UPD78F0386GK-8EU-A Renesas Electronics America, UPD78F0386GK-8EU-A Datasheet - Page 135

• Manufacturer Part Number: UPD78F0386GK-8EU-A
• Description: MCU 96KB FLASH 5KB RAM
• Manufacturer: Renesas Electronics America
• Series: 78K0/Lx2r

Specifications of UPD78F0386GK-8EU-A

• Core Processor: 78K/0
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: LCD, LVD, POR, PWM, WDT
• Number Of I /o: 26
• Program Memory Size: 96KB (96K x 8)
• Program Memory Type: FLASH
• Ram Size: 5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

Subsystem clock (f
(when XT1 oscillation
oscillation clock (f
Internal reset signal
(when X1 oscillation
Internal high-speed
Remark While the microcontroller is operating, a clock that is not used as the CPU clock can be stopped via
<1> When the power is turned on, an internal reset signal is generated by the power-on-clear (POC) circuit.
Note
Caution It is not necessary to wait for the oscillation stabilization time when an external clock input from
<2> When the power supply voltage exceeds 2.7 V (TYP.), the reset is released and the internal high-speed
<3> After the reset is released and reset processing is performed, the CPU starts operation on the internal high-
<4> Set the start of oscillation of the X1 or XT1 clock via software (see (1) in 5.6.1 Example of controlling high-
<5> When switching the CPU clock to the X1 or XT1 clock, wait for the clock oscillation to stabilize, and then set
system clock (f
Power supply
voltage (V
High-speed
CPU clock
oscillator automatically starts oscillation.
speed oscillation clock.
speed system clock and (1) in 5.6.3 Example of controlling subsystem clock).
switching via software (see (3) in 5.6.1 Example of controlling high-speed system clock and (3) in 5.6.3
Example of controlling subsystem clock).
selected)
selected)
When releasing a reset (above figure) or releasing STOP mode while the CPU is operating on the internal
high-speed oscillation clock, confirm the oscillation stabilization time for the X1 clock using the oscillation
stabilization time counter status register (OSTC). If the CPU operates on the high-speed system clock (X1
oscillation), set the oscillation stabilization time when releasing STOP mode using the oscillation
stabilization time select register (OSTS).
software settings.
stopped by executing the STOP instruction (see (4) in 5.6.1 Example of controlling high-speed
system clock, (3) in 5.6.2 Example of controlling internal high-speed oscillation clock, and (4) in
5.6.3 Example of controlling subsystem clock).
DD
SUB
0 V
the EXCLK and EXCLKS pins is used.
RH
XH
Figure 5-13. Clock Generator Operation When Power Supply Voltage Is Turned On
)
)
)
)
<1>
(When 2.7 V/1.59 V POC Mode Is Set (Option Byte: POCMODE = 1))
The internal high-speed oscillation clock and high-speed system clock can be
Waiting for oscillation
accuracy stabilization
2.7 V (TYP.)
CHAPTER 5 CLOCK GENERATOR
Starting X1 oscillation
is specified by software.
User’s Manual U17504EJ2V0UD
<3>
<2>
Starting XT1 oscillation
is specified by software.
Reset processing
<4>
(20 s (TYP.))
oscillation stabilization time:
Internal high-speed
oscillation clock
2
<4>
11
/f
X1 clock
X
to 2
16
/f
X
Note
<5>
High-speed system clock
Switched by
software
<5>
Subsystem clock
133