PIC18F458-I/PT Microchip Technology, PIC18F458-I/PT Datasheet - Page 27
PIC18F458-I/PT
Manufacturer Part Number
PIC18F458-I/PT
Description
IC MCU CAN FLSH 16K 40MHZ 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18LF242-ISO.pdf
(36 pages)
3.PIC18F248-ISO.pdf
(402 pages)
4.PIC18F248-ISO.pdf
(8 pages)
Specifications of PIC18F458-I/PT
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
44-TQFP, 44-VQFP
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
33
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
SPI/I2C/USART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
33
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, DV164136, DM163011
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F458-I/PT
Manufacturer:
FUJITSU
Quantity:
500
Company:
Part Number:
PIC18F458-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F458-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC18LF242-ISO PDF datasheet #2
- PIC18F248-ISO PDF datasheet #3
- PIC18F248-ISO PDF datasheet #4
- Current page: 27 of 402
- Download datasheet (7Mb)
3.0
The PIC18FXX8 differentiates between various kinds
of RESET:
a)
b)
c)
d)
e)
f)
g)
h)
Most registers are unaffected by a Reset. Their status
is unknown on POR and unchanged by all other
Resets. The other registers are forced to a “Reset”
FIGURE 3-1:
© 2006 Microchip Technology Inc.
MCLR
OSC1
V
Power-on Reset (POR)
MCLR Reset during normal operation
MCLR Reset during Sleep
Watchdog Timer (WDT) Reset during normal
operation
Programmable Brown-out Reset (PBOR)
RESET Instruction
Stack Full Reset
Stack Underflow Reset
Note 1: This is a separate oscillator from the RC oscillator of the CLKI pin.
DD
Instruction
RESET
RESET
Pointer
RC OSC
Stack
2: See Table 3-1 for time-out situations.
On-chip
OST/PWRT
Brown-out
V
Module
Detect
DD
WDT
Reset
(1)
Rise
Stack Full/Underflow Reset
SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
OST
PWRT
Time-out
Reset
WDT
10-bit Ripple Counter
External Reset
10-bit Ripple Counter
BOREN
Power-on Reset
Sleep
state on Power-on Reset, MCLR, WDT Reset, Brown-
out Reset, MCLR Reset during Sleep and by the
RESET instruction.
Most registers are not affected by a WDT wake-up,
since this is viewed as the resumption of normal oper-
ation. Status bits from the RCON register, RI, TO, PD,
POR and BOR are set or cleared differently in different
Reset situations, as indicated in Table 3-2. These bits
are used in software to determine the nature of the
Reset. See Table 3-3 for a full description of the Reset
states of all registers.
A simplified block diagram of the On-Chip Reset Circuit
is shown in Figure 3-1.
The Enhanced MCU devices have a MCLR noise filter
in the MCLR Reset path. The filter will detect and
ignore small pulses.
A WDT Reset does not drive MCLR pin low.
PIC18FXX8
S
R
Enable PWRT
Enable OST
DS41159E-page 25
Q
Chip_Reset
(2)
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