PIC12F609-H/MD MICROCHIP [Microchip Technology], PIC12F609-H/MD Datasheet - Page 120

• Manufacturer Part Number: PIC12F609-H/MD
• Description: 8-Pin, Flash-Based 8-Bit CMOS Microcontrollers
• Manufacturer: MICROCHIP [Microchip Technology]

PIC12F609/615/617/12HV609/615
FIGURE 12-8:
TABLE 12-7:
DS41302D-page 120
INTCON
IOC
PIR1
PIE1
Legend: x = unknown, u = unchanged, – = unimplemented read as ‘0’, q = value depends upon condition.
INSTRUCTION FLOW
Name
Note 1: PIC12F615/617/HV615 only.
GIE bit
(INTCON reg.)
INTF flag
(INTCON reg.)
CLKOUT
INT pin
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
5: INTF is enabled to be set any time during the Q4-Q1 cycles.
Shaded cells are not used by the interrupt module.
Bit 7
GIE
(3)
—
—
—
is the same whether Inst (PC) is a single cycle or a 2-cycle instruction.
SUMMARY OF REGISTERS ASSOCIATED WITH INTERRUPTS
Q1
ADIF
ADIE
PEIE
Bit 6
Inst (PC – 1)
Inst (PC)
—
(1)
INT PIN INTERRUPT TIMING
Q2
PC
(1)
(1)
(4)
Q3 Q4
CCP1IE
CCP1IF
IOC5
Bit 5
T0IE
(5)
(1)
(1)
Q1
Inst (PC + 1)
Inst (PC)
INTE
IOC4
Bit 4
Q2
(1)
—
—
PC + 1
Q3 Q4
CY
. Synchronous latency = 3 T
GPIE
CMIF
CMIE
IOC3
Bit 3
Interrupt Latency
Q1
IOC2
Bit 2
T0IF
Dummy Cycle
—
—
Q2
PC + 1
—
Q3 Q4
TMR2IE
TMR2IF
Section 16.0 “Electrical Specifications”
INTF
IOC1
Bit 1
(2)
CY
, where T
(1)
(1)
Q1
Dummy Cycle
Inst (0004h)
TMR1IE -00- 0-00 -000 0-00
TMR1IF -00- 0-00 -000 0-00
GPIF
IOC0
Q2
Bit 0
0004h
CY
= instruction cycle time. Latency
Q3 Q4
 2010 Microchip Technology Inc.
0000 0000 0000 0000
--00 0000 --00 0000
POR, BOR
Value on
Q1
.
Inst (0005h)
Q2
Inst (0004h)
0005h
Value on
all other
Q3 Q4
Resets