PIC16F1826-I/MQ Microchip Technology, PIC16F1826-I/MQ Datasheet - Page 87

• Manufacturer Part Number: PIC16F1826-I/MQ
• Description: IC, 8BIT MCU, PIC16F, 32MHZ, QFN-28
• Manufacturer: Microchip Technology

Specifications of PIC16F1826-I/MQ

• Controller Family/series: PIC16F
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 256Byte
• Cpu Speed: 32MHz
• No. Of Timers: 3
• Interface: EUSART, I2C, SPI
• Core Size: 8 Bit
• Program Memory Size: 2kWords
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 8-4:
© 2009 Microchip Technology Inc.
INSTRUCTION FLOW
CLKOUT
INT pin
INTF
OSC1
GIE
Instruction
Executed
Note 1: INTF flag is sampled here (every Q1).
Instruction
Fetched
PC
2: Asynchronous interrupt latency = 3-5 T
3: CLKOUT not available in all oscillator modes.
4: For minimum width of INT pulse, refer to AC specifications in Section 29.0 “Electrical Specifications”.
5: INTF is enabled to be set any time during the Q4-Q1 cycles.
(3)
Latency is the same whether Inst (PC) is a single cycle or a 2-cycle instruction.
Q1
Inst (PC – 1)
Inst (PC)
(1)
INT PIN INTERRUPT TIMING
Q2
PC
Q3
(4)
Q4
(5)
Q1
Inst (PC + 1)
Inst (PC)
Q2
(1)
PC + 1
Q3
CY
Preliminary
. Synchronous latency = 3-4 T
Q4
Interrupt Latency
Q1
Dummy Cycle
Q2
PC + 1
—
Q3
PIC16F/LF1826/27
Q4
(2)
Q1
Dummy Cycle
CY
Inst (0004h)
, where T
Q2
0004h
Q3
CY
Q4
= instruction cycle time.
Q1
DS41391B-page 87
Inst (0005h)
Q2
Inst (0004h)
0005h
Q3
Q4