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

IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,44PIN,PLASTIC

PIC16F884-E/ML

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

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