1 lcdc features according to lcd driver type – Toshiba H1 Series User Manual

Page 512

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TMP92CZ26A

92CZ26A-509

3.19.1 LCDC Features according to LCD Driver Type

Table 3.19.1 LCDC Features according to LCD Driver Type

(This table assumes the connection with a TOSHIBA-made LCD driver.)

Shift Register Type

LCD Driver

TFT STN

Display colors

256/4096/65536/262144/16777216 colors

Monochrome, 4/16/64 grayscale levels
256/4096

colors

For 65536 colors or less
Rows (Commons):

64, 96, 128, 160, 200, 240, 320, 480

Columns (Segments):

64, 128, 160, 240, 320, 640

Rows (Commons):

64, 96, 120, 128, 160, 200, 240, 320, 480

Columns (Segments):

64, 120, 128, 160, 240, 320, 480, 640

Number of pixels that can be
displayed

For 65536 colors or more
Rows (Commons):

64, 96, 128, 160, 200, 240, 320, 480

Columns (Segments):

64, 128, 160, 240, 320

Data rotation function

Horizontal flip, vertical flip, horizontal and vertical flip, 90-degree rotation

(supported for QVGA size, 65536 colors only)

PIP function support

A sub window can be inserted.

Source data bus width
(SRAM, SDRAM)

16 bits (32 bits: internal RAM)

16 bits (32 bits: internal RAM)

Destination data bus width
(LCD driver)

8 to 24 bits

8 bits

Maximum transfer rate

(VRAM read)

(at f

SYS

= 80 MHz)

4.17 ns/byte at internal RAM

LCD driver data bus:
LD23

to LD0 pins

To be connected to LCD driver data bus.

8-bit mode: LD7 to LD0
TFT mode: LD23 to LD0

LCP0 pin

Data shift clock for TFT source driver

Shift clock pulse output pin 0. To be connected to
column driver’s CP pin. The LCD driver latches the
data bus value on the falling edge of this pin.

LHSYNC pin

Vertical shift clock for TFT gate driver

Latch pulse output pin. To be connected to the LCD
driver’s LP pin. The display data in the LCD driver’s
output line register is updated on the rising edge of
this pin.

LLOAD pin

Enable signal for TFT source driver to load data
to TFT panel

N/A

LGOE0

to LGOE2

pins

Adjustment signal for TFT gate driver’s gate
control signal

N/A

LFR pin

LCD alternate signal output pin. To be connected
to column/row driver’s FR pin.

LCD alternate signal output pin. To be connected to
column/row driver’s FR pin.

LVSYNC pin

This signal indicates the start of shift clock
capture by TFT gate driver.

Frequency that sets LCD refresh rate

Ex

te

rn

al Pins

LDIV pin

This signal indicates the inversion of data. To be
connected to TFT source driver having the data
inversion function.

N/A

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