PIC18F6520-I/PT Microchip Technology Inc., PIC18F6520-I/PT Datasheet - Page 237
PIC18F6520-I/PT
Manufacturer Part Number
PIC18F6520-I/PT
Description
64 PIN, 32 KB FLASH, 2048 RAM, 52 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F6520-IPT.pdf
(380 pages)
Specifications of PIC18F6520-I/PT
A/d Inputs
12-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
1024 Bytes
Input Output
52
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
64-pin TQFP
Programmable Memory
32K Bytes
Ram Size
2K Bytes
Speed
40 MHz
Timers
2-8 bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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22.1
The Low-Voltage Detect Control register controls the
operation of the Low-Voltage Detect circuitry.
REGISTER 22-1:
2004 Microchip Technology Inc.
Control Register
bit 7-6
bit 5
bit 4
bit 3-0
PIC18F6520/8520/6620/8620/6720/8720
LVDCON 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 = 4.64V
1101 = 4.33V
1100 = 4.13V
1011 = 3.92V
1010 = 3.72V
1001 = 3.61V
1000 = 3.41V
0111 = 3.1V
0110 = 2.89V
0101 = 2.78V
0100 = 2.58V
0011 = 2.47V
0010 = 2.27V
0001 = 2.06V
0000 = Reserved
Legend:
R = Readable bit
- n = Value at POR
Note 1: LVDL3:LVDL0 modes which result in a trip point below the valid operating voltage
U-0
—
voltage range
specified voltage range and the LVD interrupt should not be enabled
2: Typical values shown, see parameter D420 in Table 26-3 for more information.
of the device are not tested.
U-0
—
IRVST
R-0
W = Writable bit
‘1’ = Bit is set
LVDEN
R/W-0
(2)
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
DS39609B-page 235
LVDL0
R/W-1
bit 0
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