PIC18F26K20-E/SO Microchip Technology, PIC18F26K20-E/SO Datasheet - Page 291

• Manufacturer Part Number: PIC18F26K20-E/SO
• Description: IC PIC MCU FLASH 16KX16 28-SOIC
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F26K20-E/SO

• Program Memory Type: FLASH
• Program Memory Size: 64KB (32K x 16)
• Package / Case: 28-SOIC (7.5mm Width)
• 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: 24
• Eeprom Size: 1K x 8
• Ram Size: 3.8K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 3936 B
• Interface Type: CCP/ECCP/EUSART/I2C/MSSP/SPI
• Maximum Clock Frequency: 64 MHz
• Number Of Programmable I/os: 25
• Number Of Timers: 4
• Maximum Operating Temperature: + 125 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, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 11-ch x 10-bit
• Package: 28SOIC W
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 64 MHz
• Operating Supply Voltage: 2.5|3.3 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164112 - VOLTAGE LIMITER MPLAB ICD2 VPPAC164303 - MODULE SKT FOR PM3 64TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 21-2:
REGISTER 21-1:
 2010 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4
bit 3-0
Note 1:
CVREN
R/W-0
Note 1:
CVROE overrides the TRISA<2> bit setting.
CVREN: Comparator Voltage Reference Enable bit
1 = CV
0 = CV
CVROE: Comparator V
1 = CV
0 = CV
CVRR: Comparator V
1 = 0 to 0.667 CV
0 = 0.25 CV
CVRSS: Comparator V
1 = Comparator reference source, CV
0 = Comparator reference source, CV
CVR<3:0>: Comparator V
When CVRR = 1:
CV
When CVRR = 0:
CV
CVROE
PIC18F2XK20/4XK20
R is dependent upon the voltage reference Configuration bits, CVR<3:0> and CVRR.
REF
REF
CV
Module
R/W-0
REF
VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
CVRCON: COMPARATOR VOLTAGE REFERENCE CONTROL REGISTER
= ((CVR<3:0>)/24)  (CV
= (CV
REF
REF
REF
REF
(1)
circuit powered on
circuit powered down
voltage level is also output on the CV
voltage is disconnected from the CV
RSRC
RSRC
Impedance
Reference
W = Writable bit
‘1’ = Bit is set
Voltage
Output
R
R/W-0
CVRR
RSRC
/4) + ((CVR<3:0>)/32)  (CV
to 0.75 CV
(1)
REF
REF
REF
, with CV
Range Selection bit
REF
CV
Source Selection bit
Output Enable bit
RSRC
REF
Value Selection bits (0  (CVR<3:0>)  15)
CVRSS
RSRC
RSRC
R/W-0
, with CV
) + V
/24 step size (low range)
RSRC
RSRC
REF
RSRC
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
= (V
= V
(1)
-
RSRC
R/W-0
CVR3
PIC18F2XK20/4XK20
DD
REF
/32 step size (high range)
REF
REF
– V
) + V
+) – (V
pin
pin
SS
REF
+
–
REF
-
R/W-0
CVR2
-)
Buffered CV
x = Bit is unknown
R/W-0
CVR1
REF
DS41303G-page 291
Output
R/W-0
CVR0
bit 0