PIC16C64-20I/P Microchip Technology, PIC16C64-20I/P Datasheet - Page 66
![IC MCU 2K 20MHZ OTP IT 40DIP](/photos/6/61/66192/150-40-dip_sml.jpg)
PIC16C64-20I/P
Manufacturer Part Number
PIC16C64-20I/P
Description
IC MCU 2K 20MHZ OTP IT 40DIP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Specifications of PIC16C64-20I/P
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
33
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
OTP
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
Eeprom Size
-
Data Converters
-
- Current page: 66 of 337
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PIC16C6X
FIGURE 7-3:
FIGURE 7-4:
DS30234D-page 66
Instruction
PC
(Program
Counter)
Fetch
Instruction
Execute
TMR0
INSTRUCTION
FLOW
GIE bit
(INTCON<7>)
T0IF bit
(INTCON<2>)
Instruction
fetched
Instruction
executed
Timer0
CLKOUT(3)
OSC1
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
PC
T0
Note 1: Interrupt flag bit T0IF is sampled here (every Q1).
PC-1
TIMER0 TIMING: INTERNAL CLOCK/PRESCALE 1:2
TMR0 INTERRUPT TIMING
Q1
2: Interrupt latency = 4Tcy where Tcy = instruction cycle time.
3: CLKOUT is available only in RC oscillator mode.
FEh
Inst (PC)
Inst (PC-1)
Q2
1
PC
MOVWF TMR0
Q3
PC
T0+1
Q4
MOVF TMR0,W MOVF TMR0,W MOVF TMR0,W
Q1
Write TMR0
executed
FFh
PC+1
Inst (PC+1)
Inst (PC)
Q2
1
PC +1
Q3
Read TMR0
reads NT0
Q4
PC+2
Q1
00h
Dummy cycle
Q2
Read TMR0
reads NT0
PC +1
PC+3
Q3
NT0
Q4
MOVF TMR0,W
Read TMR0
reads NT0
Q1
PC+4
01h
Dummy cycle
Inst (0004h)
Q2
0004h
MOVF TMR0,W
Q3
Read TMR0
reads NT0
1997 Microchip Technology Inc.
PC+5
Q4
Q1
Read TMR0
reads NT0 + 1
02h
NT0+1
Inst (0004h)
Inst (0005h)
PC+6
Q2
0005h
Q3
Q4
T0
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