/887
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
Interrupts cleared
in software
‘0’
‘0’
‘0’
DS41291F-page 205