UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 352
UPD78F9222MC(T)-5A4-A
Manufacturer Part Number
UPD78F9222MC(T)-5A4-A
Description
8BIT MCU, 4K FLASH, 256B RAM, 78F9222
Manufacturer
NEC
Datasheet
1.UPD78F9222MCT-5A4-A.pdf
(414 pages)
Specifications of UPD78F9222MC(T)-5A4-A
Controller Family/series
UPD78
No. Of I/o's
17
Ram Memory Size
256Byte
Cpu Speed
10MHz
No. Of Timers
4
No. Of
RoHS Compliant
Core Size
8bit
Program Memory Size
4KB
Oscillator Type
External, Internal
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X1 Oscillator Characteristics (T
Notes 1.
Caution When using the X1 oscillator, wire as follows in the area enclosed by the broken lines in the above
Remark For the resonator selection and oscillator constant, users are required to either evaluate the oscillation
352
Ceramic
resonator
Crystal
resonator
External
clock
Resonator Recommended Circuit
2.
figures to avoid an adverse effect from wiring capacitance.
• Keep the wiring length as short as possible.
• Do not cross the wiring with the other signal lines.
• Do not route the wiring near a signal line through which a high fluctuating current flows.
• Always make the ground point of the oscillator capacitor the same potential as V
• Do not ground the capacitor to a ground pattern through which a high current flows.
• Do not fetch signals from the oscillator.
themselves or apply to the resonator manufacturer for evaluation.
Use this product in a voltage range of 2.26 to 5.5 V because the detection voltage (V
clear (POC) circuit is 2.26 V (MAX.).
Indicates only oscillator characteristics. Refer to AC Characteristics for instruction execution time.
V
V
SS
SS
C1
C1
X1
X1
X1
C2
C2
CHAPTER 22 ELECTRICAL SPECIFICATIONS ((A2) grade product)
X2
X2
A
Oscillation
frequency (f
Oscillation
frequency (f
X1 input
frequency (f
X1 input high-
/low-level width
(t
= −40 to +125°C, V
XH
, t
Parameter
XL
)
X
X
X
)
)
)
User’s Manual U16898EJ5V0UD
Note 2
Note 2
Note 2
2.7 V ≤ V
2.0 V ≤ V
2.7 V ≤ V
2.0 V ≤ V
DD
= 2.0 to 5.5 V
DD
DD
DD
DD
≤ 5.5 V
< 2.7 V
≤ 5.5 V
< 2.7 V
Conditions
Note 1
, V
SS
(A2) grade product T
= 0 V)
0.057
MIN.
0.09
2.0
2.0
2.0
2.0
POC
TYP.
A
SS
) of the power-on-
=
.
−
40 to
MAX.
0.25
0.25
8.0
8.0
8.0
5.0
+
125
MHz
MHz
MHz
Unit
µ
°C
s
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