PIC18C658-I/PT Microchip Technology, PIC18C658-I/PT Datasheet - Page 68
![32 KB OTP, 1536 RAM, 52 I/O 64 TQFP 10x10x1mm TRAY](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18C658-I/PT
Manufacturer Part Number
PIC18C658-I/PT
Description
32 KB OTP, 1536 RAM, 52 I/O 64 TQFP 10x10x1mm TRAY
Manufacturer
Microchip Technology
Series
PIC® 18Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16C770-ISO.pdf
(8 pages)
3.PIC18C658-IPT.pdf
(366 pages)
4.PIC18C658-IPT.pdf
(16 pages)
5.PIC18C658-IPT.pdf
(16 pages)
6.PIC18C658-IPT.pdf
(16 pages)
Specifications of PIC18C658-I/PT
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
52
Program Memory Size
32KB (16K x 16)
Program Memory Type
OTP
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Processor Series
PIC18C
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1536 B
Interface Type
3-Wire, I2C, SPI, USART, CAN
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
52
Number Of Timers
4 bit
Operating Supply Voltage
2.5 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
ICE2000, DM163007, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
6
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT64PT5 - SOCKET TRAN ICE 64MQFP/TQFPAC164319 - MODULE SKT MPLAB PM3 64TQFPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
PIC18C658I/PT
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18C658-I/PT
Manufacturer:
Microchip
Quantity:
601
Company:
Part Number:
PIC18C658-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16C770-ISO PDF datasheet #2
- PIC18C658-IPT PDF datasheet #3
- PIC18C658-IPT PDF datasheet #4
- PIC18C658-IPT PDF datasheet #5
- PIC18C658-IPT PDF datasheet #6
- Current page: 68 of 366
- Download datasheet (7Mb)
PIC18CXX8
5.2
5.2.1
The TBLRD instructions are used to read data from pro-
gram memory to data memory.
TBLPTR points to a byte address in program space.
Executing TBLRD places the byte pointed to into
TABLAT. In addition, TBLPTR can be modified auto-
matically for the next Table Read operation.
Table Reads from program memory are performed one
byte at a time. The instruction will load TABLAT with the
one byte from program memory pointed to by TBLPTR.
5.2.2
The program memory of PIC18CXX8 devices is written
in blocks. For PIC18CXX8 devices, the write block size
is 2 bytes. Consequently, Table Write operations to
program memory are performed in pairs, one byte at a
time.
FIGURE 5-3:
EXAMPLE 5-1:
DS30475A-page 68
; Read a byte from location 0x0020
CLRF
CLRF
MOVLW 0x20
MOVWF TBLPTRL
MOVWF TBLRD*
n + 1
n + 2
n - 1
Program Memory
n
Program Memory Read/Writes
TABLE READ OVERVIEW (TBLRD)
PROGRAM MEMORY WRITE BLOCK SIZE
TBLPTRU
TBLPTRH
DataHigh
DataLow
HOLDING REGISTER AND THE WRITE
TABLE READ CODE EXAMPLE
; Load upper 5 bits of
; 0x0020
; Load higher 8 bits of
; 0x0020
; Load 0x20 into
; TBLPTRL
; Data is in TABLAT
DataHigh
MSB
MSB
Holding Register
Advanced Information
DataLow
DataLow
LSB
LSB
When a Table Write occurs to an even program mem-
ory address (TBLPTR<0> = 0), the contents of TABLAT
are transferred to an internal holding register. This is
performed as a short write and the program memory
block is not actually programmed at this time. The
holding register is not accessible by the user.
When a Table Write occurs to an odd program memory
address (TBLPTR<0> = 1), a long write is started. Dur-
ing the long write, the contents of TABLAT are written
to the high byte of the program memory block and the
contents of the holding register are transferred to the
low byte of the program memory block.
Figure 5-3 shows the holding register and the program
memory write blocks.
If a single byte is to be programmed, the low (even)
byte of the destination program word should be read
using TBLRD*, modified or changed, if required, and
written back to the same address using TBLWT*+. The
high (odd) byte should be read using TBLRD*, modified
or changed if required, and written back to the same
address using TBLWT. The write to an odd address will
cause a long write to begin. This process ensures that
existing data in either byte will not be changed unless
desired.
Instruction Execution
; TABLPTR points to address n
MOVLW DataLow
MOVWF TABLAT
TBLWT*+
MOVLW DataHigh
MOVWF TABLAT
TBLWT*
2000 Microchip Technology Inc.
; Load low data
; byte to TABLAT
; Write it to LSB
; of Holding register
; Load high data
; byte to TABLAT
; Write it to MSB
; of Holding
; register and
; begin long
; write
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