PIC16F946T-I/PT Microchip Technology, PIC16F946T-I/PT Datasheet - Page 246

• 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 19-5:
FIGURE 19-8:
DS41265A-page 244
Param
SCK/SCL/SEG9
SDI/SDA/SEG8
No.
40*
41*
42*
45*
46*
47*
48
RC7/RX/DT/
RC6/TX/CK
Note:
*
†
T
T
T
T
T
T
F
TCKEZ
T
T
T
T
T
T
T
0H
0L
0P
1H
1L
1P
1
These parameters are characterized but not tested.
Data in ‘Typ’ column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
tested.
Sym
TMR
Refer to Figure 19-2 for load conditions.
TIMER0 AND TIMER1 EXTERNAL CLOCK REQUIREMENTS
1 Delay from external clock edge to timer
T0CKI High Pulse Width
T0CKI Low Pulse Width
T0CKI Period
T1CKI High
Time
T1CKI Low
Time
T1CKI Input
Period
Timer1 oscillator input frequency range
(oscillator enabled by setting bit T1OSCEN)
increment
USART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
Synchronous, No Prescaler
Synchronous,
with Prescaler
Asynchronous
Synchronous, No Prescaler
Synchronous,
with Prescaler
Asynchronous
Synchronous
Asynchronous
120
Characteristic
121
No Prescaler
With Prescaler
No Prescaler
With Prescaler
Preliminary
3.0-5.5V
2.0-5.5V
3.0-5.5V
2.0-5.5V
3.0-5.5V
2.0-5.5V
3.0-5.5V
2.0-5.5V
2.0-5.5V
3.0-5.5V
2.0-5.5V
3.0-5.5V
121
30
50
20 or T
G
0.5 T
0.5 T
0.5 T
0.5 T
Greater of:
REATER OF
OR
OR
2 T
Min
100
DC
CY
10
CY
10
CY
15
25
30
50
CY
15
25
30
50
60
T
T
OSC
CY
CY
CY
N
N
N
+ 20
+ 20
+ 20
+ 20
+ 40
*
+ 40
+ 40
:
122
Typ†
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
© 2005 Microchip Technology Inc.
7 T
Max
37*
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
OSC
*
Units
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
—
N = prescale
value (2, 4, ...,
256)
N = prescale
value (1, 2, 4, 8)
Conditions