PIC16F1933_11 Datasheet, PDF (344/430 Pages) Microchip Technology – 28-Pin Flash-Based, 8-Bit CMOS Microcontrollers LCD Driver and nanoWatt XLP Technology

PIC16(L)F1933
FIGURE 27-19:
COM0
COM1
COM2
COM3
WAVEFORMS AND INTERRUPT TIMING IN QUARTER-DUTY CYCLE DRIVE
(EXAMPLE – TYPE-B, NON-STATIC)
LCD
Interrupt
Occurs
Controller Accesses
Next Frame Data
V₃
VV₂₁
V₀
V₃
VV₂₁
V₀
V₃
VV₂₁
V₀
V₃
VV₂₁
V₀
Frame
Boundary
2 Frames
Frame
Boundary
TFINT
TFWR
TFWR = TFRAME/2*(LMUX<1:0> + 1) + TCY/2
TFINT = (TFWR/2 – (2 TCY + 40 ns))  minimum = 1.5(TFRAME/4) – (2 TCY + 40 ns)
(TFWR/2 – (1 TCY + 40 ns))  maximum = 1.5(TFRAME/4) – (1 TCY + 40 ns)
Frame
Boundary
DS41575A-page 344
Preliminary
 2011 Microchip Technology Inc.