PIC16F946T-I/PT Microchip Technology, PIC16F946T-I/PT Datasheet - Page 154

• 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 12-1:
REGISTER 12-2:
DS41265A-page 152
bit 7-0:
bit 7
bit 6
bit 5
bit 4-2
bit 1
bit 0
ANSEL – ANALOG SELECT REGISTER (ADDRESS: 91h)
ADCON0 – A/D CONTROL REGISTER (ADDRESS: 1Fh)
bit 7
ANS<7:0>: Analog Select bits
Select between analog or digital function on pins AN<7:0>, respectively.
1 = Analog input. Pin is assigned as analog input.
0 = Digital I/O. Pin is assigned to port or special function.
bit 7
ADFM: A/D Result Formed Select bit
1 = Right justified
0 = Left justified
VCFG1: Voltage Reference bit
1 = V
0 = V
VCFG0: Voltage Reference bit
1 = V
0 = V
CHS<2:0>: Analog Channel Select bits
000 = Channel 00 (AN0)
001 = Channel 01 (AN1)
010 = Channel 02 (AN2)
011 = Channel 03 (AN3)
100 = Channel 04 (AN4)
101 = Channel 05 (AN5)
110 = Channel 06 (AN6)
111 = Channel 07 (AN7)
GO/DONE: A/D Conversion Status bit
1 = A/D conversion cycle in progress. Setting this bit starts an A/D conversion cycle.
0 = A/D conversion completed/not in progress
ADON: A/D Conversion Status bit
1 = A/D converter module is operating
0 = A/D converter is shut off and consumes no operating current
Legend:
R = Readable bit
- n = Value at POR
Legend:
R = Readable bit
- n = Value at POR
R/W-1
R/W-0
ADFM
ANS7
Note 1: Setting a pin to an analog input automatically disables the digital input circuitry,
This bit is automatically cleared by hardware when the A/D conversion has completed.
REF
REF
SS
DD
- pin
+ pin
weak pull-ups, and interrupt-on-change, if available. The corresponding TRIS bit
must be set to Input mode in order to allow external control of the voltage on the pin.
VCFG1
R/W-1
R/W-0
ANS6
VCFG0
R/W-1
ANS5
R/W-0
Preliminary
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
R/W-1
ANS4
R/W-0
CHS2
R/W-0
CHS1
(1)
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-1
ANS3
R/W-0
CHS0
R/W-1
ANS2
© 2005 Microchip Technology Inc.
GO/DONE
x = Bit is unknown
x = Bit is unknown
R/W-0
R/W-1
ANS1
R/W-0
ADON
R/W-1
ANS0
bit 0
bit 0