PIC16F887-I/PT Microchip Technology Inc., PIC16F887-I/PT Datasheet - Page 220

• Manufacturer Part Number: PIC16F887-I/PT
• Description: MCU, 8-Bit, 8KW Flash, 368 RAM, 36 I/O, TQFP-44
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F887-I/PT

• A/d Inputs: 14-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 256 Bytes
• Frequency: 20 MHz
• Input Output: 35
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 44-pin TFQP
• Programmable Memory: 14K Bytes
• Ram Size: 368 Bytes
• Resistance, Drain To Source On: Bytes
• Serial Interface: MSSP or EUSART
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC16F882/883/884/886/887
FIGURE 14-8:
TABLE 14-6:
DS41291D-page 218
INTCON
PIE1
PIE2
PIR1
PIR2
Legend:
INSTRUCTION FLOW
GIE bit
(INTCON<7>)
INTF flag
(INTCON<1>)
CLKOUT
INT pin
Name
OSC1
Note 1: INTF flag is sampled here (every Q1).
Instruction
Executed
Instruction
Fetched
PC
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.
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
Preliminary
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
© 2007 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