PIC16F946T-I/PT Microchip Technology, PIC16F946T-I/PT Datasheet - Page 30

• 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

PIC16F946
REGISTER 3-1:
REGISTER 3-2:
DS41265A-page 28
bit 7-0
bit 7-0
PORTA – PORTA REGISTER (ADDRESS: 05h)
TRISA – PORTA TRI-STATE REGISTER (ADDRESS: 85h)
RA<7:0>: PORTA I/O Pin bits
1 = Port pin is >V
0 = Port pin is <V
TRISA<7:0>: PORTA Tri-State Control bits
1 = PORTA pin configured as an input (tri-stated)
0 = PORTA pin configured as an output
bit 7
Legend:
R = Readable bit
- n = Value at POR
bit 7
Legend:
R = Readable bit
- n = Value at POR
TRISA7
Note:
R/W-x
R/W-1
RA7
TRISA<7:6> always reads ‘1’ in XT, HS and LP OSC modes.
TRISA6
R/W-x
R/W-1
RA6
IH
IL
TRISA5
R/W-x
R/W-1
RA5
Preliminary
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
TRISA4
R/W-x
R/W-1
RA4
TRISA3
R/W-x
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-1
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
RA3
TRISA2
R/W-x
R/W-1
RA2
© 2005 Microchip Technology Inc.
x = Bit is unknown
x = Bit is unknown
TRISA1
R/W-x
R/W-1
RA1
TRISA0
R/W-x
R/W-1
RA0
bit 0
bit 0