參數(shù)資料
型號: μPD780308Y
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機微控制器(8位單片微控制器)
文件頁數(shù): 23/72頁
文件大?。?/td> 531K
代理商: ΜPD780308Y
μ
PD780306Y, 780308Y
23
5.4
CLOCK OUTPUT CONTROL CIRCUIT
Clocks of the following frequency can be output as clock outputs.
19.5 kHz/39.1kHz/78.1 kHz/156 kHz/313 kHz/625 kHz/1.25 MHz/2.5 MHz/5.0 MHz (main system clock: in 5.0
MHz operation)
32.768 kHz (subsystem clock: in 32.768 kHz operation)
Figure 5-6. Clock Output Control Circuit Block Diagram
5.5
BUZZER OUTPUT CONTROL CIRCUIT
Clocks of the following frequency can be output as buzzer outputs.
1.2 kHz/2.4 kHz/4.9 kHz/9.8 kHz (main system clock : in 5.0 MHz operation)
Figure 5-7. Buzzer Output Control Circuit Block Diagram
PCL/P35
f
XX
/2
2
f
XX
/2
3
f
XX
/2
4
f
XX
/2
5
f
XX
/2
6
f
XX
/2
7
f
XT
Selector
Synchronization
circuit
f
XX
/2
f
XX
Output control circuit
BUZ/P36
Selector
f
XX
/2
9
f
XX
/2
10
f
XX
/2
11
Output control circuit
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