參數(shù)資料
型號(hào): μPD789101
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(jī)微控制器
文件頁數(shù): 15/48頁
文件大?。?/td> 218K
代理商: ΜPD789101
Preliminary Product Information
15
μ
PD789101, 789102, 789104
5.2
Clock Generator
An on-chip main system clock generator is provided.
It is possible to change the instruction execution time.
0.4
μ
s/ 1.6
μ
s (when the main system clock operates at 5.0 MHz)
Figure 5-1. Block Diagram of Clock Generator
X1
X2
STOP
f
X
Prescaler
f
X
2
2
Prescaler
Clock to
peripheral hardware
CPU clock (f
CPU
)
Standby
control
circuit
Wait
control
circuit
S
Main
system
clock
oscillator
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