PIC16F946T-I/PT Microchip Technology, PIC16F946T-I/PT Datasheet - Page 76

• 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
TABLE 4-1:
DS41265A-page 74
LFIOSC
HFIOSC
XT or HS
LP
LP with T1OSC
enabled
EC, RC
EC, RC
System Clock
Source
OSCILLATOR DELAY EXAMPLES
125 kHz-8 MHz
Frequency
4-20 MHz
0-20 MHz
0-20 MHz
31 kHz
32 kHz
32 kHz
INTOSC or Sleep
INTOSC or Sleep
Switching From
LFIOSC
Sleep
Sleep
Sleep
Sleep
Preliminary
10 s internal delay Following a wake-up from Sleep mode
10 s internal delay Following a wake-up from Sleep mode
10 s internal delay Following a wake-up from Sleep mode,
10 s internal delay Following a wake-up from Sleep mode
10 s internal delay Following a switch from a LFIOSC or
1024 clock cycles
1024 clock cycles
Oscillator Delay
(T
OST
)
or POR, an internal delay is invoked to
allow the memory bias to stabilize
before program execution can begin.
or POR, an internal delay is invoked to
allow the memory bias to stabilize
before program execution can begin.
Following a change from INTOSC, an
OST of 1024 cycles must occur.
Following a change from INTOSC, an
OST of 1024 cycles must occur. See
Section 4.3.1.1 “Special Case” for
special case conditions.
an internal delay is invoked to allow the
memory bias to stabilize before
program execution can begin. See
Section 4.3.1.1 “Special Case” for
details about this special case.
or POR, an internal delay is invoked to
allow the memory bias to stabilize
before program execution can begin.
POR, an internal delay is invoked to
allow the memory bias to stabilize
before program execution can begin.
© 2005 Microchip Technology Inc.
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