PIC16F684-E/P Microchip Technology Inc., PIC16F684-E/P Datasheet - Page 42
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PIC16F684-E/P
Manufacturer Part Number
PIC16F684-E/P
Description
14 PIN, 3.5 KB FLASH, 128 RAM, 12 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F684-EP.pdf
(192 pages)
Specifications of PIC16F684-E/P
A/d Inputs
8-Channel, 10-Bit
Comparators
2
Cpu Speed
5 MIPS
Eeprom Memory
256 Bytes
Input Output
12
Memory Type
Flash
Number Of Bits
8
Package Type
14-pin PDIP
Programmable Memory
3.5K Bytes
Ram Size
128 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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PIC16F684
4.3
PORTC is a general purpose I/O port consisting of 6
bidirectional pins. The pins can be configured for either
digital I/O or analog input to A/D Converter (ADC) or
Comparator. For specific information about individual
functions such as the Enhanced CCP or the ADC, refer
to the appropriate section in this data sheet.
REGISTER 4-6:
REGISTER 4-7:
DS41202D-page 40
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-6
bit 5-0
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-6
bit 5-0
Note:
U-0
U-0
—
—
PORTC
The ANSEL and CMCON0 registers must
be initialized to configure an analog chan-
nel as a digital input. Pins configured as
analog inputs will read ‘0’.
Unimplemented: Read as ‘0’
RC<5:0>: PORTC I/O Pin bit
1 = PORTC pin is > V
0 = PORTC pin is < V
Unimplemented: Read as ‘0’
TRISC<5:0>: PORTC Tri-State Control bit
1 = PORTC pin configured as an input (tri-stated)
0 = PORTC pin configured as an output
U-0
U-0
—
—
PORTC: PORTC REGISTER
TRISC: PORTC TRI-STATE REGISTER
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
TRISC5
R/W-1
R/W-x
RC5
IH
IL
TRISC4
R/W-1
R/W-x
RC4
U = Unimplemented bit, read as ‘0’
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
‘0’ = Bit is cleared
TRISC3
R/W-0
R/W-1
EXAMPLE 4-3:
RC3
BANKSEL PORTC
CLRF
MOVLW
MOVWF
BANKSEL ANSEL
CLRF
MOVLW
MOVWF
BCF
PORTC
07h
CMCON0
ANSEL
0Ch
TRISC
STATUS,RP0
TRISC2
R/W-0
R/W-1
RC2
INITIALIZING PORTC
© 2006 Microchip Technology Inc.
x = Bit is unknown
x = Bit is unknown
;
;Init PORTC
;Set RC<4,1:0> to
;digital I/O
;
;digital I/O
;Set RC<3:2> as inputs
;and set RC<5:4,1:0>
;as outputs
;Bank 0
TRISC1
R/W-0
R/W-1
RC1
TRISC0
R/W-0
R/W-1
RC0
bit 0
bit 0
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