PIC12C671/JW Microchip Technology, PIC12C671/JW Datasheet - Page 63

• Manufacturer Part Number: PIC12C671/JW
• Description: IC MCU EPROM 1KX14 A/D 8CDIP
• Manufacturer: Microchip Technology
• Series: PIC® 12Cr

Specifications of PIC12C671/JW

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 10MHz
• Peripherals: POR, WDT
• Number Of I /o: 5
• Program Memory Size: 1.75KB (1K x 14)
• Program Memory Type: EPROM, UV
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 4x8b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-CDIP (0.300", 7.62mm) Window
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Connectivity: -

FIGURE 9-14: INT PIN INTERRUPT TIMING
1999 Microchip Technology Inc.
Note 1: INTF flag is sampled here (every Q1).
OSC1
CLKOUT
INT pin
INTF flag
(INTCON<1>)
GIE bit
(INTCON<7>)
INSTRUCTION FLOW
Instruction
fetched
Instruction
executed
2: Interrupt latency = 3-4 T
3: CLKOUT is available only in INTRC and EXTRC oscillator modes.
4: For minimum width of INT pulse, refer to AC specs.
5: INTF is enabled to be set anytime during the Q4-Q1 cycles.
PC
Latency is the same whether Inst (PC) is a single cycle or a 2-cycle instruction.
3
Q1
Inst (PC-1)
Inst (PC)
1
Q2
PC
Q3
4
CY
Q4
5
where T
Q1
Inst (PC+1)
Inst (PC)
CY
Q2
1
= instruction cycle time.
PC+1
Q3
Q4
Interrupt Latency
Q1
Dummy Cycle
Q2
PC+1
—
Q3
Q4
2
Q1
Dummy Cycle
Inst (0004h)
Q2
0004h
Q3
PIC12C67X
Q4
Q1
DS30561B-page 63
Inst (0005h)
Q2
Inst (0004h)
0005h
Q3
Q4