參數(shù)資料
型號(hào)： UPD780024AGB-xxx-8EU
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位單晶片微控制器
文件頁數(shù)： 23/96頁
文件大小： 661K
代理商： UPD780024AGB-XXX-8EU
23
μ
PD780021A, 780022A, 780023A, 780024A, 780021AY, 780022AY, 780023AY, 780024AY
Data Sheet U14042EJ4V0DS
5.2 Clock Generator
A system clock generator is incorporated.
The minimum instruction execution time can be changed.
Expanded-specification products of
μ
PD780021A, 780022A, 780023A, 780024A
0.166
μ
s/0.333
μ
s/0.666
μ
s/1.33
μ
s/2.66
μ
s
(@12 MHz, V
DD
= 4.5 to 5.5 V operation with main system clock)
122
μ
s (@32.768 kHz, V
DD
= 4.0 to 5.5 V operation with subsystem clock)
μ
PD780021AY, 780022AY, 780023AY, 780024AY, and conventional products of
μ
PD780021A, 780022A,
780023A, 780024A
0.238
μ
s/0.48
μ
s/0.95
μ
s/1.91
μ
s/3.81
μ
s (@8.38 MHz, V
DD
= 4.0 to 5.5 V operation with main system clock)
122
μ
s (@32.768 kHz, V
DD
= 4.0 to 5.5 V operation with subsystem clock)
Figure 5-1. Clock Generator Block Diagram
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
controller
Wait
controller
2
f
X
2
2
f
X
2
3
f
X
2
4
f
X
f
XT
2
Prescaler
Selector
STOP
2
1
HALT
相關(guān)PDF資料
PDF描述
UPD780024ACW-xxx Circular Connector; No. of Contacts:55; Series:JTP02R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Box Mount Receptacle
UPD780024AF1-xxx-CN3 8-BIT SINGLE-CHIP MICROCONTROLLERS
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