PIC18F448-I/L Microchip Technology, PIC18F448-I/L Datasheet - Page 347

• Manufacturer Part Number: PIC18F448-I/L
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LDCC,44PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F448-I/L

• Rohs Compliant: YES
• 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 ~ 85°C
• Package / Case: 44-PLCC
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• 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: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: AC164309 - MODULE SKT FOR PM3 44PLCC444-1001 - DEMO BOARD FOR PICMICRO MCUDVA16XL441 - ADAPTER DEVICE ICE 44PLCCDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Lead Free Status / Rohs Status: Details
• Other names: PIC18F448I/L

FIGURE 27-8:
FIGURE 27-9:
TABLE 27-9:
© 2006 Microchip Technology Inc.
30
31
32
33
34
35
36
37
Param
No.
Reference Voltage
Internal Reference
Watchdog
Note: Refer to Figure 27-5 for load conditions.
Oscillator
Time-out
Time-out
I/O Pins
Internal
Internal
Enable Internal
PWRT
MCLR
Voltage Stable
Reset
Reset
Timer
POR
V
TmcL
T
T
T
T
T
T
T
Symbol
OST
DD
WDT
IOZ
IRVST
PWRT
BOR
LVD
V
IRVST
V
DD
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER,
BROWN-OUT RESET AND LOW-VOLTAGE DETECT REQUIREMENTS
MCLR Pulse Width (low)
Watchdog Timer Time-out Period
(no prescaler)
Oscillation Start-up Timer Period
Power-up Timer Period
I/O High-Impedance from MCLR Low
or Watchdog Timer Reset
Brown-out Reset Pulse Width
Time for Internal Reference
Voltage to become stable
Low-Voltage Detect Pulse Width
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND
POWER-UP TIMER TIMING
BROWN-OUT RESET AND LOW-VOLTAGE DETECT TIMING
33
Characteristic
32
36
BV
V
LVD
DD
1024 T
(for 37)
(for 35)
Min
200
200
28
—
—
2
7
OSC
34
Typ
18
72
20
—
—
—
—
2
30
35, 37
1024 T
Max
132
33
50
—
—
—
—
OSC
Units
ms
ms
—
31
s
s
s
s
s
PIC18FXX8
T
For V
For V
OSC
= OSC1 period
DD
DD
Conditions
DS41159E-page 345
34
BV
V
LVD
DD
V
BGAP
(see D420)
(see D005)
= 1.2V