PIC16F690-E/P Microchip Technology Inc., PIC16F690-E/P Datasheet - Page 96

• Manufacturer Part Number: PIC16F690-E/P
• Description: 20 PIN, 7 KB FLASH, 256 RAM, 18 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F690-E/P

• A/d Inputs: 12-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 7 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 18
• Interface: USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 20-pin PDIP
• Programmable Memory: 7K Bytes
• Ram Size: 256 Bytes
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC16F631/677/685/687/689/690
FIGURE 8-2:
FIGURE 8-3:
DS41262C-page 94
FixedRef
CV
C2V
FixedRef
CV
C1V
REF
REF
REN
REN
C12IN0-
C12IN1-
C2IN2-
C2IN3-
C12IN0-
C12IN1-
C12IN2-
C12IN3-
C2CH<1:0>
C2IN+
C1IN+
0
1
C1CH<1:0>
MUX
0
1
MUX
COMPARATOR C1 SIMPLIFIED BLOCK DIAGRAM
COMPARATOR C2 SIMPLIFIED BLOCK DIAGRAM
C2R
C1R
0
1
2
3
0
1
2
MUX
MUX
0
1
2
3
0
1
Note 1:
MUX
2
MUX
Note 1:
2:
3:
2:
3:
C2V
C2V
When C1ON = 0, the C1 comparator will produce a ‘0’ output to the XOR Gate.
Q1 and Q3 are phases of the four-phase system clock (F
Q1 is held high during Sleep mode.
C1V
C1V
When C2ON = 0, the C2 comparator will produce a ‘0’ output to the XOR Gate.
Q1 and Q3 are phases of the four-phase system clock (F
Q1 is held high during Sleep mode.
IN
IN
-
+
IN
IN
-
+
C2
C2ON
+
-
C1
C1ON
C2POL
Preliminary
(1)
C1POL
(1)
From TMR1
Q3*RD_CM2CON0
Clock
Q3*RD_CM1CON0
Q1
Q1
D
NRESET
C2OUT
D
EN
NRESET
D
EN
C1OUT
Q
Q
C2SYNC
Q
D
EN
C2POL
D
EN
CL
C1POL
0
1
MUX
CL
Q
Q
© 2006 Microchip Technology Inc.
to Timer1 Gate, SR latch
and other peripherals
To other peripherals
C1OUT (to SR latch)
OSC
RD_CM2CON0
OSC
RD_CM1CON0
).
).
SYNCC2OUT
Data Bus
Set C2IF
Data Bus
Set C1IF
To
To