PIC16F872-E/SS Microchip Technology, PIC16F872-E/SS Datasheet - Page 311

• Manufacturer Part Number: PIC16F872-E/SS
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,28PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F872-E/SS

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 128 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
• Package: 28SSOP
• Device Core: PIC
• Family Name: PIC16
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 22
• Interface Type: I2C/SPI
• On-chip Adc: 5-chx10-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

17.4.10.1 WCOL Status Flag
1997 Microchip Technology Inc.
If the user writes the SSPBUF when a Repeated Start sequence is in progress, then WCOL is
set and the contents of the buffer are unchanged (the write doesn’t occur).
Figure 17-22: Repeat Start Condition Waveform
Note:
Falling edge of ninth clock
SDA
SCL
Because queueing of events is not allowed, writing of the lower 5 bits of SSPCON2
is disabled until the Repeated Start condition is complete.
End of Xmit
Write to SSPCON2
occurs here.
SDA = 1,
SCL(no change)
Preliminary
T
SDA = 1,
SCL = 1
BRG
T
BRG
Section 17. MSSP
Sr = Repeated Start
T
BRG
At completion of start bit,
hardware clear RSEN bit
Set S (SSPSTAT<3>)
and set SSPIF
Write to SSPBUF occurs here.
T
BRG
1st Bit
T
BRG
DS31017A-page 17-35
17