PIC16F872T-I/SS Microchip Technology, PIC16F872T-I/SS Datasheet - Page 131

• Manufacturer Part Number: PIC16F872T-I/SS
• Description: IC MCU FLASH 2KX14 EE 28SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F872T-I/SS

• 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 ~ 85°C
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 14-6:
FIGURE 14-7:
TABLE 14-3:
© 2006 Microchip Technology Inc.
Parameter
Watchdog
V
Time-out
Time-out
Note: Refer to Figure 14-3 for load conditions.
DD
No.
*
†
I/O Pins
31*
33*
30
32
34
35
Internal
Internal
PWRT
MCLR
Reset
Reset
Timer
POR
OSC
V
These parameters are characterized but not tested.
Data in "Typ" column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are
not tested.
DD
T
T
T
T
T
T
Symbol
OST
MC
WDT
PWRT
IOZ
BOR
L
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER,
AND BROWN-OUT RESET REQUIREMENTS
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND
POWER-UP TIMER TIMING
BROWN-OUT RESET TIMING
MCLR Pulse Width (Low)
Watchdog Timer Time-out Period
(No Prescaler)
Oscillation Start-up Timer Period
Power up Timer Period
I/O Hi-Impedance from MCLR Low
or Watchdog Timer Reset
Brown-out Reset Pulse Width
33
Characteristic
32
V
BOR
Min
100
—
28
—
2
7
34
1024 T
Typ†
30
18
72
—
—
—
OSC
35
Max
132
2.1
33
—
—
—
Units
31
ms
ms
—
s
s
s
PIC16F872
V
V
T
V
V
OSC
DD
DD
DD
DD
= 5V, -40°C to +85°C
= 5V, -40°C to +85°C
= 5V, -40°C to +85°C
= OSC1 period
V
BOR
DS30221C-page 129
Conditions
34
(D005)