PIC16F1939-I/PT Microchip Technology Inc., PIC16F1939-I/PT Datasheet - Page 407

• Manufacturer Part Number: PIC16F1939-I/PT
• Description: 44 TQFP 10x10x1mm TRAY, 28KB Flash, 1KB RAM, 256B EEPROM, LCD, 1.8-5.5V
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F1939-I/PT

• A/d Inputs: 14-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 8 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 36
• Interface: I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin TQFP
• Programmable Memory: 28K Bytes
• Ram Size: 1K Bytes
• Speed: 32 MHz
• Temperature Range: –40 to 125 °C
• Timers: 4-8-bit, 1-16-bit
• Voltage, Range: 1.8-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

TABLE 29-14: SPI MODE REQUIREMENTS
FIGURE 29-20:
 2009 Microchip Technology Inc.
Param
SP70* T
SP71* T
SP72* T
SP73* T
SP74* T
SP75* T
SP76* T
SP77* T
SP78* T
SP79* T
SP80* T
SP81* T
SP82* T
SP83* T
No.
SCL
SDA
Note: Refer to Figure 29-5 for load conditions.
*
† Data in “Typ” column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance
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
H
L
H2
L2
H2
R
F
H2
L2
L2
H2
L2
R
F
V2
V2
SC
SC
SC
SC
DO
SP90
DI
DO
SS
DI
DO
DO
SS
SC
SC
L
L,
H,
L
H,
L
H
V
V
H,
Z
V,
H,
L
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 after SCK edge
I
2
Condition
C™ BUS START/STOP BITS TIMING
Start
SP91
Characteristic
Preliminary
3.0-5.5V
1.8-5.5V
3.0-5.5V
1.8-5.5V
3.0-5.5V
1.8-5.5V
PIC16F193X/LF193X
1.5T
T
T
CY
CY
Min.
T
100
100
Tcy
CY
10
—
—
—
—
—
—
—
—
—
CY
+ 20
+ 20
+ 40
SP92
Typ† Max. Units Conditions
10
25
10
10
25
10
—
—
—
—
—
—
—
—
—
—
—
Condition
Stop
145
—
—
—
—
25
50
25
50
25
50
25
50
—
50
—
—
DS41364D-page 407
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
SP93