PIC18F87J10-I/PT Microchip Technology, PIC18F87J10-I/PT Datasheet - Page 64
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PIC18F87J10-I/PT
Manufacturer Part Number
PIC18F87J10-I/PT
Description
IC PIC MCU FLASH 64KX16 80TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F63J11-IPT.pdf
(36 pages)
3.PIC18F85J10-IPT.pdf
(410 pages)
4.PIC18F85J10-IPT.pdf
(10 pages)
5.PIC18F85J10-IPT.pdf
(10 pages)
6.PIC18F85J10-IPT.pdf
(8 pages)
7.PIC18F66J15-IPT.pdf
(400 pages)
Specifications of PIC18F87J10-I/PT
Program Memory Type
FLASH
Program Memory Size
128KB (64K x 16)
Package / Case
80-TFQFP
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
66
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 15x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3936 B
Interface Type
SPI/I2C/MSSP/EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
66
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DM183022, DV164136, DM183032, DM164120-5
Minimum Operating Temperature
- 40 C
On-chip Adc
15-ch x 10-bit
Package
80TQFP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Operating Supply Voltage
2.5|3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MA180015 - MODULE PLUG-IN 18F87J10 FOR HPCAC162062 - HEADER INTRFC MPLAB ICD2 64/80PAC164328 - MODULE SKT FOR 80TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F87J10-I/PT
Manufacturer:
Microchip Technology
Quantity:
1 837
Company:
Part Number:
PIC18F87J10-I/PT
Manufacturer:
MICROCHIP
Quantity:
12 000
Company:
Part Number:
PIC18F87J10-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F87J10-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC18F63J11-IPT PDF datasheet #2
- PIC18F85J10-IPT PDF datasheet #3
- PIC18F85J10-IPT PDF datasheet #4
- PIC18F85J10-IPT PDF datasheet #5
- PIC18F85J10-IPT PDF datasheet #6
- PIC18F66J15-IPT PDF datasheet #7
- Current page: 64 of 400
- Download datasheet (7Mb)
PIC18F87J10
5.2
5.2.1
The microcontroller clock input, whether from an
internal or external source, is internally divided by four
to generate four non-overlapping quadrature clocks
(Q1, Q2, Q3 and Q4). Internally, the program counter is
incremented on every Q1; the instruction is fetched
from the program memory and latched into the instruc-
tion register during Q4. The instruction is decoded and
executed during the following Q1 through Q4. The
clocks and instruction execution flow are shown in
Figure 5-5.
FIGURE 5-5:
EXAMPLE 5-3:
DS39663D-page 62
1. MOVLW 55h
2. MOVWF PORTB
3. BRA
4. BSF
5. Instruction @ address SUB_1
All instructions are single cycle, except for any program branches. These take two cycles since the fetch instruction
is “flushed” from the pipeline while the new instruction is being fetched and then executed.
OSC2/CLKO
(RC mode)
PIC18 Instruction Cycle
SUB_1
CLOCKING SCHEME
PORTA, BIT3 (Forced NOP)
OSC1
Q1
Q2
Q3
Q4
PC
Q1
CLOCK/INSTRUCTION CYCLE
INSTRUCTION PIPELINE FLOW
Execute INST (PC – 2)
Fetch INST (PC)
Q2
Fetch 1
T
PC
CY
Q3
0
Q4
Execute 1
Fetch 2
T
CY
1
Q1
Preliminary
Fetch INST (PC + 2)
Execute INST (PC)
Q2
Execute 2
Fetch 3
PC + 2
T
CY
2
5.2.2
An “Instruction Cycle” consists of four Q cycles, Q1
through Q4. The instruction fetch and execute are pipe-
lined in such a manner that a fetch takes one instruction
cycle, while the decode and execute takes another
instruction cycle. However, due to the pipelining, each
instruction effectively executes in one cycle. If an
instruction causes the program counter to change (e.g.,
GOTO), then two cycles are required to complete the
instruction (Example 5-3).
A fetch cycle begins with the Program Counter (PC)
incrementing in Q1.
In the execution cycle, the fetched instruction is latched
into the Instruction Register (IR) in cycle Q1. This
instruction is then decoded and executed during the
Q2, Q3 and Q4 cycles. Data memory is read during Q2
(operand read) and written during Q4 (destination
write).
Q3
Q4
Execute 3
Fetch 4
T
CY
INSTRUCTION FLOW/PIPELINING
3
Q1
Execute INST (PC + 2)
Fetch INST (PC + 4)
Fetch SUB_1 Execute SUB_1
Flush (NOP)
Q2
PC + 4
T
© 2006 Microchip Technology Inc.
CY
4
Q3
Q4
T
CY
Internal
Phase
Clock
5
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