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| PIC16F193X Datasheet, PDF (270/418 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology | |||
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PIC16F193X/LF193X
FIGURE 21-18:
COM0
COM1
COM2
COM3
WAVEFORMS AND INTERRUPT TIMING IN QUARTER-DUTY CYCLE DRIVE
(EXAMPLE â TYPE-B, NON-STATIC)
LCD
Interrupt
Occurs
Controller Accesses
Next Frame Data
V3
V2
V1
V0
V3
V2
V1
V0
V3
V2
V1
V0
V3
V2
V1
V0
Frame
Boundary
2 Frames
Frame
Boundary
TFINT
TFWR
TFWR = TFRAME/2*(LMUX<1:0> + 1) + TCY/2
TFINT = (TFWR/2 â (2 TCY + 40 ns)) â minimum = 1.5(TFRAME/4) â (2 TCY + 40 ns)
(TFWR/2 â (1 TCY + 40 ns)) â maximum = 1.5(TFRAME/4) â (1 TCY + 40 ns)
Frame
Boundary
DS41364A-page 268
Preliminary
© 2008 Microchip Technology Inc.
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