PIC17C42A-25I/PT Microchip Technology, PIC17C42A-25I/PT Datasheet - Page 109
PIC17C42A-25I/PT
Manufacturer Part Number
PIC17C42A-25I/PT
Description
IC MCU OTP 2KX16 PWM 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC17C42A-16P.pdf
(241 pages)
3.PIC17C42A-16P.pdf
(4 pages)
Specifications of PIC17C42A-25I/PT
Core Processor
PIC
Core Size
8-Bit
Speed
25MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
33
Program Memory Size
4KB (2K x 16)
Program Memory Type
OTP
Ram Size
232 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
For Use With
AC164315 - MODULE SKT MPLAB PM3 44TQFPAC174005 - MODULE SKT PROMATEII 44TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC17C42A-25I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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15.2
Each instruction cycle (Tcy) is comprised of four Q
cycles (Q1-Q4). The Q cycles provide the timing/desig-
nation for the Decode, Read, Execute, Write etc., of
each instruction cycle. The following diagram shows
the relationship of the Q cycles to the instruction cycle.
FIGURE 15-2: Q CYCLE ACTIVITY
1996 Microchip Technology Inc.
Q Cycle Activity
Tosc
Q1
Q2
Tcy1
Q3
Q4
Q1
Q2
Tcy2
Q3
The 4 Q cycles that make up an instruction cycle (Tcy)
can be generalized as:
Each instruction will show the detailed Q cycle opera-
tion for the instruction.
Q1: Instruction Decode Cycle or forced NOP
Q2: Instruction Read Cycle or NOP
Q3: Instruction Execute
Q4: Instruction Write Cycle or NOP
Q4
Q1
Q2
Tcy3
Q3
Q4
PIC17C4X
DS30412C-page 109
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