PIC16F946-E/PT Microchip Technology, PIC16F946-E/PT Datasheet - Page 78

• 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
FIGURE 4-3:
DS41265A-page 76
Note 1: A series resistor (R
Note 1: Quartz
C1
C2
2: The value of R
3: If using LP mode and T1OSC in enable,
2: Always verify oscillator performance over
quartz crystals with low drive level.
mode selected (typically between 2 M to
10 M
the LP oscillator will continue to run during
Sleep.
according to type, package and manufac-
turer. The user should consult the
manufacturer data sheets for specifica-
tions and recommended application.
the V
expected for the application.
Quartz
Crystal
OSC1
OSC2
R
S
(1)
DD
.
and temperature range that is
crystal
QUARTZ CRYSTAL
OPERATION (LP, XT OR
HS MODE)
F
varies with the oscillator
R
F
S
PIC16F946
(2)
) may be required for
characteristics
Sleep
To Int.
Logic
(3)
vary
Preliminary
FIGURE 4-4:
Note 1: A series resistor (R
C1
C2
2: The value of R
3: An additional parallel feedback resistor
Ceramic
Resonator
ceramic resonators with low drive level.
mode selected (typically between 2 M to
10 M
(R
resonator operation (typical value 1 M ).
P
) may be required for proper ceramic
R
OSC2
OSC1
R
F
.
S
(3)
(1)
CERAMIC RESONATOR
OPERATION
(XT OR HS MODE)
© 2005 Microchip Technology Inc.
F
varies with the oscillator
R
S
F
) may be required for
PIC16F946
(2)
Sleep
To Int.
Logic