PIC16F872-E/SS Microchip Technology, PIC16F872-E/SS Datasheet - Page 318

• 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

PICmicro MID-RANGE MCU FAMILY
DS31017A-page 17-42
Figure 17-27: Master Receiver Flowchart
Preliminary
Move contents of SSPSR
No
Shift data into SSPSR
= Num_Clocks + 1
Num_Clocks = 0,
SSPADD<6:0>,
SSPADD<6:0>,
Load BRG with
Force SCL=0,
Load BRG w/
Force SCL = 0,
Release SDA
Release SCL
Sample SDA,
into SSPBUF,
Num_Clocks
Num_Clocks
Clear RCEN.
start count
start count.
RCEN = 1
Set SSPIF,
Idle mode
SCL = 1?
rollover?
rollover?
Set BF.
BRG
BRG
= 8?
Yes
Yes
Yes
Yes
No
No
No
(Clock Arbitration)
SCL = 0?
1997 Microchip Technology Inc.
Yes
No