PIC18F1230-I/SS Microchip Technology, PIC18F1230-I/SS Datasheet - Page 179

• Manufacturer Part Number: PIC18F1230-I/SS
• Description: Microcontroller
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F1230-I/SS

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SSOP
• Package: 20SSOP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 16
• Interface Type: USART
• On-chip Adc: 4-chx10-bit
• Number Of Timers: 2
• Processor Series: PIC18F
• Core: PIC
• Data Ram Size: 256 B
• Maximum Clock Frequency: 40 MHz
• Maximum Operating Temperature: + 85 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164307 - MODULE SKT FOR PM3 28SSOP
• Lead Free Status / Rohs Status: Details

17.0
The analog comparator module contains three
comparators. The inputs can be selected from the
analog inputs multiplexed with pins RA0, RB2 and
RB3, as well as the on-chip voltage reference (see
REGISTER 17-1:
 2009 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4-3
bit 2
bit 1
bit 0
C2OUT
R-0
COMPARATOR MODULE
C2OUT: Comparator 2 Output bit
1 = C2 V
0 = C2 V
C1OUT: Comparator 1 Output bit
1 = C1 V
0 = C1 V
C0OUT: Comparator 0 Output bit
1 = C0 V
0 = C0 V
Unimplemented: Read as ‘0’
CMEN2: Comparator 2 Enable bit
1 = Comparator 2 is enabled
0 = Comparator 2 is disabled
CMEN1: Comparator 1 Enable bit
1 = Comparator 1 is enabled
0 = Comparator 1 is disabled
CMEN0: Comparator 0 Enable bit
1 = Comparator 0 is enabled
0 = Comparator 0 is disabled
C1OUT
R-0
CMCON: COMPARATOR CONTROL REGISTER
IN
IN
IN
IN
IN
IN
+ > C2 V
+ < C2 V
+ > C1 V
+ < C1 V
+ > C0 V
+ < C0 V
W = Writable bit
‘1’ = Bit is set
C0OUT
R-0
IN
IN
IN
IN
IN
IN
- (CV
- (CV
- (CV
- (CV
- (CV
- (CV
REF
REF
REF
REF
REF
REF
)
)
)
)-
)
)
U-0
—
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
Section 18.0
Module”). The digital outputs are not available at the
pin level and can only be read through the control
register, CMCON (Register 17-1). CMCON also selects
the comparator input.
U-0
—
PIC18F1230/1330
CMEN2
R/W-0
“Comparator
x = Bit is unknown
CMEN1
R/W-0
Voltage
DS39758D-page 179
CMEN0
Reference
R/W-0
bit 0