參數(shù)資料
型號(hào): UPD703204
廠(chǎng)商: NEC Corp.
英文描述: 32-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 32位單晶片微控制器
文件頁(yè)數(shù): 66/98頁(yè)
文件大小: 797K
代理商: UPD703204
Preliminary Product Information U15436EJ1V0PM
66
μ
PD703201, 703201Y, 703204, 703204Y, 70F3201, 70F3201Y, 70F3204, 70F3204Y
Recommended Oscillator
(1) Main clock oscillator (T
A
= –40 to +85°C)
(a) Connection of ceramic resonator or crystal resonator
X1
X2
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
V
DD
=
2.3 to 2.7 V
2
17
MHz
Oscillation frequency
f
X
(f
XX
)
V
DD
=
2.2 to 2.7 V
2
13.5
MHz
Upon reset release
2
19
/f
X
s
Oscillation stabilization time
Upon STOP mode release
Note
s
Note
The TYP. value differs depending on the setting of the oscillation stabilization time select register (OSTS).
Caution Ensure that the duty of the oscillation waveform is between 45% and 55%.
Remarks 1.
Connect the oscillator as close as possible to the X1 and X2 pins.
Do not route the wiring near broken lines.
For the resonator selection and oscillator constant, customers are requested to either evaluate the
oscillation themselves or apply to the resonator manufacturer for evaluation.
2.
3.
(b) External clock input
X1
X2
High-speed CMOS inverter
External clock
Open
Cautions
1. Connect the high-speed CMOS inverter as close as possible to the X1 pin.
2. Sufficiently evaluate the matching between the V850ES/SA2, V850ES/SA3 and the high-
speed CMOS inverter.
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