PIC18F45K80-I/P Microchip Technology, PIC18F45K80-I/P Datasheet - Page 130
PIC18F45K80-I/P
Manufacturer Part Number
PIC18F45K80-I/P
Description
MCU PIC 32KB FLASH 40DIP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheet
1.PIC18F25K80-ISO.pdf
(628 pages)
Specifications of PIC18F45K80-I/P
Core Size
8-Bit
Program Memory Size
32KB (16K x 16)
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Core Processor
PIC
Speed
64MHz
Connectivity
ECAN, I²C, LIN, SPI, UART/USART
Number Of I /o
35
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.6K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 11x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Controller Family/series
PIC18
Ram Memory Size
4KB
Cpu Speed
16MIPS
No. Of Pwm Channels
5
Embedded Interface Type
I2C, SPI, USART
Processor Series
PIC18F45K80
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
I2C, SPI, USART
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
35
Number Of Timers
5
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC18F66K80 FAMILY
6.4.3.2
In addition to the INDF operand, each FSR register pair
also has four additional indirect operands. Like INDF,
these are “virtual” registers that cannot be indirectly
read or written to. Accessing these registers actually
accesses the associated FSR register pair, but also
performs a specific action on its stored value.
These operands are:
• POSTDEC – Accesses the FSR value, then
• POSTINC – Accesses the FSR value, then
• PREINC – Increments the FSR value by ‘ 1 ’, then
• PLUSW – Adds the signed value of the W register
In this context, accessing an INDF register uses the
value in the FSR registers without changing them.
Similarly, accessing a PLUSW register gives the FSR
value, offset by the value in the W register, with neither
value actually changed in the operation. Accessing the
other virtual registers changes the value of the FSR
registers.
Operations on the FSRs with POSTDEC, POSTINC
and PREINC affect the entire register pair. Rollovers of
the FSRnL register, from FFh to 00h, carry over to the
FSRnH register. On the other hand, results of these
operations do not change the value of any flags in the
STATUS register (for example, Z, N and OV bits).
DS39977C-page 130
automatically decrements it by ‘ 1 ’ afterwards
automatically increments it by ‘ 1 ’ afterwards
uses it in the operation
(range of -127 to 128) to that of the FSR and uses
the new value in the operation
FSR Registers and POSTINC,
POSTDEC, PREINC and PLUSW
Preliminary
The PLUSW register can be used to implement a form
of Indexed Addressing in the data memory space. By
manipulating the value in the W register, users can
reach addresses that are fixed offsets from pointer
addresses. In some applications, this can be used to
implement some powerful program control structure,
such as software stacks, inside of data memory.
2011 Microchip Technology Inc.
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