PIC16F747-I/ML Microchip Technology, PIC16F747-I/ML Datasheet - Page 163

• Manufacturer Part Number: PIC16F747-I/ML
• Description: IC PIC MCU FLASH 4KX14 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F747-I/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: FLASH
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFN
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 368 B
• Interface Type: AUSART, CCP, I2C, MSSP, SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 8
• Operating Supply Voltage: 4 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000, DM163022
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• For Use With: XLT44QFN2 - SOCKET TRAN ICE 44QFN/40DIPAC164322 - MODULE SOCKET MPLAB PM3 28/44QFNI3DBF777 - BOARD DAUGHTER ICEPIC3444-1001 - DEMO BOARD FOR PICMICRO MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

13.0
The comparator module contains two analog com-
parators.
multiplexed with I/O port pins, RA0 through RA3, while
the outputs are multiplexed to pins RA4 and RA5. The
on-chip voltage reference (Section 14.0 “Comparator
Voltage Reference Module”) can also be an input to
the comparators.
REGISTER 13-1:
 2004 Microchip Technology Inc.
COMPARATOR MODULE
The
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2-0
inputs
CMCON: COMPARATOR MODULE CONTROL REGISTER (ADDRESS 9Ch)
C2OUT: Comparator 2 Output bit
When C2INV = 0:
1 = C2 V
0 = C2 V
When C2INV = 1:
1 = C2 V
0 = C2 V
C1OUT: Comparator 1 Output bit
When C1INV = 0:
1 = C1 V
0 = C1 V
When C1INV = 1:
1 = C1 V
0 = C1 V
C2INV: Comparator 2 Output Inversion bit
1 = C2 output inverted
0 = C2 output not inverted
C1INV: Comparator 1 Output Inversion bit
1 = C1 output inverted
0 = C1 output not inverted
CIS: Comparator Input Switch bit
When CM2:CM0 = 110:
1 = C1 V
0 = C1 V
CM2:CM0: Comparator Mode bits
Figure 13-1 shows the Comparator modes and CM2:CM0 bit settings.
Legend:
R = Readable bit
-n = Value at POR
bit 7
C2OUT
to
R-0
C2 V
C2 V
the
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
+ > C2 V
+ < C2 V
+ < C2 V
+ > C2 V
+ > C1 V
+ < C1 V
+ < C1 V
+ > C1 V
- connects to RA3/AN3
- connects to RA2/AN2
- connects to RA0/AN0
- connects to RA1/AN1
comparators
C1OUT
R-0
IN
IN
IN
IN
IN
IN
IN
IN
-
-
-
-
-
-
-
-
C2INV
R/W-0
are
W = Writable bit
‘1’ = Bit is set
C1INV
R/W-0
The CMCON register (Register 13-1) controls the
comparator input and output multiplexers. A block
diagram of the various comparator configurations is
shown in Figure 13-1.
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
CIS
R/W-1
CM2
PIC16F7X7
x = Bit is unknown
R/W-1
CM1
DS30498C-page 161
R/W-1
CM0
bit 0