PIC18LF2321-I/SS Microchip Technology, PIC18LF2321-I/SS Datasheet - Page 313
![IC PIC MCU FLASH 4KX16 28SSOP](/photos/6/81/68119/150-28-ssop_sml.jpg)
PIC18LF2321-I/SS
Manufacturer Part Number
PIC18LF2321-I/SS
Description
IC PIC MCU FLASH 4KX16 28SSOP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2221-ISO.pdf
(402 pages)
3.PIC18F2221-ISO.pdf
(8 pages)
4.PIC18F2221-ISO.pdf
(30 pages)
5.PIC18F2221-ISO.pdf
(46 pages)
6.PIC18F2321-IML.pdf
(396 pages)
Specifications of PIC18LF2321-I/SS
Core Size
8-Bit
Program Memory Size
8KB (4K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
25
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SSOP
Controller Family/series
PIC18
No. Of I/o's
25
Eeprom Memory Size
256Byte
Ram Memory Size
512Byte
Cpu Speed
40MHz
No. Of Timers
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2221-ISO PDF datasheet #3
- PIC18F2221-ISO PDF datasheet #4
- PIC18F2221-ISO PDF datasheet #5
- PIC18F2321-IML PDF datasheet #6
- Current page: 313 of 396
- Download datasheet (7Mb)
TBLRD
Syntax:
Operands:
Operation:
Status Affected: None
Encoding:
Description:
Words:
Cycles:
© 2007 Microchip Technology Inc.
Q Cycle Activity:
operation
Decode
Q1
No
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
(Read Program
No operation
0000
operation
Memory)
TBLPTR[0] = 0:
TBLPTR[0] = 1:
Q2
No
0000
operation
operation
Q3
No
No
of Program Memory
Word
of Program Memory
Word
Least Significant Byte
Most Significant Byte
0000
(Write TABLAT)
No operation
operation
nn=0 *
10nn
Q4
No
=1 *+
=2 *-
=3 +*
Preliminary
TBLRD
Example 1:
Example 2:
PIC18F4321 FAMILY
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
*+ ;
+* ;
=
=
=
=
=
=
=
=
=
=
=
DS39689E-page 311
55h
00A356h
34h
34h
00A357h
AAh
01A357h
12h
34h
34h
01A358h
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