PIC16LF1902-ESS 查看數據表（PDF） - Microchip Technology

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PIC16LF1902-ESS

28-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology

Microchip Technology 

PIC16LF1902/3

FIGURE 18-19:

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

DS41455A-page 172

Preliminary

 2011 Microchip Technology Inc.

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