PIC18F44K20-E/MV Microchip Technology, PIC18F44K20-E/MV Datasheet - Page 292

• Manufacturer Part Number: PIC18F44K20-E/MV
• Description: 16KB, Flash, 768bytes-RAM, 36I/O, 8-bit Family,nanowatt XLP 40 UQFN 5x5x0.5mm TU
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F44K20-E/MV

• Processor Series: PIC18
• Core: PIC18F
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 8 KB
• Data Ram Size: 512 B
• Interface Type: I2C, SPI, SCI, USB, MSSP, RJ11
• Maximum Clock Frequency: 64 MHz
• Number Of Programmable I/os: 35
• Number Of Timers: 4
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: UQFN-40
• Development Tools By Supplier: MPLAB Integrated Development Environment
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 125 C
• Supply Current (max): 30 uA
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 35
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Lead Free Status / Rohs Status: Details

PIC18F2XK20/4XK20
REGISTER 21-2:
TABLE 21-1:
DS41303G-page 292
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5-0
CVRCON
CVRCON2
CM1CON0
CM2CON0
CM2CON1
TRISA
Legend: Shaded cells are not used with the comparator voltage reference.
Note 1:
FVREN
Name
R/W-0
PORTA pins are enabled based on oscillator configuration.
TRISA7
MC1OUT MC2OUT C1RSEL C2RSEL
CVREN
FVREN: Fixed Voltage Reference Enable bit
1 = FVR circuit powered on
0 = FVR circuit not enabled by FVREN. Other peripherals may enable FVR.
FVRST: Fixed Voltage Stable Status bit
1 = FVR is stable and can be used.
0 = FVR is not stable and should not be used.
Unimplemented: Read as ‘0’.
FVREN
C1ON
C2ON
Bit 7
REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE
FVRST
R-0
CVRCON2: COMPARATOR VOLTAGE REFERENCE CONTROL 2 REGISTER
(1)
TRISA6
CVROE
C1OUT
C2OUT
FVRST
Bit 6
W = Writable bit
‘1’ = Bit is set
(1)
U-0
—
PORTA Data Direction Control Register
CVRR
C1OE
C2OE
Bit 5
—
CVRSS
U-0
C1POL
C2POL
—
Bit 4
—
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
CVR3
C1SP
C2SP
Bit 3
—
—
U-0
—
CVR2
Bit 2
C1R
C2R
—
—
U-0
—
C1CH1
C2CH1
CVR1
Bit 1
 2010 Microchip Technology Inc.
—
—
x = Bit is unknown
U-0
—
C1CH0
C2CH0
CVR0
Bit 0
—
—
on page
U-0
Values
—
Reset
62
61
62
62
63
62
bit 0