PIC16F913-I/SP Microchip Technology Inc., PIC16F913-I/SP Datasheet - Page 95
PIC16F913-I/SP
Manufacturer Part Number
PIC16F913-I/SP
Description
28 PIN, 7 KB FLASH, 352 RAM, 25 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F913-ISP.pdf
(272 pages)
Specifications of PIC16F913-I/SP
A/d Inputs
5-Channel, 10-Bit
Comparators
2
Cpu Speed
5 MIPS
Eeprom Memory
256 Bytes
Input Output
25
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin SPDIP
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
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Manufacturer:
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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:
© 2005 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:
When CM<2:0> = 101:
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
1 = C2 V
0 = C2 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
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
+ connects to internal 0.6V reference
+ connects to RA2/AN2/C2+/V
two
analog
IN
IN
IN
IN
IN
IN
IN
IN
C2INV
R/W-0
-
-
-
-
-
-
-
-
Preliminary
W = Writable bit
‘1’ = Bit is set
(1)
PIC16F917/916/914/913
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
REF
+/SEG15
-/COM2
+/SEG15
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
-/COM2
CIS
R/W-0
CM2
x = Bit is unknown
R/W-0
CM1
DS41250E-page 93
R/W-0
CM0
bit 0
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