PIC16F74-I/P Microchip Technology, PIC16F74-I/P Datasheet - Page 86
PIC16F74-I/P
Manufacturer Part Number
PIC16F74-I/P
Description
IC MCU FLASH 4KX14 A/D 40DIP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F818-ISO.pdf
(6 pages)
4.PIC16F73-ISP.pdf
(174 pages)
5.PIC16F73-ISP.pdf
(14 pages)
6.PIC16F73-ISP.pdf
(12 pages)
Specifications of PIC16F74-I/P
Core Size
8-Bit
Program Memory Size
7KB (4K x 14)
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Core Processor
PIC
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Number Of I /o
33
Program Memory Type
FLASH
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Controller Family/series
PIC16F
No. Of I/o's
33
Ram Memory Size
192Byte
Cpu Speed
20MHz
No. Of Timers
3
Package
40PDIP
Device Core
PIC
Family Name
PIC16
Maximum Speed
20 MHz
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
33
Interface Type
I2C/SPI/USART
On-chip Adc
8-chx8-bit
Number Of Timers
3
Processor Series
PIC16F
Core
PIC
Data Ram Size
192 B
Maximum Clock Frequency
20 MHz
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
ICE2000, DM163022
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
444-1001 - DEMO BOARD FOR PICMICRO MCU
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
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Manufacturer
Quantity
Price
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MAXIM
Quantity:
101
Company:
Part Number:
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Manufacturer:
MICROCHIP
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50
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20 000
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Manufacturer:
MIC
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50
Company:
Part Number:
PIC16F74-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F818-ISO PDF datasheet #3
- PIC16F73-ISP PDF datasheet #4
- PIC16F73-ISP PDF datasheet #5
- PIC16F73-ISP PDF datasheet #6
- Current page: 86 of 688
- Download datasheet (3Mb)
PICmicro MID-RANGE MCU FAMILY
5.2
5.3
5.4
DS31005A-page 5-4
General Instruction Format
Central Processing Unit (CPU)
Instruction Clock
The Mid-Range MCU instructions can be broken down into four general formats as shown in
Figure
opcode size is what allows 35 instructions to be implemented.
Figure 5-1: General Format for Instructions
The CPU can be thought of as the “brains” of the device. It is responsible for fetching the correct
instruction for execution, decoding that instruction, and then executing that instruction.
The CPU sometimes works in conjunction with the ALU to complete the execution of the instruc-
tion (in arithmetic and logical operations).
The CPU controls the program memory address bus, the data memory address bus, and
accesses to the stack.
Each instruction cycle (T
as the device oscillator cycle time (T
Decode, Read, Process Data, Write, etc., of each instruction cycle. The following diagram shows
the relationship of the Q cycles to the instruction cycle.
The four Q cycles that make up an instruction cycle (T
Each instruction will show a detailed Q cycle operation for the instruction.
Figure 5-2: Q Cycle Activity
Bit-oriented file register operations
Byte-oriented file register operations
Literal and control operations
General
CALL and GOTO instructions only
Q1:
Q2:
Q3:
Q4:
13
13
13
13
5-1. As can be seen the opcode for the instruction varies from 3-bits to 6-bits. This variable
Tosc
OPCODE
OPCODE
OPCODE
OPCODE
Instruction Decode Cycle or forced No operation
Instruction Read Data Cycle or No operation
Process the Data
Instruction Write Data Cycle or No operation
11
Q1
10 9
10
8
Q2
CY
b (BIT #)
d
T
7
) is comprised of four Q cycles (Q1-Q4). The Q cycle time is the same
8
CY
Q3
1
6
7
7 6
k (literal)
Q4
f (FILE #)
k (literal)
OSC
f (FILE #)
Q1
). The Q cycles provide the timing/designation for the
Q2
0
0
0
0
T
CY
Q3
2
CY
) can be generalized as:
Q4
d = 0 for destination W
d = 1 for destination f
f = 7-bit file register address
b = 3-bit bit address
f = 7-bit file register address
k = 8-bit immediate value
k = 11-bit immediate value
Q1
1997 Microchip Technology Inc.
Q2
T
CY
Q3
3
Q4
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