PIC16F914-I/PT Microchip Technology, PIC16F914-I/PT Datasheet - Page 95

• Manufacturer Part Number: PIC16F914-I/PT
• Description: IC PIC MCU FLASH 4KX14 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F914-I/PT

• Program Memory Type: FLASH
• Program Memory Size: 7KB (4K x 14)
• Package / Case: 44-TQFP, 44-VQFP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 35
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SSP/I2C/AUSART/SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 35
• Number Of Timers: 3
• Operating Supply Voltage: 2 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: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DV164120, DM163029
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

8.0
The
comparators. The inputs to the comparators are
multiplexed with I/O port pins RA<3:0>, while the outputs
are multiplexed to pins RA<5:4>. An on-chip Comparator
Voltage Reference (CV
inputs of the comparators.
REGISTER 8-1:
 2004 Microchip Technology Inc.
comparator
COMPARATOR MODULE
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2-0
module
CMCON0 – COMPARATOR CONFIGURATION REGISTER (ADDRESS: 9Ch)
REF
C2OUT: Comparator 2 Output bit
When C2INV = 0:
When C2INV = 1:
C1OUT: Comparator 1 Output bit
When C1INV = 0:
When C1INV = 1:
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 CM<2:0> = 010:
When CM<2:0> = 001:
CM<2:0>: Comparator Mode bits
See Figure 8-3 for comparator modes and CM<2:0> bit settings.
Legend:
R = Readable bit
- n = Value at POR
bit 7
C2OUT
Note 1: Setting a pin to an analog input automatically disables the digital input circuitry,
) can also be applied to the
R-0
1 = C2 V
0 = C2 V
0 = C2 V
1 = C2 V
1 = C1 V
0 = C1 V
0 = C1 V
1 = C1 V
1 = C1 V
0 = C1 V
1 = C1 V
0 = C1 V
contains
C2 V
C2 V
weak pull ups, and interrupt-on-change if available. The corresponding TRIS bit
must be set to Input mode in order to allow external control of the voltage on the pin.
C1OUT
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
R-0
+ > C2 V
+ < C2 V
+ > C2 V
+ < C2 V
+ > C1 V
+ < C1 V
+ > C1 V
+ < C1 V
- connects to RA3/AN3/C1+/V
- connects to RA2/AN2/C2+/V
- connects to RA0/AN0/C1-/SEG12
- connects to RA1/AN1/C2-/SEG7
- connects to RA3/AN3/C1+/V
- connects to RA0/AN0/C1-/SEG12
two
analog
IN
IN
IN
IN
IN
IN
IN
IN
C2INV
R/W-0
-
-
-
-
-
-
-
-
Preliminary
W = Writable bit
‘1’ = Bit is set
(1)
C1INV
R/W-0
The CMCON0 register (Register 8-1) controls the
comparator input and output multiplexers. A block
diagram of the various comparator configurations is
shown in Figure 8-3.
REF
REF
REF
+/SEG15
-/COM2
+/SEG15
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
CIS
R/W-0
CM2
PIC16F91X
x = Bit is unknown
R/W-0
CM1
DS41250B-page 93
R/W-0
CM0
bit 0