UPD78F1142AGA-HAB-AX Renesas Electronics America, UPD78F1142AGA-HAB-AX Datasheet - Page 857
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UPD78F1142AGA-HAB-AX
Manufacturer Part Number
UPD78F1142AGA-HAB-AX
Description
MCU 16BIT 78K0R/KX3 64-TQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Kx3r
Datasheet
1.UPD78F1142AGA-HAB-AX.pdf
(880 pages)
Specifications of UPD78F1142AGA-HAB-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1142AGA-HAB-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Electrical
specifications
((A) grade
products)
Function
XT1 oscillator
characteristics
Recommended
oscillator
constants
DC
characteristics
Details of
Function
Since the CPU is started by the internal high-speed oscillation clock after a reset
release, check the X1 clock oscillation stabilization time using the oscillation
stabilization time counter status register (OSTC) by the user.
oscillation stabilization time of the OSTC register and oscillation stabilization time
select register (OSTS) after sufficiently evaluating the oscillation stabilization time
with the resonator to be used.
When using the XT1 oscillator, wire as follows in the area enclosed by the broken
lines in the above 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
• 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.
The XT1 oscillator is designed as a low-amplitude circuit for reducing power
consumption, and 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.
The oscillator constants shown above are reference values based on evaluation in a
specific environment by the resonator manufacturer. If it is necessary to optimize the
oscillator characteristics in the actual application, apply to the resonator
manufacturer for evaluation on the implementation circuit.
When doing so, check the conditions for using the AMPH bit, RMC register, and
whether to enter or exit the STOP mode.
The oscillation voltage and oscillation frequency only indicate the oscillator
characteristic. Use the 78K0R/KE3 so that the internal operation conditions are
within the specifications of the DC and AC characteristics.
The oscillator constants shown above are reference values based on evaluation in a
specific environment by the resonator manufacturer. If it is necessary to optimize the
oscillator characteristics in the actual application, apply to the resonator
manufacturer for evaluation on the implementation circuit.
When doing so, check the conditions for using the RMC register, and whether to
enter or exit the STOP mode.
The oscillation voltage and oscillation frequency only indicate the oscillator
characteristic. Use the 78K0R/KE3 so that the internal operation conditions are
within the specifications of the DC and AC characteristics.
P02 to P04 do not output high level in N-ch open-drain mode.
The maximum value of V
mode.
For P122/EXCLK, the value of V
external clock mode.
external clock input mode.
flows.
APPENDIX B LIST OF CAUTIONS
User’s Manual U17854EJ9V0UD
Make sure to satisfy the DC characteristics of EXCLK in
IH
of pins P02 to P04 is V
IH
and V
Cautions
IL
differs according to the input port mode or
DD
, even in the N-ch open-drain
Determine the
SS
.
pp.763
to 766
p.760
p.762
p.762
p.767
p.768
p.770
p.770
855
(31/33)
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