参数资料
型号: mPD789322
厂商: NEC Corp.
元件分类: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器与2/4/8K字节在系统可编程闪存
文件页数: 20/96页
文件大小: 482K
代理商: MPD789322
Preliminary Product Information U14673EJ1V0PM00
27
PD789322,789324,789326,789327
Figure 5-7. Clock Generator Block Diagram
Subsystem
clock
oscillatior
fXT
X1
X2
XT1
XT2
Main system
clock
oscillator
fX
22
fXT
2
1/2
Prescaler
Watch timer
LCD controller/driver
Clock to peripheral hardware
CPU clock
(fCPU)
Standby
control
circuit
Wait
control
circuit
Selector
STOP
MCC PCC1
CLS CSS0
Internal bus
Subclock oscillation mode
register (SCKM)
FRC SCC
Internal bus
Subclock control
register (CSS)
Processor clock control
register (PCC)
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