PIC16F677T-E/SS Microchip Technology, PIC16F677T-E/SS Datasheet - Page 73

• Manufacturer Part Number: PIC16F677T-E/SS
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,20PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F677T-E/SS

• Rohs Compliant: YES
• Mfg Application Notes: Intro to Capacitive Sensing Appl Notes Layout and Physical Design Appl Note
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 18
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 128 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-SSOP
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: SSP
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 18
• Number Of Timers: 2
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163014, DM164120-4
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 12 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SS1-1 - SOCKET TRANSITION 20DIP 20SSOPDM164125 - BOARD DEMO PICDEM TOUCH SENSE 1AC162061 - HEADER INTRFC MPLAB ICD2 20PIN
• Lead Free Status / Rohs Status: Details

4.4.3
Each PORTB pin is multiplexed with other functions. The
pins and their combined functions are briefly described
here. For specific information about individual functions
such as the SSP, I
appropriate section in this data sheet.
© 2008 Microchip Technology Inc.
PIN DESCRIPTIONS AND
DIAGRAMS
2
C™ or interrupts, refer to the
PIC16F631/677/685/687/689/690
4.4.3.1
Figure 4-7 shows the diagram for this pin. The
RB4/AN10/SDI/SDA
as one of the following:
• a general purpose I/O
• an analog input for the ADC (except PIC16F631)
• a SPI data I/O
• an I
FIGURE 4-7:
Data Bus
Note
PORTB
PORTB
WPUB
WPUB
TRISB
TRISB
IOCB
IOCB
Note 1: SDI
Interrupt-on-
WR
WR
WR
WR
RD
RD
RD
RD
Change
Available on PIC16F677/PIC16F687/PIC16F689/PIC16F690
only.
2
C data I/O
1:
2:
D
D
D
D
To SSPSR
To A/D Converter
CK
CK
CK
CK
PIC16F677
16F690 only.
ANSEL determines Analog Input mode.
Not implemented on PIC16F631.
RB4/AN10/SDI/SDA
Q
Q
Q
Q
Q
Q
Q
Q
and
(1)
Input Mode
BLOCK DIAGRAM OF RB4
RD PORTB
Analog
pin is configurable to function
SSPSR
/
PIC16F687/PIC16F689/PIC
(2)
SDA
From
SSP
SSPEN
(1)
RABPU
0
1
1
0
Input Mode
Analog
0
1
1
0
Q
Q
are
EN
EN
DS41262E-page 71
(1)
D
D
available
V
DD
Weak
V
V
Q3
DD
SS
ST
I/O Pin
on