PIC16F688-I/STG Microchip Technology, PIC16F688-I/STG Datasheet - Page 59

• Manufacturer Part Number: PIC16F688-I/STG
• Description: IC PIC MCU FLASH 4KX14 14TSSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F688-I/STG

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 12
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: FLASH
• 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
• Package / Case: 14-TSSOP
• For Use With: XLT14SS-1 - SOCKET TRANSITION 14DIP/14SSOPAC162061 - HEADER INTRFC MPLAB ICD2 20PINAC162056 - HEADER INTERFACE ICD2 16F688
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 7-5:
© 2009 Microchip Technology Inc.
Note 1:
Comparators Reset (POR Default Value)
CM<2:0> = 000
Legend: A = Analog Input, ports always reads ‘0’
Three Inputs Multiplexed to Two Comparators
CM<2:0> = 001
Four Inputs Multiplexed to Two Comparators
CM<2:0> = 010
Two Common Reference Comparators
CM<2:0> = 011
C1IN-
C1IN+
C2IN-
C2IN+
C1IN-
C1IN+
C2IN-
C2IN+
C1IN-
C1IN+
C2IN-
C2IN+
C1IN-
C1IN+
C2IN-
C2IN+
Reads as ‘0’, unless CxINV = 1.
I/O = Normal port I/O
A
A
A
A
A
A
A
A
I/O
A
A
A
A
A
A
A
CIS = 0
CIS = 1
V
V
V
V
CIS = 0
CIS = 1
CIS = 0
CIS = 1
V
V
V
V
IN
IN
IN
IN
COMPARATOR I/O OPERATING MODES
IN
IN
IN
IN
-
+
-
+
-
+
-
+
C1
C2
C1
C2
V
V
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
IN
-
+
-
+
-
+
-
+
From
Off
Off
C1
C2
C1
C2
C1OUT
C2OUT
(1)
(1)
CV
REF
C2OUT
C1OUT
C1OUT
C2OUT
Module
Comparators Off (Lowest Power)
CM<2:0> = 111
Two Independent Comparators
CM<2:0> = 100
C1OUT(pin)
C2OUT(pin)
One Independent Comparator
CM<2:0> = 101
Two Common Reference Comparators with Outputs
CM<2:0> = 110
CIS = Comparator Input Switch (CMCON0<3>)
D = Comparator Digital Output
C1IN-
C1IN+
C2IN-
C2IN+
C1IN-
C1IN+
C2IN-
C2IN+
C1IN-
C2IN-
C2IN+
C1IN-
C1IN+
C2IN-
C2IN+
I/O
I/O
I/O
I/O
A
A
A
A
I/O
I/O
A
A
D
A
D
A
A
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
C1
C2
C1
C2
C1
C2
C1
C2
PIC16F688
C1OUT
C2OUT
Off
Off
Off
C2OUT
C1OUT
C2OUT
DS41203E-page 57
(1)
(1)
(1)