PIC16F685-E/SO Microchip Technology, PIC16F685-E/SO Datasheet - Page 78
![IC PIC MCU FLASH 4KX14 20SOIC](/photos/6/64/66480/150-20-soic_sml.jpg)
PIC16F685-E/SO
Manufacturer Part Number
PIC16F685-E/SO
Description
IC PIC MCU FLASH 4KX14 20SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F690DM-PCTLHS.pdf
(306 pages)
3.PIC16F677-IP.pdf
(2 pages)
4.PIC16F677-IP.pdf
(16 pages)
Specifications of PIC16F685-E/SO
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
18
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 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
20-SOIC (7.5mm Width)
For Use With
XLT20SO1-1 - SOCKET TRANS ICE 20DIP TO 20SOICAC162061 - HEADER INTRFC MPLAB ICD2 20PINAC164039 - MODULE SKT PROMATE II 20DIP/SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Connectivity
-
- PIC16F616T-ISL PDF datasheet
- PIC16F690DM-PCTLHS PDF datasheet #2
- PIC16F677-IP PDF datasheet #3
- PIC16F677-IP PDF datasheet #4
- Current page: 78 of 306
- Download datasheet (6Mb)
PIC16F631/677/685/687/689/690
4.5
PORTC is a 8-bit wide, bidirectional port. The
corresponding data direction register is TRISC (Register
4-10). Setting a TRISC bit (= 1) will make the
corresponding PORTC pin an input (i.e., put the
corresponding output driver in a High-Impedance mode).
Clearing a TRISC bit (= 0) will make the corresponding
PORTC pin an output (i.e., enable the output driver and
put the contents of the output latch on the selected pin).
Example 4-4 shows how to initialize PORTC. Reading
the PORTC register (Register 4-9) reads the status of the
pins, whereas writing to it will write to the PORT latch. All
write operations are read-modify-write operations.
Therefore, a write to a port implies that the port pins are
read, this value is modified and then written to the PORT
data latch.
REGISTER 4-11:
REGISTER 4-12:
DS41262E-page 76
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
TRISC7
R/W-1
R/W-0
RC7
PORTC and TRISC Registers
RC<7:0>: PORTC General Purpose I/O Pin bit
1 = Port pin is > V
0 = Port pin is < V
TRISC<7:0>: PORTC Tri-State Control bit
1 = PORTC pin configured as an input (tri-stated)
0 = PORTC pin configured as an output
TRISC6
R/W-1
R/W-x
RC6
PORTC: PORTC REGISTER
TRISC: PORTC TRI-STATE REGISTER
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
IH
IL
TRISC5
R/W-1
R/W-x
RC5
TRISC4
R/W-1
R/W-x
RC4
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
TRISC3
The TRISC register controls the PORTC pin output
drivers, even when they are being used as analog inputs.
The user should ensure the bits in the TRISC register are
maintained set when using them as analog inputs. I/O
pins configured as analog input always read ‘0’.
EXAMPLE 4-4:
R/W-x
BCF
BCF
CLRF
BSF
CLRF
BSF
BCF
MOVLW
MOVWF
BCF
RC3
R-1
Note:
STATUS,RP0
STATUS,RP1
PORTC
STATUS,RP1
ANSEL
STATUS,RP0
STATUS,RP1
0Ch
TRISC
STATUS,RP0
The ANSEL and ANSELH registers must
be initialized to configure an analog
channel as a digital input. Pins configured
as analog inputs will read ‘0’.
TRISC2
R/W-1
R/W-x
RC2
INITIALIZING PORTC
© 2008 Microchip Technology Inc.
;Bank 0
;
;Init PORTC
;Bank 2
;digital I/O
;Bank 1
;
;Set RC<3:2> as inputs
;and set RC<5:4,1:0>
;as outputs
;Bank 0
x = Bit is unknown
x = Bit is unknown
TRISC1
R/W-1
R/W-x
RC1
TRISC0
R/W-1
R/W-x
RC0
bit 0
bit 0
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