UPD78F0138HGK-9ET-A Renesas Electronics America, UPD78F0138HGK-9ET-A Datasheet - Page 271
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UPD78F0138HGK-9ET-A
Manufacturer Part Number
UPD78F0138HGK-9ET-A
Description
MCU 8BIT 60K FLASH 64TQFP
Manufacturer
Renesas Electronics America
Series
78K0/Kx1+r
Datasheet
1.UPD78F0138HGK-9ET-A.pdf
(568 pages)
Specifications of UPD78F0138HGK-9ET-A
Core Processor
78K/0
Core Size
8-Bit
Speed
16MHz
Connectivity
3-Wire SIO, LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
42
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.5 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
Contains lead / RoHS non-compliant
Eeprom Size
-
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13.1 Functions of Serial Interface UART0
(1) Operation stop mode
(2) Asynchronous serial interface (UART) mode
Serial interface UART0 has the following two modes.
This mode is used when serial communication is not executed and can enable a reduction in the power
consumption.
For details, see 13.4.1 Operation stop mode.
The functions of this mode are outlined below.
For details, see 13.4.2
generator.
Cautions 1. If clock supply to serial interface UART0 is not stopped (e.g., in the HALT mode), normal
Two-pin configuration
Length of communication data can be selected from 7 or 8 bits.
Dedicated on-chip 5-bit baud rate generator allowing any baud rate to be set
Transmission and reception can be performed independently.
Four operating clock inputs selectable
Fixed to LSB-first communication
2. Set POWER0 = 1 and then set TXE0 = 1 (transmission) or RXE0 = 1 (reception) to start
3. TXE0 and RXE0 are synchronized by the base clock (f
4. Set transmit data to TXS0 at least two base clocks after setting POWER0 = 1 and one base
operation continues. If clock supply to serial interface UART0 is stopped (e.g., in the STOP
mode), each register stops operating, and holds the value immediately before clock supply
was stopped. The T
stopped and outputs it. However, the operation is not guaranteed after clock supply is
resumed. Therefore, reset the circuit so that POWER0 = 0, RXE0 = 0, and TXE0 = 0.
communication.
transmission or reception again, set TXE0 or RXE0 to 1 at least two clocks of base clock
after TXE0 or RXE0 has been cleared to 0. If TXE0 or RXE0 is set within two clocks of base
clock, the transmission circuit or reception circuit may not be initialized.
clock after setting TXE0 = 1.
Asynchronous serial interface (UART) mode and 13.4.3
T
R
CHAPTER 13 SERIAL INTERFACE UART0
X
X
D0: Transmit data output pin
D0: Receive data input pin
X
D0 pin also holds the value immediately before clock supply was
User’s Manual U16899EJ3V0UD
XCLK0
) set by BRGC0. To enable
Dedicated baud rate
269
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