參數(shù)資料
型號(hào)： UPD6451AGT-301
英文描述： On-Screen Display Circuit
中文描述： 屏幕顯示電路
文件頁(yè)數(shù)： 21/68頁(yè)
文件大?。?/td> 301K
代理商： UPD6451AGT-301
21
μ
PD63, 63A, 64
4.3 Carrier Output
The carrier for remote-controlled transmission can be output from the REM pin by clearing (to 0) bit 2 of the control
register 0.
As shown in Figure 4-3, in the case where the timer stops when the carrier is at a high level, the carrier continues
to be output until its next fall and then stops due to the function of the carrier synchronous circuit. When the timer
starts operation, however, the high-level width of the first carrier may become shorter than the specified width.
Figure 4-3. Timer Output (when carrier is output)
Timer value: (Set value+1)
×
64/f
X
(or 128/f
X
)
LED
REM (at low-level start)
REM (at high-level start)
Note 1
Note 2
Notes 1.
Error when the REM output ends: Lead by “the carrier’s low-level width” to lag by “the carrier’s high-
level width”
2.
Error of the carrier’s high-level width: 0 to “the carrier’s high-level width”
4.4 Software Control of Timer Output
The timer output can be controlled by software. As shown in Figure 4-4, the pulse with a minimum width of 1-
instruction cycle (64/f
X
) can be output.
Figure 4-4. Pulse Output of 1-Instruction Cycle Width
MOV T, #0000000000B; low-level output from the REM pin
MOV T, #1000000000B; high-level output from the REM pin
MOV T, #0000000000B; low-level output from the REM pin
…
64/f
X
LED
REM
…
…
相關(guān)PDF資料
PDF描述
UPD6452CS-002 On-Screen Display Circuit
UPD6452GT-102 On-Screen Display Circuit
UPD6453 UPD6453 Data Sheet | Data Sheet[11/1990]
UPD6453CY-001 On-Screen Display Circuit
UPD6453GT-101 On-Screen Display Circuit
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD6452CS-002 制造商:未知廠家 制造商全稱:未知廠家 功能描述:On-Screen Display Circuit
UPD6452GT-102 制造商:未知廠家 制造商全稱:未知廠家 功能描述:On-Screen Display Circuit
UPD6453 制造商:NEC 制造商全稱:NEC 功能描述:MOS INTEGRATED CIRCUIT CMOS LSI FOR 12 lines X 24 columns CHARACTER DISPLAY ON SCREEN
UPD6453CY 制造商:NEC 制造商全稱:NEC 功能描述:MOS INTEGRATED CIRCUIT CMOS LSI FOR 12 lines X 24 columns CHARACTER DISPLAY ON SCREEN
UPD6453CY-001 制造商:未知廠家 制造商全稱:未知廠家 功能描述:On-Screen Display Circuit
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