UPD78F0386GK-8EU-A Renesas Electronics America, UPD78F0386GK-8EU-A Datasheet - Page 139

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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

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
-
5.6.2 Example of controlling internal high-speed oscillation clock
(1) When restarting oscillation of the internal high-speed oscillation clock
(2) When using internal high-speed oscillation clock as CPU clock, and internal high-speed oscillation clock or high-
(3) When stopping the internal high-speed oscillation clock
The following describes examples of clock setting procedures for the following cases.
(1) Example of setting procedure when restarting oscillation of the internal high-speed oscillation clock
speed system clock as peripheral hardware clock
(b) To stop X1 oscillation (disabling external clock input) by setting MSTOP to 1
<1> Setting restart of oscillation of the internal high-speed oscillation clock (RCM register)
<2> Waiting for the oscillation accuracy stabilization time of internal high-speed oscillation clock (RCM
Notes 1. After a reset release, the internal high-speed oscillator automatically starts oscillating and the
<1> Confirming the CPU clock status (PCC and MCM registers)
<2> Stopping the high-speed system clock (MOC register)
Caution Be sure to confirm that MCS = 0 or CLS = 1 when setting MSTOP to 1. In addition, stop
When RSTOP is cleared to 0, the internal high-speed oscillation clock starts operating.
register)
Wait until RSTS is set to 1
Confirm with CLS and MCS that the CPU is operating on a clock other than the high-speed system clock.
2. This wait time is not necessary if high accuracy is not necessary for the CPU clock and peripheral
CLS
0
0
1
When CLS = 0 and MCS = 1, the high-speed system clock is supplied to the CPU, so change the
CPU clock to the subsystem clock or internal high-speed oscillation clock.
When MSTOP is set to 1, X1 oscillation is stopped (the input of the external clock is disabled).
internal high-speed oscillation clock is selected as the CPU clock.
hardware clock.
peripheral hardware that is operating on the high-speed system clock.
MCS
0
1
Internal high-speed oscillation clock
High-speed system clock
Subsystem clock
Note 2
CHAPTER 5 CLOCK GENERATOR
.
User’s Manual U17504EJ2V0UD
CPU Clock Status
Note 1
137

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