PIC18F6490-E/PT Microchip Technology, PIC18F6490-E/PT Datasheet - Page 374

• Manufacturer Part Number: PIC18F6490-E/PT
• Description: IC PIC MCU FLASH 16KX16 64TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F6490-E/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, LCD, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 64-TFQFP
• For Use With: DM163028 - BOARD DEMO PICDEM LCD
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

PIC18F6390/6490/8390/8490
FIGURE 26-7:
FIGURE 26-8:
TABLE 26-10: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
DS39629C-page 372
30
31
32
33
34
35
36
37
38
39
Param.
No.
Reference Voltage
Internal Reference
Watchdog
Note:
Oscillator
Time-out
Time-out
I/O pins
Enable Internal
Internal
Internal
Voltage Stable
PWRT
MCLR
Reset
Reset
Timer
POR
Symbol
T
T
T
T
T
T
T
T
T
T
V
OST
CSD
WDT
IOZ
IRVST
IOBST
MC
PWRT
BOR
LVD
DD
L
Refer to Figure 26-4 for load conditions.
V
IRVST
V
DD
AND BROWN-OUT RESET REQUIREMENTS
MCLR Pulse Width (low)
Watchdog Timer Time-out Period
(No postscaler)
Oscillator 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
CPU Start-up Time
Time for INTRC Block to Stabilize
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND
POWER-UP TIMER TIMING
BROWN-OUT RESET TIMING
33
Characteristic
32
36
BV
DD
1024 T
55.5
Min
200
200
3.4
—
—
—
—
2
OSC
34
65.5
Typ
4.0
30
20
10
—
—
—
—
2
1
35
1024 T
Max
4.6
75
50
—
—
—
—
—
—
OSC
31
Units
© 2007 Microchip Technology Inc.
ms
ms
ms
μs
—
μs
μs
μs
μs
μs
T
V
V
OSC
DD
DD
≤ B
≤ V
34
= OSC1 period
Conditions
VDD
LVD
V
BGAP
(see D005)
= 1.2V