PIC16F884-E/ML Microchip Technology, PIC16F884-E/ML Datasheet - Page 224

• Manufacturer Part Number: PIC16F884-E/ML
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,44PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F884-E/ML

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F882/883/884/886/887
FIGURE 14-8:
TABLE 14-6:
DS41291F-page 222
INTCON
PIE1
PIE2
PIR1
PIR2
Legend:
INSTRUCTION FLOW
(INTCON<7>)
(INTCON<1>)
CLKOUT
Name
Note 1: INTF flag is sampled here (every Q1).
Instruction
Executed
Instruction
Fetched
INTF flag
INT pin
GIE bit
OSC1
2: Asynchronous interrupt latency = 3-4 T
3: CLKOUT is available only in INTOSC and RC Oscillator modes.
4: For minimum width of INT pulse, refer to AC specifications in Section 17.0 “Electrical Specifications”.
5: INTF is enabled to be set any time during the Q4-Q1 cycles.
PC
x = unknown, u = unchanged, — = unimplemented read as ‘0’, q = value depends upon condition.
Shaded cells are not used by the Interrupt module.
(3)
is the same whether Inst (PC) is a single cycle or a 2-cycle instruction.
OSFIE
OSFIF
Bit 7
GIE
—
—
SUMMARY OF INTERRUPT REGISTERS
Q1
Inst (PC – 1)
Inst (PC)
(1)
INT PIN INTERRUPT TIMING
Q2
PC
PEIE
ADIE
C2IE
ADIF
Bit 6
C2IF
(4)
Q3
Q4
(5)
RCIE
RCIF
Bit 5
C1IE
C1IF
T0IE
Q1
Inst (PC + 1)
Inst (PC)
Q2
(1)
INTE
EEIE
Bit 4
TXIE
TXIF
EEIF
PC + 1
Q3
CY
. Synchronous latency = 3 T
Q4
SSPIE
BCLIE
SSPIF
BCLIF
RBIE
Bit 3
Interrupt Latency
Q1
Dummy Cycle
ULPWUIE
ULPWUIF
Q2
CCP1IE
CCP1IF
PC + 1
Bit 2
T0IF
—
Q3
Q4
(2)
TMR2IE
TMR2IF
Bit 1
INTF
CY
—
—
, where T
Q1
Dummy Cycle
Inst (0004h)
Q2
TMR1IE
CCP2IE
TMR1IF
CCP2IF
0004h
Bit 0
RBIF
CY
= instruction cycle time. Latency
Q3
© 2009 Microchip Technology Inc.
Q4
0000 000x
-000 0000
0000 00-0
-000 0000
0000 00-0
POR, BOR
Value on
Q1
Inst (0005h)
Q2
Inst (0004h)
0005h
0000 000x
-000 0000
0000 00-0
-000 0000
0000 00-0
Q3
Value on
all other
Resets
Q4