參數(shù)資料
型號: PD780308
廠商: NEC Corp.
元件分類: DC/DC變換器
英文描述: 1 watt dc-dc converters
中文描述: 1瓦的DC - DC轉(zhuǎn)換器
文件頁數(shù): 21/72頁
文件大小: 510K
代理商: PD780308
21
m
PD78042F, 78043F, 78044F, 78045F
5.4 CLOCK OUTPUT CONTROL CIRCUIT
Clocks of the following frequencies can be output to the clock:
19.5 kHz/39.1 kHz/78.1 kHz/156 kHz/313 kHz/625 kHz (with main system clock: 5.0 MHz)
32.768 kHz (with subsystem clock: 32.768 kHz)
Fig. 5-7 Clock Output Control Circuit Block Diagram
5.5 BUZZER OUTPUT CONTROL CIRCUIT
Clocks of the following frequencies can be output to the buzzer:
1.2 kHz/2.4 kHz/4.9 kHz (with main system clock: 5.0 MHz)
Fig. 5-8 Buzzer Output Control Circuit Block Diagram
f
X
/2
3
f
X
/2
4
f
X
/2
5
f
X
/2
6
f
X
/2
7
f
X
/2
8
f
XT
S
PCL/P35
Sync circuit
Output control circuit
f
X
/2
10
f
X
/2
11
f
X
/2
12
S
Output control circuit
BUZ/P36
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