PIC18F26K80-I/SO Microchip Technology Inc., PIC18F26K80-I/SO Datasheet - Page 525
PIC18F26K80-I/SO
Manufacturer Part Number
PIC18F26K80-I/SO
Description
IC, MCU, nanoWatt; 8-bit w/ECAN; Flash, 64KB; 16MIPS; 8-ch, 12-BIT A/D; SOIC-28
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F46K80-IPT.pdf
(628 pages)
Specifications of PIC18F26K80-I/SO
A/d Inputs
8-Channel, 12-Bit
Comparators
2
Cpu Speed
16 MIPS
Eeprom Memory
256 Bytes
Input Output
24
Interface
I2C/SPI/UART/USART
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin SOIC
Programmable Memory
64K Bytes
Ram Size
3.6K Bytes
Speed
64 MHz
Temperature Range
–40 to 125 °C
Timers
2-8-bit, 3-16-bit
Voltage, Range
1.8-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F26K80-I/SO
Manufacturer:
Microchip Technology
Quantity:
135
Part Number:
PIC18F26K80-I/SO
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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TBLRD
Syntax:
Operands:
Operation:
Status Affected: None
Encoding:
Description:
Words:
Cycles:
2011 Microchip Technology Inc.
Q Cycle Activity:
operation
Decode
No
Q1
(Read Program
Table Read
TBLRD ( *; *+; *-; +*)
None
if TBLRD *,
(Prog Mem (TBLPTR)) TABLAT;
TBLPTR – No Change
if TBLRD *+,
(Prog Mem (TBLPTR)) TABLAT;
(TBLPTR) + 1 TBLPTR
if TBLRD *-,
(Prog Mem (TBLPTR)) TABLAT;
(TBLPTR) – 1 TBLPTR
if TBLRD +*,
(TBLPTR) + 1 TBLPTR;
(Prog Mem (TBLPTR)) TABLAT
This instruction is used to read the contents
of Program Memory (P.M.). To address the
program memory, a pointer called Table
Pointer (TBLPTR) is used.
The TBLPTR (a 21-bit pointer) points to
each byte in the program memory. TBLPTR
has a 2-Mbyte address range.
The TBLRD instruction can modify the value
of TBLPTR as follows:
• no change
• post-increment
• post-decrement
• pre-increment
1
2
No operation
TBLPTR<0> = 0 : Least Significant Byte of
TBLPTR<0> = 1 : Most Significant Byte of
operation
Memory)
0000
No
Q2
0000
operation
operation
Program Memory Word
Program Memory Word
No
No
Q3
0000
No operation
operation
TABLAT)
(Write
No
nn=0 *
Q4
10nn
=1 *+
=2 *-
=3 +*
Preliminary
PIC18F66K80 FAMILY
TBLRD
Example 1:
Example 2:
Before Instruction
After Instruction
Before Instruction
After Instruction
TABLAT
TBLPTR
MEMORY(00A356h)
TABLAT
TBLPTR
TABLAT
TBLPTR
MEMORY(01A357h)
MEMORY(01A358h)
TABLAT
TBLPTR
Table Read (Continued)
TBLRD
TBLRD
*+ ;
+* ;
=
=
=
=
=
=
=
=
=
=
=
DS39977C-page 525
55h
00A356h
34h
34h
00A357h
AAh
01A357h
12h
34h
34h
01A358h
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