PIC16F946-E/PT Microchip Technology, PIC16F946-E/PT Datasheet - Page 40

• 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
REGISTER 3-3:
REGISTER 3-4:
REGISTER 3-5:
DS41265A-page 38
bit 7-0
bit 7-0
bit 7-4
bit 3-0
PORTB – PORTB REGISTER (ADDRESS: 06h OR 106h)
TRISB – PORTB TRI-STATE REGISTER (ADDRESS: 86h, 186h)
IOCB – PORTB INTERRUPT-ON-CHANGE REGISTER (ADDRESS: 96h)
RB<7:0>: PORTB I/O Pin bits
1 = Port pin is >V
0 = Port pin is <V
TRISB<7:0>: PORTB Tri-State Control bits
1 = PORTB pin configured as an input (tri-stated)
0 = PORTB pin configured as an output
IOCB<7:4>: Interrupt-on-Change bits
1 = Interrupt-on-change enabled
0 = Interrupt-on-change disabled
Unimplemented: Read as ‘0’
bit 7
Legend:
R = Readable bit
- n = Value at POR
bit 7
Legend:
R = Readable bit
- n = Value at POR
bit 7
Legend:
R = Readable bit
- n = Value at POR
TRISB7
Note:
IOCB7
R/W-x
R/W-1
R/W-0
RB7
TRISB<7:6> always reads ‘1’ in XT, HS and LP OSC modes.
TRISB6
IOCB6
R/W-x
R/W-1
R/W-0
RB6
IH
IL
TRISB5
IOCB5
R/W-x
R/W-1
R/W-0
RB5
Preliminary
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
TRISB4
IOCB4
R/W-x
R/W-1
R/W-0
RB4
TRISB3
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
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
RB3
U-0
—
TRISB2
R/W-x
R/W-1
RB2
U-0
—
© 2005 Microchip Technology Inc.
x = Bit is unknown
x = Bit is unknown
x = Bit is unknown
TRISB1
R/W-x
R/W-1
RB1
U-0
—
TRISB0
R/W-x
R/W-1
RB0
U-0
—
bit 0
bit 0
bit 0