PIC16F872-I/SO Microchip Technology, PIC16F872-I/SO Datasheet - Page 80

• Manufacturer Part Number: PIC16F872-I/SO
• Description: IC MCU FLASH 2KX14 EE 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F872-I/SO

• Program Memory Type: FLASH
• Program Memory Size: 3.5KB (2K x 14)
• Package / Case: 28-SOIC (7.5mm Width)
• 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
• 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 ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: I2C/SPI/SSP
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 3
• Operating Supply Voltage: 4 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5-ch x 10-bit
• Package: 28SOIC W
• Device Core: PIC
• Family Name: PIC16
• Maximum Speed: 20 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MIL309-1073 - ADAPTER 28-SOIC TO 28-SOIC309-1024 - ADAPTER 28-SOIC TO 28-DIP309-1023 - ADAPTER 28-SOIC TO 28-DIP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC16F872
9.3
For standard mode I
resistors R
lowing parameters:
• Supply voltage
• Bus capacitance
• Number of connected devices
The supply voltage limits the minimum value of resistor
R
at V
example, with a supply voltage of V
FIGURE 9-27:
DS30221C-page 78
p
(input current + leakage current).
, due to the specified minimum sink current of 3 mA
OL
Note:
max = 0.4V, for the specified output stages. For
Connection Considerations for I
Bus
p
and R
I
2
also connected.
C devices with input levels related to V
s
in Figure 9-27 depend on the fol-
2
SAMPLE DEVICE CONFIGURATION FOR I
C bus devices, the values of
SDA
SCL
Rp
DD
= 5V+10% and
Rp
DD
2
Rs
C
must have one common supply line to which the pull-up resistor is
V
DD
DEVICE
Rs
+ 10%
V
1.7 k
Figure 9-27. The desired noise margin of 0.1 V
the low level limits the maximum value of R
resistors are optional and used to improve ESD
susceptibility.
The bus capacitance is the total capacitance of wire,
connections, and pins. This capacitance limits the max-
imum value of R
(Figure 9-27).
The SMP bit is the slew rate control enabled bit. This bit
is in the SSPSTAT register, and controls the slew rate
of the I/O pins when in I
OL
max = 0.4V at 3 mA, R
V
2
C BUS
DD
, as a function of R
p
, due to the specified rise time
C
b
2
© 2006 Microchip Technology Inc.
=10 - 400 pF
C mode (master or slave).
p min
= (5.5-0.4)/0.003 =
p
, is shown in
s
. Series
DD
for