PIC16F1939-I/PT Microchip Technology Inc., PIC16F1939-I/PT Datasheet - Page 356

• 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

PIC16F193X/LF193X
FIGURE 26-19:
DS41364D-page 356
COM0
COM1
COM2
COM3
T
T
FWR
FINT
= T
= (T
(T
FRAME
FWR
FWR
/2 – (2 T
/2 – (1 T
Frame
Boundary
/2*(LMUX<1:0> + 1) + T
(EXAMPLE – TYPE-B, NON-STATIC)
WAVEFORMS AND INTERRUPT TIMING IN QUARTER-DUTY CYCLE DRIVE
CY
CY
+ 40 ns))  minimum = 1.5(T
+ 40 ns))  maximum = 1.5(T
CY
/2
Preliminary
2 Frames
FRAME
FRAME
Frame
Boundary
/4) – (2 T
/4) – (1 T
CY
CY
LCD
Interrupt
Occurs
+ 40 ns)
+ 40 ns)
T
FWR
T
FINT
 2009 Microchip Technology Inc.
Controller Accesses
Next Frame Data
Frame
Boundary
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
3
2
1
0
3
2
1
0
3
2
1
0
3
2
1
0