PIC18F242-I/SO Microchip Technology, PIC18F242-I/SO Datasheet - Page 60
![IC MCU FLASH 8KX16 EE A/D 28SOIC](/photos/6/59/65909/150-28-soic_sml.jpg)
PIC18F242-I/SO
Manufacturer Part Number
PIC18F242-I/SO
Description
IC MCU FLASH 8KX16 EE A/D 28SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F242-ISO.pdf
(332 pages)
3.PIC18F242-ISO.pdf
(14 pages)
4.PIC18F242-ISO.pdf
(16 pages)
5.PIC18F242-ISO.pdf
(16 pages)
6.PIC18F242-ISO.pdf
(14 pages)
7.PIC18F452-EP.pdf
(332 pages)
Specifications of PIC18F242-I/SO
Program Memory Type
FLASH
Program Memory Size
16KB (8K x 16)
Package / Case
28-SOIC (7.5mm Width)
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
23
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
MSSP/SPI/I2C/PSP/USART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
23
Number Of Timers
4
Operating Supply Voltage
2 V to 5.5 V
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, ICE2000, ICE4000, DM163022, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
5-ch x 10-bit
Package
28SOIC W
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MIL
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
PIC18F242I/SO
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F242-I/SO
Manufacturer:
SKYWORKSS
Quantity:
101
- PIC16F616T-ISL PDF datasheet
- PIC18F242-ISO PDF datasheet #2
- PIC18F242-ISO PDF datasheet #3
- PIC18F242-ISO PDF datasheet #4
- PIC18F242-ISO PDF datasheet #5
- PIC18F242-ISO PDF datasheet #6
- PIC18F452-EP PDF datasheet #7
- Current page: 60 of 332
- Download datasheet (6Mb)
PIC18FXX2
5.2.2
The Table Latch (TABLAT) is an 8-bit register mapped
into the SFR space. The Table Latch is used to hold
8-bit data during data transfers between program
memory and data RAM.
5.2.3
The Table Pointer (TBLPTR) addresses a byte within
the program memory. The TBLPTR is comprised of
three SFR registers: Table Pointer Upper Byte, Table
Pointer High Byte and Table Pointer Low Byte
(TBLPTRU:TBLPTRH:TBLPTRL). These three regis-
ters join to form a 22-bit wide pointer. The low order 21
bits allow the device to address up to 2 Mbytes of pro-
gram memory space. The 22nd bit allows access to the
Device ID, the User ID and the Configuration bits.
The table pointer, TBLPTR, is used by the TBLRD and
TBLWT instructions. These instructions can update the
TBLPTR in one of four ways based on the table opera-
tion. These operations are shown in Table 5-1. These
operations on the TBLPTR only affect the low order
21 bits.
TABLE 5-1:
FIGURE 5-3:
DS39564B-page 58
TBLRD*+
TBLWT*+
TBLRD*-
TBLWT*-
TBLRD+*
TBLWT+*
Example
TBLRD*
TBLWT*
21
TABLAT - TABLE LATCH REGISTER
TBLPTR - TABLE POINTER
REGISTER
TABLE POINTER OPERATIONS WITH TBLRD AND TBLWT INSTRUCTIONS
TBLPTRU
TABLE POINTER BOUNDARIES BASED ON OPERATION
16
ERASE - TBLPTR<21:6>
15
TBLPTR is incremented before the read/write
TBLPTR is decremented after the read/write
TBLPTR is incremented after the read/write
WRITE - TBLPTR<21:3>
TBLPTRH
Operation on Table Pointer
READ - TBLPTR<21:0>
TBLPTR is not modified
5.2.4
TBLPTR is used in reads, writes, and erases of the
FLASH program memory.
When a TBLRD is executed, all 22 bits of the Table
Pointer determine which byte is read from program
memory into TABLAT.
When a TBLWT is executed, the three LSbs of the Table
Pointer (TBLPTR<2:0>) determine which of the eight
program memory holding registers is written to. When
the timed write to program memory (long write) begins,
the 19 MSbs of the Table Pointer, TBLPTR
(TBLPTR<21:3>), will determine which program mem-
ory block of 8 bytes is written to. For more detail, see
Section 5.5 (“Writing to FLASH Program Memory”).
When an erase of program memory is executed, the 16
MSbs of the Table Pointer (TBLPTR<21:6>) point to the
64-byte block that will be erased. The Least Significant
bits (TBLPTR<5:0>) are ignored.
Figure 5-3 describes the relevant boundaries of
TBLPTR
operations.
8
7
based
TABLE POINTER BOUNDARIES
on
TBLPTRL
FLASH
2002 Microchip Technology Inc.
program
0
memory
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