PIC16F946T-I/PT Microchip Technology, PIC16F946T-I/PT Datasheet - Page 20
PIC16F946T-I/PT
Manufacturer Part Number
PIC16F946T-I/PT
Description
Microcontroller
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F913-ISS.pdf
(8 pages)
3.PIC16F913-ISS.pdf
(34 pages)
4.PIC16F946T-IPT.pdf
(274 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F946T-I/PT
Manufacturer:
MICROCHIP
Quantity:
12 000
Company:
Part Number:
PIC16F946T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16F913-ISS PDF datasheet #2
- PIC16F913-ISS PDF datasheet #3
- PIC16F946T-IPT PDF datasheet #4
- Current page: 20 of 274
- Download datasheet (5Mb)
PIC16F946
2.2.2.2
The Option register is a readable and writable register,
which contains various control bits to configure:
• TMR0/WDT prescaler
• External RB0/INT interrupt
• TMR0
• Weak pull-ups on PORTB
REGISTER 2-2:
DS41265A-page 18
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2-0
Option Register
OPTION_REG – OPTION REGISTER (ADDRESS: 81h OR 181h)
RBPU: PORTB Pull-up Enable bit
1 = PORTB pull-ups are disabled
0 = PORTB pull-ups are enabled by individual port latch values
INTEDG: Interrupt Edge Select bit
1 = Interrupt on rising edge of RB0/INT/SEG0 pin
0 = Interrupt on falling edge of RB0/INT/SEG0 pin
T0CS: TMR0 Clock Source Select bit
1 = Transition on RA4/C1OUT/T0CKI/SEG4 pin
0 = Internal instruction cycle clock (CLKO)
T0SE: TMR0 Source Edge Select bit
1 = Increment on high-to-low transition on RA4/C1OUT/T0CKI/SEG4 pin
0 = Increment on low-to-high transition on RA4/C1OUT/T0CKI/SEG4 pin
PSA: Prescaler Assignment bit
1 = Prescaler is assigned to the WDT
0 = Prescaler is assigned to the Timer0 module
PS<2:0>: Prescaler Rate Select bits
bit 7
Legend:
R = Readable bit
- n = Value at POR
R/W-1
RBPU
Bit Value
000
001
010
011
100
101
110
111
INTEDG
R/W-1
TMR0 Rate
1 : 2
1 : 4
1 : 8
1 : 16
1 : 32
1 : 64
1 : 128
1 : 256
R/W-1
T0CS
Preliminary
W = Writable bit
‘1’ = Bit is set
WDT Rate
R/W-1
T0SE
1 : 1
1 : 2
1 : 4
1 : 8
1 : 16
1 : 32
1 : 64
1 : 128
Note:
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-1
PSA
To achieve a 1:1 prescaler assignment for
TMR0, assign the prescaler to the WDT by
setting PSA bit to ‘1’ (OPTION_REG<3>).
See Section 5.4 “Prescaler”.
R/W-1
PS2
© 2005 Microchip Technology Inc.
x = Bit is unknown
R/W-1
PS1
R/W-1
PS0
bit 0
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