PIC12CE674-04E/P Microchip Technology, PIC12CE674-04E/P Datasheet - Page 40

• Manufacturer Part Number: PIC12CE674-04E/P
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,DIP,8PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 12Cr

Specifications of PIC12CE674-04E/P

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 5
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: OTP
• Eeprom Size: 16 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 4x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 8-DIP (0.300", 7.62mm)
• Processor Series: PIC12C
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Maximum Clock Frequency: 4 MHz
• Number Of Programmable I/os: 5
• Number Of Timers: 8
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Connectivity: -
• Lead Free Status / Rohs Status: Details

PIC12C67X
FIGURE 7-3:
FIGURE 7-4:
DS30561B-page 40
Instruction
PC
(Program
Counter)
Fetch
Instruction
Execute
TMR0
OSC1
CLKOUT
Timer0
T0IF bit
(INTCON<2>)
GIE bit
(INTCON<7>)
INSTRUCTION
FLOW
Note 1:
Instruction
fetched
Instruction
executed
2:
3:
(3)
PC
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
Interrupt flag bit T0IF is sampled here (every Q1).
Interrupt latency = 3T
CLKOUT is available only in the INTRC and EXTRC oscillator modes.
T0
Q1
PC-1
TIMER0 TIMING: INTERNAL CLOCK/PRESCALE 1:2
TIMER0 INTERRUPT TIMING
FEh
Inst (PC)
Inst (PC-1)
Q2
1
PC
MOVWF TMR0 MOVF TMR0,WMOVF TMR0,WMOVF TMR0,WMOVF TMR0,WMOVF TMR0,W
Q3
PC
T0+1
Q4
CY
where T
Q1
FFh
Write TMR0
executed
Inst (PC+1)
PC+1
Inst (PC)
Q2
1
PC +1
CY
= instruction cycle time.
Q3
Read TMR0
reads NT0
Q4
PC+2
Q1
Interrupt Latency
00h
Dummy cycle
Q2
PC +1
Read TMR0
reads NT0
PC+3
Q3
NT0
(2)
Q4
Read TMR0
reads NT0
Q1
PC+4
01h
Dummy cycle
Inst (0004h)
Q2
0004h
Q3
Read TMR0
reads NT0
1999 Microchip Technology Inc.
PC+5
Q4
Q1
02h
Read TMR0
reads NT0 + 1
Inst (0004h)
Inst (0005h)
NT0+1
Q2
0005h
PC+6
Q3
Q4