PIC16F628-04I/SO Microchip Technology, PIC16F628-04I/SO Datasheet - Page 55

• Manufacturer Part Number: PIC16F628-04I/SO
• Description: IC MCU FLASH 2KX14 COMP 18SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F628-04I/SO

• Program Memory Type: FLASH
• Program Memory Size: 3.5KB (2K x 14)
• Package / Case: 18-SOIC (7.5mm Width)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Eeprom Size: 128 x 8
• Ram Size: 224 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 224 B
• Interface Type: SCI/USART
• Maximum Clock Frequency: 4 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 3
• Operating Supply Voltage: 3 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, DM163014, DM164120-4
• Minimum Operating Temperature: - 40 C
• Data Rom Size: 128 B
• Height: 2.31 mm
• Length: 11.53 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 3 V
• Width: 7.49 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT18SO-1 - SOCKET TRANSITION 18SOIC 300MILAC164010 - MODULE SKT PROMATEII DIP/SOIC
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: PIC16F628-04I/SOR; PIC16F628-04I/SOR

9.0
The
comparators. The inputs to the comparators are
multiplexed with the RA0 through RA3 pins. The On-
chip Voltage Reference (Section 10.0) can also be an
input to the comparators.
REGISTER 9-1:
 2003 Microchip Technology Inc.
Comparator
COMPARATOR MODULE
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2-0
module
CMCON REGISTER (ADDRESS: 01Fh)
bit 7
C2OUT: Comparator 2 Output
When C2INV = 0:
1 = C2 V
0 = C2 V
When C2INV = 1:
1 = C2 V
0 = C2 V
C1OUT: Comparator 1 Output
When C1INV = 0:
1 = C1 V
0 = C1 V
When C1INV = 1:
1 = C1 V
0 = C1 V
C2INV: Comparator 2 Output Inversion
1 = C2 Output inverted
0 = C2 Output not inverted
C1INV: Comparator 1 Output Inversion
1 = C1 Output inverted
0 = C1 Output not inverted
CIS: Comparator Input Switch
When CM2:CM0: = 001
Then:
1 = C1 V
0 = C1 V
When CM2:CM0 = 010
Then:
1 = C1 V
0 = C1 V
CM2:CM0: Comparator Mode
Figure 9-1 shows the Comparator modes and CM2:CM0 bit settings
Legend:
R = Readable bit
-n = Value at POR
C2OUT
C2 V
C2 V
R-0
contains
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
- connects to RA2
- connects to RA1
+ > C2 V
+ < C2 V
+ < C2 V
+ > C2 V
+ > C1 V
+ < C1 V
+ < C1 V
+ > C1 V
- connects to RA3
- connects to RA0
- connects to RA3
- connects to RA0
C1OUT
R-0
IN
IN
IN
IN
IN
IN
IN
IN
two
-
-
-
-
-
-
-
-
analog
C2INV
R/W-0
Preliminary
W = Writable bit
’1’ = Bit is set
C1INV
R/W-0
The CMCON register, shown in Register 9-1, controls
the comparator input and output multiplexers. A block
diagram of the comparator is shown in Figure 9-1.
U = Unimplemented bit, read as ‘0’
’0’ = Bit is cleared
R/W-0
CIS
R/W-0
CM2
PIC16F62X
x = Bit is unknown
R/W-0
CM1
DS40300C-page 53
R/W-0
CM0
bit 0