UPD78F0386GK-8EU-A Renesas Electronics America, UPD78F0386GK-8EU-A Datasheet - Page 521
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UPD78F0386GK-8EU-A
Manufacturer Part Number
UPD78F0386GK-8EU-A
Description
MCU 96KB FLASH 5KB RAM
Manufacturer
Renesas Electronics America
Series
78K0/Lx2r
Datasheet
1.UPD78F0372GK-8EU-A.pdf
(624 pages)
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
-
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23.4 Cautions for Power-on-Clear Circuit
voltage (V
release of reset to the start of the operation of the microcontroller can be arbitrarily set by taking the following action.
Note 1
In a system where the supply voltage (V
<Action>
Notes 1.
After releasing the reset signal, wait for the supply voltage fluctuation period of each system by means of a
software counter that uses a timer, and then initialize the ports.
If supply voltage fluctuation is 50 ms or less in vicinity of POC detection voltage
POC
2.
), the system may be repeatedly reset and released from the reset status. In this case, the time from
If reset is generated again during this period, initialization processing <2> is not started.
A flowchart is shown on the next page.
No
Figure 23-3. Example of Software Processing After Reset Release (1/2)
Setting 8-bit timer H1
(to measure 50 ms)
50 ms has passed?
processing <1>
processing <2>
(TMIFH1 = 1?)
Clearing WDT
Initialization
Initialization
Reset
Yes
Power-on-clear
CHAPTER 23 POWER-ON-CLEAR CIRCUIT
DD
User’s Manual U17504EJ2V0UD
) fluctuates for a certain period in the vicinity of the POC detection
;
; f
; Setting of division ratio of system clock,
Check the reset source
Initialize the port.
Source: f
Timer starts (TMHE1 = 1).
such as setting of timer or A/D converter
PRS
= Internal high-speed oscillation clock (8.4 MHz (MAX.)) (default)
where comparison value = 102:
PRS
(8.4 MHz (MAX.))/2
Note 2
12
,
50 ms
519
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