PIC16F872-E/SS Microchip Technology, PIC16F872-E/SS Datasheet - Page 126

• 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
Figure 8-1: Interrupt Logic
DS31008A-page 8-4
ADCIE
ADCIF
PSPIE
PSPIF
EEIF
EEIE
TXIE
TXIF
TMR2IE
TMR2IF
PIR/PIE Registers
ADIE
ADIF
PBIE
PBIF
CCP1IE
TMR1IF
TMR1IE
CCP1IF
OVFIE
LCDIF
LCDIE
OVFIF
CCP2IF
CCP2IE
SSPIE
SSPIF
CMIF
CMIE
RCIF
RCIE
Note 1: This shows all current Interrupt bits (at time of manual printing) for
2: Some of the original Mid-Range devices had only one peripheral
all PICmicro Mid-Range MCUs. Which bits pertain to a specific
device is dependent upon the device type and peripherals imple-
mented. See specific device data sheet.
module. These devices do not have the PEIE bit, and have the mod-
ule enable bit in the INTCON register.
INTCON Register
PEIE
(EEIE
(ADIE
GPIF
GPIE
RBIE
INTE
RBIF
INTF
T0IE
GIE
T0IF
2
2
)
)
1997 Microchip Technology Inc.
Wake-up (If in SLEEP mode)
Interrupt to CPU
Clear GIE bit