參數(shù)資料
型號(hào): μPD789112
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(jī)微控制器(8位單片微控制器)
文件頁(yè)數(shù): 16/48頁(yè)
文件大小: 221K
代理商: ΜPD789112
Preliminary Product Information
16
μ
PD789111, 789112, 789114
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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