PIC18F452-E/PT Microchip Technology Inc., PIC18F452-E/PT Datasheet - Page 13
PIC18F452-E/PT
Manufacturer Part Number
PIC18F452-E/PT
Description
44 PIN, 32 KB FLASH, 1536 RAM, 34 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F452-EPT.pdf
(390 pages)
Specifications of PIC18F452-E/PT
A/d Inputs
8-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
36
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
44-pin TQFP
Programmable Memory
32K Bytes
Ram Size
1.5K Bytes
Speed
40 MHz
Timers
1-8-bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F452-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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FIGURE 1-2:
2004 Microchip Technology Inc.
Note 1:
OSC1
OSC2
T1OSI
T1OSO
MCLR
V
DD
Comparator
,
Instruction Bus <16>
V
Program Memory
(2)
Table Pointer<21>
(3)
(3)
SS
HLVD
Address Latch
BOR
2:
3:
(16/32 Kbytes)
Data Latch
inc/dec logic
CCP2 is multiplexed with RC1 when configuration bit CCP2MX is set, or RB3 when CCP2MX is not set.
RE3 is only available when MCLR functionality is disabled.
OSC1/CLKI and OSC2/CLKO are only available in select oscillator modes and when these pins are not being used as digital I/O.
Refer to Section 2.0 “Oscillator Configurations” for additional information.
21
EEPROM
Single-Supply
Programming
ECCP1
Debugger
Oscillator
Oscillator
Oscillator
Data
20
8
In-Circuit
Internal
INTRC
8 MHz
Block
PIC18F4420/4520 (40/44-PIN) BLOCK DIAGRAM
Decode and
Instruction
Table Latch
ROM Latch
Control
PCLATU
PCU
Program Counter
IR
31 Level Stack
Timer0
STKPTR
CCP2
PCLATH
PCH
Start-up Timer
Clock Monitor
8
Watchdog
Brown-out
Power-up
Power-on
Oscillator
Fail-Safe
State machine
control signals
Reset
Reset
PCL
Timer
Timer
Data Bus<8>
8
Timer1
MSSP
PIC18F2420/2520/4420/4520
Preliminary
BITOP
BSR
EUSART
Reference
Band Gap
Timer2
Precision
4
3
8
Data Address<12>
Address
Decode
FSR0
FSR1
FSR2
inc/dec
Address Latch
logic
Data Memory
( 3.9 Kbytes )
Data Latch
PRODH
8
ALU<8>
8 x 8 Multiply
12
W
8
12
Access
Timer3
10-bit
8
Bank
ADC
PRODL
4
12
8
8
8
8
PORTB
PORTD
PORTE
PORTA
PORTC
RB0/INT0/FLT0/AN12
RB1/INT1/AN10
RB2/INT2/AN8
RB3/AN9/CCP2
RB4/KBI0/AN11
RB5/KBI1/PGM
RB6/KBI2/PGC
RB7/KBI3/PGD
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI/C1OUT
RA5/AN4/SS/HLVDIN/C2OUT
OSC2/CLKO
OSC1/CLKI
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
MCLR/V
RC0/T1OSO/T13CKI
RC1/T1OSI/CCP2
RC2/CCP1/P1A
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
RC7/RX/DT
RD0/PSP0
RD5/PSP5/P1B
RD6/PSP6/P1C
RD7/PSP7/P1D
DS39631A-page 11
PP
/RE3
REF
REF
:RD4/PSP4
(3)
(3)
/RA7
-/CV
+
/RA6
(1)
(2)
(1)
REF
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