參數資料
型號: μPD780034Y
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機微控制器
文件頁數: 18/66頁
文件大?。?/td> 454K
代理商: ΜPD780034Y
μ
PD780031Y, 780032Y, 780033Y, 780034Y
Preliminary Data Sheet
18
5.2 Clock Generator
A system clock generator is incorporated.
Also, the variation of the minimum instruction execution time is available.
0.24
μ
s/0.48
μ
s/0.95
μ
s/1.91
μ
s/3.81
μ
s (at 8.38-MHz operation with main system clock)
122
μ
s (at 32.768-kHz operation with subsystem clock)
Figure 5-1. Block Diagram of Clock Generator
XT1
XT2
X1
X2
f
XT
f
X
Subsystem
clock
oscillator
Watch timer, clock
output function
Prescaler
Main system
clock
oscillator
Clock to peripheral
hardware
CPU clock
(f
CPU
)
Standby
control
circuit
Wait control
circuit
2
f
X
2
2
f
X
2
3
f
X
2
4
f
X
f
XT
2
Prescaler
Selector
STOP
2
1
相關PDF資料
PDF描述
μPD780031 8 Bit Single Chip Microcontrollers(8位單片微控制器)
μPD780032 8 Bit Single Chip Microcontrollers(8位單片微控制器)
μPD780033 8 Bit Single Chip Microcontrollers(8位單片微控制器)
μPD780034 8 Bit Single Chip Microcontrollers(8位單片微控制器)
μPD780053 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
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