PIC18F43K20-I/P Microchip Technology, PIC18F43K20-I/P Datasheet - Page 289

• Manufacturer Part Number: PIC18F43K20-I/P
• Description: IC PIC MCU FLASH 4KX16 40-DIP
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F43K20-I/P

• Core Size: 8-Bit
• Program Memory Size: 8KB (4K x 16)
• Core Processor: PIC
• Speed: 64MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Controller Family/series: PIC18
• No. Of I/o's: 36
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 64MHz
• No. Of Timers: 4
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: CCP, ECCP, EUSART, I2C, MSSP, SPI
• Maximum Clock Frequency: 64 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 14 Channel
• A/d Bit Size: 10 bit
• A/d Channels Available: 14
• Height: 4.95 mm
• Length: 53.21 mm
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.8 V
• Width: 14.73 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

FIGURE 21-2:
REGISTER 21-1:
© 2009 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
Preliminary
) + 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
DS41303E-page 287
Output
R/W-0
CVR0
bit 0