PIC18F452-I/P Microchip Technology, PIC18F452-I/P Datasheet - Page 55

IC MCU FLASH 16KX16 EE 40DIP

PIC18F452-I/P

Manufacturer Part Number
PIC18F452-I/P
Description
IC MCU FLASH 16KX16 EE 40DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr

Specifications of PIC18F452-I/P

Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
40-DIP (0.600", 15.24mm)
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
34
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
MSSP/SPI/I2C/PSP/USART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
34
Number Of Timers
4
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136, DM163022
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Package
40PDIP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
444-1001 - DEMO BOARD FOR PICMICRO MCUACICE0206 - ADAPTER MPLABICE 40P 600 MIL
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
PIC18F452I/P
Q1176145

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4.14
The Reset Control (RCON) register contains flag bits
that allow differentiation between the sources of a
device RESET. These flags include the TO, PD, POR,
BOR and RI bits. This register is readable and writable.
REGISTER 4-3:
2002 Microchip Technology Inc.
RCON Register
bit 7
bit 6-5
bit 4
bit 3
bit 2
bit 1
bit 0
RCON REGISTER
bit 7
IPEN: Interrupt Priority Enable bit
1 = Enable priority levels on interrupts
0 = Disable priority levels on interrupts (16CXXX Compatibility mode)
Unimplemented: Read as '0'
RI: RESET Instruction Flag bit
1 = The RESET instruction was not executed
0 = The RESET instruction was executed causing a device RESET
TO: Watchdog Time-out Flag bit
1 = After power-up, CLRWDT instruction, or SLEEP instruction
0 = A WDT time-out occurred
PD: Power-down Detection Flag bit
1 = After power-up or by the CLRWDT instruction
0 = By execution of the SLEEP instruction
POR: Power-on Reset Status bit
1 = A Power-on Reset has not occurred
0 = A Power-on Reset occurred
BOR: Brown-out Reset Status bit
1 = A Brown-out Reset has not occurred
0 = A Brown-out Reset occurred
Legend:
R = Readable bit
- n = Value at POR
R/W-0
IPEN
(must be set in software after a Brown-out Reset occurs)
(must be set in software after a Power-on Reset occurs)
(must be set in software after a Brown-out Reset occurs)
U-0
U-0
W = Writable bit
’1’ = Bit is set
R/W-1
RI
Note 1: If the BOREN configuration bit is set
2: It is recommended that the POR bit be set
U = Unimplemented bit, read as ‘0’
’0’ = Bit is cleared
(Brown-out Reset enabled), the BOR bit is
’1’ on a Power-on Reset. After a Brown-
out Reset has occurred, the BOR bit will
be cleared, and must be set by firmware to
indicate the occurrence of the next
Brown-out Reset.
after a Power-on Reset has been
detected, so that subsequent Power-on
Resets may be detected.
R-1
TO
R-1
PD
PIC18FXX2
x = Bit is unknown
R/W-0
POR
DS39564B-page 53
R/W-0
BOR
bit 0

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