參數(shù)資料
型號： μPD78056Y
廠商： NEC Corp.
英文描述： 8Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述： 8位單芯片微控制器（8位單片微控制器）
文件頁數(shù)： 39/74頁
文件大小： 574K
代理商： ΜPD78056Y
39
μ
PD78052Y, 78053Y, 78054Y, 78055Y, 78056Y, 78058Y
Subsystem Clock Oscillation Circuit Characteristics (T
A
= –40 to +85
°
C, V
DD
= 2.0 to 6.0 V)
Notes 1.
Indicates only oscillation circuit characteristics. Refer to
AC Characteristics
for instruction execution
time.
2.
Time required to stabilize oscillation after V
DD
reaches MIN. in the oscillation voltage range.
Cautions 1. When using the subsystem clock oscillator, wiring in the area enclosed with the broken line
should be carried out as follows to avoid an adverse effect from wiring capacitance.
Wiring should be as short as possible.
Wiring should not cross other signal lines.
Wiring should not be placed close to a varying high current.
The potential of the oscillator capacitor ground should be the same as VSS.
Do not ground wiring to a ground pattern in which a high current flows.
Do not fetch a signal from the oscillator.
2. The subsystem clock oscillation circuit is a circuit with a low amplification level, more prone
to misoperation due to noise than the main system clock. When using the subsystem clock,
pay special attention to wiring as described above.
XT2
XT1
IC
C4
C3
R2
XT1
XT2
MIN.
32
32
5
Resonator
Crystal
resonator
External
clock
Parameter
Oscillator
frequency (f
XT
)
Note 1
Oscillation
stabilization time
Note 2
XT1 input
frequency (f
XT
)
Note 1
XT1 input
high/low level width
(t
XTH
, t
XTL
)
Test Conditions
V
DD
= 4.5 to 6.0 V
TYP.
32.768
1.2
MAX.
35
2
10
100
15
Unit
kHz
s
kHz
μ
s
Recommended Circuit
相關(guān)PDF資料
PDF描述
μPD78052Y 8Bit Single Chip Microcontrollers(8位單片微控制器)
μPD78053Y 8Bit Single Chip Microcontrollers(8位單片微控制器)
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μPD78055Y 8Bit Single Chip Microcontrollers(8位單片微控制器)
μPD78058Y 8Bit Single Chip Microcontrollers(8位單片微控制器)
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