PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 256

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PIC18F6621-I/PT

Manufacturer Part Number
PIC18F6621-I/PT
Description
64 PIN, 64 KB FLASH, 3840 RAM, 52 I/O
Manufacturer
Microchip Technology Inc.
Datasheet

Specifications of PIC18F6621-I/PT

A/d Inputs
12-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
1024 Bytes
Input Output
54
Interface
I2C/SPI/UART/USART
Memory Type
Flash
Number Of Bits
8
Package Type
64-pin TQFP
Programmable Memory
64K Bytes
Ram Size
3.8K 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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PIC18F6525/6621/8525/8621
FIGURE 23-2:
The LVD module has an additional feature that allows
the user to supply the trip voltage to the module from
an external source. This mode is enabled when bits
LVDL3:LVDL0 are set to ‘1111’. In this state, the com-
parator input is multiplexed from the external input pin,
FIGURE 23-3:
DS39612B-page 254
Externally Generated
Trip Point
LVDEN
LOW-VOLTAGE DETECT (LVD) BLOCK DIAGRAM
LOW-VOLTAGE DETECT (LVD) WITH EXTERNAL INPUT BLOCK DIAGRAM
V
DD
LVDIN
V
DD
LVDIN
EN
Internally Generated
Reference Voltage
V
DD
LVDL3:LVDL0
LVDIN (Figure 23-3). This gives users flexibility
because it allows them to configure the Low-Voltage
Detect interrupt to occur at any voltage in the valid
operating range.
LVDL3:LVDL0
VxEN
BODEN
LVDCON
Register
BGAP
LVDCON
Register
 2005 Microchip Technology Inc.
LVDIF
LVDEN
LVD

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