PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 253
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
1.PIC18F6621-IPT.pdf
(396 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F6621-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F6621-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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FIGURE 22-2:
TABLE 22-1:
2005 Microchip Technology Inc.
CVRCON CVREN CVROE
CMCON
TRISF
Legend: x = unknown, u = unchanged, – = unimplemented, read as ‘0’.
Name
Note 1:
Shaded cells are not used with the comparator voltage reference.
C2OUT
TRISF7 TRISF6 TRISF5 TRISF4 TRISF3 TRISF2 TRISF1 TRISF0 1111 1111 1111 1111
Bit 7
REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE
R is dependent upon the voltage reference configuration bits, CVRCON<3:0> and CVRCON<5>.
CV
Module
COMPARATOR VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
C1OUT
REF
Bit 6
Impedance
Reference
Voltage
Output
C2INV
CVRR
Bit 5
R
(1)
CVRSS
C1INV
Bit 4
PIC18F6525/6621/8525/8621
RF5
CVR3
Bit 3
CIS
CVR2
Bit 2
CM2
+
–
CVR1
Bit 1
CM1
CVR0
Bit 0
CM0
CV
REF
0000 0000 0000 0000
0000 0000 0000 0000
Output
Value on
POR
DS39612B-page 251
Value on
all other
Resets
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