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參數(shù)資料
| 型號(hào)： | UPD161401P |
| 廠商： | NEC Corp. |
| 英文描述： | CABLE ASSEMBLY; N MALE TO TNC MALE; 50 OHM, RG214/U COAX, DOUBLE SHIELDED; 12" CABLE LENGTH |
| 中文描述： | 256色，1/80-DUTY LCD控制器/驅(qū)動(dòng)器，片內(nèi)RAM |
| 文件頁(yè)數(shù)： | 33/124頁(yè) |
| 文件大?。?/td> | 647K |
| 代理商： | UPD161401P |
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Data Sheet S15726EJ2V0DS
33
μ
PD161401
5.3.2
Example of setting blink area
This section explains how to specify an area to be blinked, taking complementary color blinking as an example. The
same setting is also applied to specified color blinking and reverse display.
(1) Example of using 1 chip at duty ratio of 1/80
T.B.D.
Remark
T.B.D. (To be determined.)
(2) Example of using 2 chip (Master and slave) at duty ratio of 1/80
T.B.D.
5.4 Oscillator
The
μ
PD161401 has a CR oscillator (with external R) for main duty/sub-duty display. This oscillator generates the
display clock.
This oscillator is controlled by the DTY flag of control register 2 (R1), and the configuration of its display clock can be
set in accordance with the system used.
The function of each circuit of the oscillator is shown below. The main duty display/sub-duty display oscillator
becomes valid only when oscillation resistors (RM and RS) are connected to it. The clock for main duty display or sub-
duty display can be selected depending on the status of the DTY flag of control register 2 (R1).
Figure 5
11. Oscillator Block
OSC
IN1
OSC
SYNC
OSC
OUT
OSC
IN2
Selected by DTY
Oscillator for
main duty/sub-duty
To graphic driver circuit
The relationship between the frame frequency (f
FRAME
) in the normal display mode, oscillation frequency (f
OSCINn
), and
set duty frame is as follows.
f
FRAME
= f
OSCINn
÷
16
÷
N
N = Duty ratio
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| UPD161401W | 制造商:NEC 制造商全稱:NEC 功能描述:256-COLOR, 1/80-DUTY LCD CONTROLLER/DRIVER WITH ON-CHIP RAM |
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| UPD161602BP | 制造商:NEC 制造商全稱:NEC 功能描述:360/396-OUTPUT TFT-LCD SOURCE DRIVER |
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