PIC18F448-E/PT Microchip Technology, PIC18F448-E/PT Datasheet - Page 96
![IC MCU FLASH 8KX16 W/CAN 44-TQFP](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC18F448-E/PT
Manufacturer Part Number
PIC18F448-E/PT
Description
IC MCU FLASH 8KX16 W/CAN 44-TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18LF242-ISO.pdf
(36 pages)
2.PIC18F248-ISO.pdf
(402 pages)
3.PIC18F248-ISO.pdf
(8 pages)
Specifications of PIC18F448-E/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
33
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F448-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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FIGURE 9-1:
FIGURE 9-3:
DS41159E-page 94
PIC18FXX8
Analog
Input Mode
RD LATA
Data Bus
WR LATA
WR PORTA
WR TRISA
RD TRISA
RD PORTA
Note 1: I/O pins have diode protection to V
To A/D Converter and LVD Modules
SS Input (RA5 only)
or
Data Latch
TRIS Latch
D
D
CK
CK
(F
CLKO (F
Data Bus
WR PORTA
WR TRISA
(F
101, 110, 111)
RD TRISA
RD PORTA
(F
Note
OSC
OSC
OSC
RA3:RA0 AND RA5 PINS
Q
BLOCK DIAGRAM
Q
OSC2/CLKO/RA6 PIN BLOCK DIAGRAM
Q
Q
= 110, 100)
= 101, 111)
= 100,
1: CLKO is 1/4 of F
2: I/O pin has diode protection to V
OSC
/4)
Q
TRIS Latch
Data Latch
D
D
CK
CK
EN
D
DD
V
V
P
N
SS
DD
and V
Q
Q
Q
Q
OSC
.
I/O pin
SS
TTL
Input
Buffer
.
(1)
1
0
DD
Data Latch
Q
and V
SS
EN
D
.
FIGURE 9-2:
From OSC1
Note 1: I/O pin has diode protection to V
RD LATA
Data Bus
WR PORTA
WR TRISA
RD TRISA
RD PORTA
WR LATA or
TMR0 Clock Input
Oscillator
Circuit
TRIS Latch
Data Latch
D
D
CK
CK
V
V
N
P
Schmitt
Trigger
Input Buffer
SS
DD
Q
Q
Q
Q
RA4/T0CKI PIN BLOCK
DIAGRAM
© 2006 Microchip Technology Inc.
Q
OSC2/CLKO
RA6 pin
TTL
Input
Buffer
EN
SS
D
V
N
only.
SS
(2)
I/O pin
Schmitt
Trigger
Input
Buffer
(1)
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