PIC18F4439-I/PT Microchip Technology, PIC18F4439-I/PT Datasheet - Page 268

• Manufacturer Part Number: PIC18F4439-I/PT
• Description: IC MCU FLASH 6KX16 EE A/D 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4439-I/PT

• 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: 32
• Program Memory Size: 12KB (6K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 640 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 640 B
• Interface Type: I2C, SPI, AUSART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 16 bit
• 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: DV164005, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8
• For Use With: 444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PIC18FXX39
FIGURE 23-3:
TABLE 23-1:
DS30485A-page 266
D420
Param
No.
LVDIF
V
Symbol
LVD
(LVDIF set by hardware)
LOW VOLTAGE DETECT CHARACTERISTICS
LVD Voltage on V
transition high to
low
LOW VOLTAGE DETECT CHARACTERISTICS
V
DD
Characteristic
DD
V
LVD
LVV = 0001
LVV = 0010
LVV = 0011
LVV = 0100
LVV = 0101
LVV = 0110
LVV = 0111
LVV = 1000
LVV = 1001
LVV = 1010
LVV = 1011
LVV = 1100
LVV = 1101
LVV = 1110
Preliminary
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ T
1.98
2.18
2.37
2.48
2.67
2.77
2.98
3.27
3.47
3.57
3.76
3.96
4.16
4.45
Min
37
2.06
2.27
2.47
2.58
2.78
2.89
3.41
3.61
3.72
3.92
4.13
4.33
4.64
Typ
3.1
Max
2.14
2.36
2.57
2.68
2.89
3.01
3.22
3.55
3.75
3.87
4.08
4.83
4.3
4.5
-40°C ≤ T
Units
V
V
V
V
V
V
V
V
V
V
V
V
V
V
(LVDIF can be
cleared in software)
 2002 Microchip Technology Inc.
A
A
T ≥ 25°C
T ≥ 25°C
T ≥ 25°C
≤ +85°C for industrial
≤ +125°C for extended
Conditions