PIC18LF8621-I/PT Microchip Technology, PIC18LF8621-I/PT Datasheet - Page 257

• Manufacturer Part Number: PIC18LF8621-I/PT
• Description: IC PIC MCU FLASH 32KX16 80TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF8621-I/PT

• Core Size: 8-Bit
• Program Memory Size: 64KB (32K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 69
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 3.8K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TFQFP
• Controller Family/series: PIC18
• No. Of I/o's: 70
• Eeprom Memory Size: 1024Byte
• Ram Memory Size: 3840Byte
• Cpu Speed: 40MHz
• No. Of Timers: 5
• Processor Series: PIC18LF
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 3840 B
• Interface Type: MSSP, SPI, I2C, EUSART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 69
• Number Of Timers: 2 x 8 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: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136, DM183032
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 16 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

23.1
The
(Register 23-1)
Low-Voltage Detect circuitry.
REGISTER 23-1:
 2005 Microchip Technology Inc.
Low-Voltage
Control Register
bit 7-6
bit 5
bit 4
bit 3-0
controls
LVDCON: LOW-VOLTAGE DETECT CONTROL REGISTER
bit 7
Unimplemented: Read as ‘0’
IRVST: Internal Reference Voltage Stable Flag bit
1 = Indicates that the Low-Voltage Detect logic will generate the interrupt flag at the specified
0 = Indicates that the Low-Voltage Detect logic will not generate the interrupt flag at the
LVDEN: Low-Voltage Detect Power Enable bit
1 = Enables LVD, powers up LVD circuit
0 = Disables LVD, powers down LVD circuit
LVDL3:LVDL0: Low-Voltage Detection Limit bits
1111 = External analog input is used (input comes from the LVDIN pin)
1110 = 4.45V-4.83V
1101 = 4.16V-4.5V
1100 = 3.96V-4.3V
1011 = 3.76V-3.92V
1010 = 3.57V-3.87V
1001 = 3.47V-3.75V
1000 = 3.27V-3.55V
0111 = 2.98V-3.22V
0110 = 2.77V-3.01V
0101 = 2.67V-2.89V
0100 = 2.48V-2.68V
0011 = 2.37V-2.57V
0010 = 2.18V-2.36V
0001 = 1.98V-2.14V
0000 = Reserved
Legend:
R = Readable bit
-n = Value at POR
Detect
Note:
U-0
—
voltage range
specified voltage range and the LVD interrupt should not be enabled
the
operation
LVDL3:LVDL0 modes, which result in a trip point below the valid operating voltage
of the device, are not tested.
Control
U-0
—
PIC18F6525/6621/8525/8621
of
register
IRVST
R-0
the
W = Writable bit
‘1’ = Bit is set
LVDEN
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
LVDL3
R/W-0
LVDL2
R/W-1
x = Bit is unknown
LVDL1
R/W-0
DS39612B-page 255
LVDL0
R/W-1
bit 0