PIC16F688-I/STG Microchip Technology, PIC16F688-I/STG Datasheet - Page 46

• 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

PIC16F688
4.3.5
Figure 4-9 shows the diagram for this pin. The RC4 is
configurable to function as one of the following:
• a general purpose I/O
• a digital output from the comparator
• a digital I/O for the EUSART
FIGURE 4-9:
TABLE 4-2:
DS41203E-page 44
ANSEL
CMCON0
PORTC
TRISC
Legend:
Data Bus
PORTC
PORTC
TRISC
TRISC
Name
WR
WR
RD
RD
Note 1:
USART Select
EUSART
TX/CLKOUT
C2OUT EN
D
D
To EUSART CLK Input
CK
CK
x = unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by PORTC.
RC4/C2OUT/TX/CK
C2OUT
C2OUT
ANS7
Bit 7
USART Select signals selects between port
data and peripheral output.
—
—
Q
Q
Q
Q
SUMMARY OF REGISTERS ASSOCIATED WITH PORTC
(1)
0
1
C1OUT
BLOCK DIAGRAM OF RC4
ANS6
Bit 6
—
—
0
1
TRISC5
C2INV
ANS5
Bit 5
RC5
TRISC4
C1INV
ANS4
Bit 4
V
RC4
V
DD
SS
I/O Pin
TRISC3
ANS3
Bit 3
RC3
CIS
TRISC2
ANS2
Bit 2
CM2
RC2
4.3.6
The RC5 is configurable to function as one of the
following:
• a general purpose I/O
• a digital I/O for the EUSART
FIGURE 4-10:
PORTC
PORTC
TRISC
TRISC
Data Bus
WR
WR
RD
RD
To EUSART RX/DT In
TRISC1
ANS1
Bit 1
CM1
RC1
D
D
CK
CK
RC5/RX/DT
Q
Q
Q
Q
EUSART Out
TRISC0
ANS0
Bit 0
CM0
RC0
Enable
EUSART
DT Out
BLOCK DIAGRAM OF RC5
PIN
© 2009 Microchip Technology Inc.
1111 1111
0000 0000
--xx 0000
--11 1111
POR, BOR
Value on
1
0
1111 1111
0000 0000
--xx 0000
--11 1111
Value on
V
all other
V
Resets
DD
SS
I/O Pin