參數(shù)資料
型號: UPD178024GC-051-8BT
廠商: NEC Corp.
元件分類: 通用總線功能
英文描述: 8-BIT SINGLE-CHIP MICROCONTROLLER WITH ON-CHIP PRESCALER, PLL FREQUENCY SYNTHESIZER, AND IF COUNTER FOR AUTOMOTIVE FM/MW/LW RADIO WITH CD PLAYER
中文描述: 8位單片機具有片上標器,鎖相環(huán)頻率合成器,如柜臺,汽車調(diào)頻/中波/龍運收音機帶CD播放器
文件頁數(shù): 79/98頁
文件大?。?/td> 467K
代理商: UPD178024GC-051-8BT
Data Sheet U14608EJ1V0DS00
79
μ
PD178024GC-051
12. MUTE OUTPUT TIMING CHART
Timing charts illustrating the mute output timing are shown below.
Charts <1> through <11> show the time required for each of the following processing, which is the value shown in
parentheses ( ) unless otherwise specified.
<1> Key ON chattering suppression time (20 to 40 ms)
<2> Key OFF chattering suppression time (20 ms MAX.)
<3> Key OFF wait time
<4> Mute leading time (40 to 50 ms)
<5> Division ratio setup time (500 to 510 ms at band edge, 0 ms at other edges)
<6> PLL lock wait time
<7> S meter stabilization wait time (20 to 30 ms)
<8> IF measurement time (12 to 30 ms, IF counter gate open time: 4 ms
×
3 times)
<9> Mute trailing time
<10> Preset hold time (6.0 to 6.1 seconds)
<11> Chattering suppression time of ACC and BATT pins (10 to 12 ms)
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