PIC16F946T-I/PT Microchip Technology, PIC16F946T-I/PT Datasheet - Page 252

• 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 19-12: SPI™ MODE REQUIREMENTS
FIGURE 19-15:
DS41265A-page 250
Param
No.
70*
71*
72*
73*
74*
75*
76*
77*
78*
79*
80*
81*
82*
83*
SCL
SDA
Note: Refer to Figure 19-2 for load conditions.
*
† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
SS
SS
SC
SC
SC
SC
SS
SC
SC
SC
SC
SS
SC
SC
DI
DI
DO
DO
DO
DO
Symbol
These parameters are characterized but not tested.
only and are not tested.
V2
V2
L2
L2
H2
L2
H
L
H2
L2
R
F
H2
L2
H2
L2
R
F
V2
V2
SC
SC
SC
SC
DO
DI
DO
SS
DO
DI
DO
SS
SC
SC
L
L,
H,
L
H,
L
H
V
V
H,
Z
V,
H,
L
90
SS to SCK or SCK input
SCK input high time (Slave mode)
SCK input low time (Slave mode)
Setup time of SDI data input to SCK edge
Hold time of SDI data input to SCK edge
SDO data output rise time
SDO data output fall time
SS to SDO output high-impedance
SCK output rise time
(Master mode)
SCK output fall time (Master mode)
SDO data output valid after
SCK edge
SDO data output setup to SCK edge
SDO data output valid after SS edge
SS
I
2
Condition
C™ BUS START/STOP BITS TIMING
Start
after SCK edge
91
Characteristic
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
1.5T
T
T
CY
CY
Min
100
100
T
T
CY
10
—
—
—
—
—
—
—
—
—
CY
CY
+ 20
+ 20
+ 40
Typ†
10
25
10
10
25
10
—
—
—
—
—
—
—
—
—
—
—
92
© 2005 Microchip Technology Inc.
Condition
Max Units Conditions
Stop
145
25
50
25
50
25
50
25
50
50
—
—
—
—
—
—
—
93
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns