UPD78F0535GB(T)-UEU-A NEC, UPD78F0535GB(T)-UEU-A Datasheet - Page 616
UPD78F0535GB(T)-UEU-A
Manufacturer Part Number
UPD78F0535GB(T)-UEU-A
Description
8BIT MCU, 60K FLASH, 3KB RAM, LQFP
Manufacturer
NEC
Datasheet
1.UPD78F0535GBT-UEU-A.pdf
(773 pages)
Specifications of UPD78F0535GB(T)-UEU-A
Controller Family/series
UPD78
No. Of I/o's
55
Ram Memory Size
3KB
Cpu Speed
20MHz
No. Of Timers
8
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
60KB
Oscillator Type
External, Internal
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Internal Oscillator Characteristics
(T
Note Indicates only oscillator characteristics. Refer to AC Characteristics for instruction execution time.
Remark RSTS: Bit 7 of the internal oscillation mode register (RCM))
XT1 Oscillator Characteristics
(T
Note Indicates only oscillator characteristics. Refer to AC Characteristics for instruction execution time.
Cautions 1. When using the XT1 oscillator, wire as follows in the area enclosed by the broken lines in the
616
8 MHz internal oscillator
240 kHz internal oscillator
Crystal
resonator
A
A
Resonator
= −40 to +85°C, 1.8 V ≤ V
= −40 to +85°C, 1.8 V ≤ V
2. The XT1 oscillator is designed as a low-amplitude circuit for reducing power consumption, and
Resonator
above figure 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.
is more prone to malfunction due to noise than the X1 oscillator. Particular care is therefore
required with the wiring method when the XT1 clock is used.
Recommended Circuit
V
SS
C4
Rd
CHAPTER 29 ELECTRICAL SPECIFICATIONS (STANDARD PRODUCTS)
XT2
C3
DD
DD
XT1
Internal high-speed
oscillation clock frequency
(f
Internal low-speed
oscillation clock frequency
(f
= EV
= EV
RH
RL
)
)
Note 1
DD
DD
Parameter
XT1 clock oscillation
frequency (f
≤ 5.5 V, V
≤ 5.5 V, V
User’s Manual U17260EJ6V0UD
Parameter
SS
SS
XT
)
= EV
= EV
Note
SS
SS
RSTS = 1
RSTS = 0
2.7 V ≤ V
1.8 V ≤ V
= AV
= AV
SS
SS
DD
DD
Conditions
= 0 V)
= 0 V)
≤ 5.5 V
< 2.7 V
2.7 V ≤ V
1.8 V ≤ V
Conditions
DD
DD
≤ 5.5 V
< 2.7 V
MIN.
MIN.
2.48
216
192
7.6
7.6
32
32.768
Standard products
TYP.
TYP.
240
240
8.0
8.0
5.6
SS
MAX.
MAX.
10.4
9.86
264
264
8.4
35
.
MHz
MHz
MHz
Unit
Unit
kHz
kHz
kHz
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