PIC16F946-E/PT Microchip Technology, PIC16F946-E/PT Datasheet - Page 56

• Manufacturer Part Number: PIC16F946-E/PT
• Description: Microcontroller
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F946-E/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 336 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 64-TFQFP
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 352 B
• Interface Type: SSP, I2C, AUSART, SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 53
• Number Of Timers: 3
• 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, MA160011
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MA160011 - DAUGHTER BOARD PICDEM LCD 16F91X
• Lead Free Status / Rohs Status: Details

PIC16F946
3.4.1.8
Figure 3-21 shows the diagram for this pin. The
RC7/RX/DT/SDI/SDA/SEG8 pin is configurable to
function as one of the following:
• a general purpose I/O
• an asynchronous serial input
• a synchronous serial data I/O
• a SPI data I/O
• an I
• an analog output for the LCD
FIGURE 3-21:
DS41265A-page 54
SCEN/I
2
C data I/O
or SCEN Drive
Note 1:
PORT/(SCEN or I
WR PORTC
WR TRISC
I
RX/SDI Input
SEG8
2
2
C
Data Bus
RC7/RX/DT/SDI/SDA/SEG8
C
™
™
I
2
Drive
C
Mode Select
DT Data Out
If SSP and USART outputs are both enabled, the USART data output will have priority over the
SSP data output. Both SSP and USART data outputs will have priority over the PORT data
output.
™
Data Out
BLOCK DIAGRAM OF RC7/RX/DT/SDI/SDA/SEG8
TRIS Latch
Data Latch
RD PORTC
2
D
C
D
CK
CK
™
RD TRISC
(1)
) Select
1
0
Q
Q
Q
Q
SE8 and LCDEN
SE8 and LCDEN
0
1
Preliminary
Schmitt
Trigger
© 2005 Microchip Technology Inc.
V
DD
RC7/RX/DT/
SDI/SDA/
SEG8
Pin