PIC16F689-E/ML Microchip Technology, PIC16F689-E/ML Datasheet - Page 74

• Manufacturer Part Number: PIC16F689-E/ML
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,20PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F689-E/ML

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, 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-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164324 - MODULE SKT FOR MPLAB 8DFN/16QFNAC162061 - HEADER INTRFC MPLAB ICD2 20PIN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F631/677/685/687/689/690
4.4.3.2
Figure 4-8 shows the diagram for this pin. The
RB5/AN11/RX/DT pin is configurable to function as one
of the following:
• a general purpose I/O
• an analog input for the ADC (except PIC16F631)
• an asynchronous serial input
• a synchronous serial data I/O
DS41262E-page 72
Note 1: RX
2: AN11 is not implemented on PIC16F631.
PIC16F687/PIC16F689/PIC16F690 only.
RB5/AN11/RX/DT
and
DT
are
(1, 2)
available
on
FIGURE 4-8:
Data Bus
PORTB
PORTB
WPUB
WPUB
TRISB
TRISB
IOCB
IOCB
Interrupt-on-
WR
WR
WR
WR
RD
RD
RD
RD
Change
Note
Available on PIC16F687/PIC16F689/PIC16F690 only.
D
D
D
D
To EUSART RX/DT
To A/D Converter
CK
CK
CK
CK
1:
2:
Q
Q
Q
Q
Q
Q
Q
Q
ANSEL determines Analog Input mode.
Not implemented on PIC16F631.
Input Mode
BLOCK DIAGRAM OF RB5
RD PORTB
Analog
EUSART
EUSART
From
© 2008 Microchip Technology Inc.
(2)
SYNC
SPEN
DT
Input Mode
(1)
RABPU
Analog
0
1
1
0
0
1
1
0
Q
Q
EN
EN
(1)
D
D
V
DD
Weak
V
V
Q3
DD
SS
ST
I/O Pin