PIC16F946T-I/PT Microchip Technology, PIC16F946T-I/PT Datasheet - Page 9

• 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

TABLE 1-1:
© 2005 Microchip Technology Inc.
RA0/AN0/C1-/SEG12
RA1/AN1/C2-/SEG7
RA2/AN2/C2+/V
RA3/AN3/C1+/V
RA4/C1OUT/T0CKI/SEG4
RA5/AN4/C2OUT/SS/SEG5
RA6/OSC2/CLKO/T1OSO
RA7/OSC1/CLKI/T1OSI
RB0/INT/SEG0
RB1/SEG1
RB2/SEG2
Legend:
AN = Analog input or output
TTL = TTL compatible input
HV = High Voltage
Name
REF
REF
PIC16F946 PINOUT DESCRIPTIONS
-/COM2
+/SEG15
Function
C1OUT
C2OUT
T1OSO
SEG12
SEG15
COM2
V
T0CKI
T1OSI
SEG7
SEG4
SEG5
OSC2
CLKO
OSC1
SEG0
SEG1
SEG2
V
CLKI
RA0
AN0
RA1
AN1
RA2
AN2
RA3
AN3
RA4
RA5
AN4
RA6
RA7
RB0
RB1
RB2
C2+
C1+
C1-
C2-
INT
REF
SS
REF
+
-
CMOS = CMOS compatible input or output
ST
XTAL = Crystal
Input
Type
XTAL
XTAL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
AN
AN
AN
AN
AN
AN
AN
ST
ST
ST
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
= Schmitt Trigger input with CMOS levels
Preliminary
Output
CMOS General purpose I/O.
CMOS General purpose I/O.
CMOS General purpose I/O.
CMOS General purpose I/O.
CMOS General purpose I/O.
CMOS Comparator 1 output.
CMOS General purpose I/O.
CMOS Comparator 2 output.
CMOS General purpose I/O.
CMOS T
CMOS General purpose I/O.
CMOS General purpose I/O. Individually enabled pull-up.
CMOS General purpose I/O. Individually enabled pull-up.
CMOS General purpose I/O. Individually enabled pull-up.
Type
XTAL
XTAL
AN
AN
AN
AN
AN
AN
AN
AN
AN
AN
AN
AN
AN
—
—
—
—
—
—
—
—
—
—
—
—
—
Analog input Channel 0/Comparator 1 input – negative.
Comparator 1 negative input.
LCD analog output.
Analog input Channel 1/Comparator 2 input – negative.
Comparator 2 negative input.
LCD analog output.
Analog input Channel 2/Comparator 2 input – positive.
Comparator 2 positive input.
External Voltage Reference – negative.
LCD analog output.
Analog input Channel 3/Comparator 1 input – positive.
Comparator 1 positive input.
External Voltage Reference – positive.
LCD analog output.
Timer0 clock input.
LCD analog output.
Analog input Channel 4.
Slave select input.
LCD analog output.
Crystal/Resonator.
Timer1 oscillator output.
Crystal/Resonator.
Clock input.
Timer1 oscillator input.
External interrupt pin.
LCD analog output.
LCD analog output.
LCD analog output.
OSC
/4 reference clock.
Description
D = Direct
PIC16F946
DS41265A-page 7