PIC16F688-I/SL Microchip Technology Inc., PIC16F688-I/SL Datasheet - Page 63

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PIC16F688-I/SL

Manufacturer Part Number
PIC16F688-I/SL
Description
14 PIN, 7 KB FLASH, 256 RAM, 12 I/O
Manufacturer
Microchip Technology Inc.
Datasheet

Specifications of PIC16F688-I/SL

A/d Inputs
8-Channel, 10-Bit
Comparators
2
Cpu Speed
5 MIPS
Eeprom Memory
256 Bytes
Input Output
12
Interface
USART
Memory Type
Flash
Number Of Bits
8
Package Type
14-pin SOIC-N
Programmable Memory
7K Bytes
Ram Size
256 Bytes
Speed
20 MHz
Timers
1-8-bit, 1-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part Electrostatic Device

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PIC16F688-I/SL
0
REGISTER 7-1:
© 2006 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2-0
C2OUT
R-0
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 CM<2:0> = 010:
1 = C1IN+ connects to C1 V
0 = C1IN- connects to C1 V
When CM<2:0> = 001:
1 = C1IN+ connects to C1 V
0 = C1IN- connects to C1 V
CM<2:0>: Comparator Mode bits (See Figure 7-5)
000 = Comparators off. CxIN pins are configured as analog
001 = Three inputs multiplexed to two comparators
010 = Four inputs multiplexed to two comparators
011 = Two common reference comparators
100 = Two independent comparators
101 = One independent comparator
110 = Two common reference comparators with outputs
111 = Comparators off. CxIN pins are configured as digital I/O
C1OUT
C2IN+ connects to C2 V
C2IN- connects to C2 V
R-0
CMCON0: COMPARATOR CONFIGURATION REGISTER
IN
IN
IN
IN
IN
IN
IN
IN
+ > C2 V
+ < C2 V
+ < C2 V
+ > C2 V
+ > C1 V
+ < C1 V
+ < C1 V
+ > C1 V
W = Writable bit
‘1’ = Bit is set
C2INV
R/W-0
IN
IN
IN
IN
IN
IN
IN
IN
-
-
-
-
-
-
-
-
IN
IN
IN
IN
IN
IN
-
-
-
-
-
-
C1INV
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
CIS
R/W-0
CM2
x = Bit is unknown
PIC16F688
R/W-0
CM1
DS41203C-page 61
R/W-0
CM0
bit 0

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