PIC16F946T-I/PT Microchip Technology, PIC16F946T-I/PT Datasheet - Page 35

• Manufacturer Part Number: PIC16F946T-I/PT
• Description: Microcontroller
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F946T-I/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 ~ 85°C
• Package / Case: 64-TFQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MA160011 - DAUGHTER BOARD PICDEM LCD 16F91X
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

3.1.1.5
Figure 3-5 shows the diagram for this pin. The
RA4/C1OUT/T0CKI/SEG4 pin is configurable to
function as one of the following:
• a general purpose I/O
• a digital output from Comparator 1
• a clock input for TMR0
• an analog output for the LCD
FIGURE 3-5:
© 2005 Microchip Technology Inc.
RA4/C1OUT/T0CKI/SEG4
WR PORTA
WR TRISA
Data Bus
BLOCK DIAGRAM OF RA4/C1OUT/T0CKI/SEG4
T0CKI
SEG4
TRIS Latch
D
D
Data Latch
CK
CK
CM<2:0> = 110 or 101
RD TRISA
RD PORTA
Q
Q
Q
Q
SE4 and LCDEN
C1OUT
Preliminary
SE4 and LCDEN
1
0
Schmitt
Trigger
SE4 and LCDEN
Analog Input or
Input Buffer
SE4 and LCDEN
TTL
V
V
DD
SS
PIC16F946
I/O Pin
DS41265A-page 33