UPD78F0551MA-FAA-AX Renesas Electronics America, UPD78F0551MA-FAA-AX Datasheet - Page 480
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UPD78F0551MA-FAA-AX
Manufacturer Part Number
UPD78F0551MA-FAA-AX
Description
MCU 8BIT 16-SSOP
Manufacturer
Renesas Electronics America
Series
78K0/Kx2-Lr
Datasheet
1.UPD78F0551MA-FAA-AX.pdf
(822 pages)
Specifications of UPD78F0551MA-FAA-AX
Core Processor
78K/0
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
9
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
- Current page: 480 of 822
- Download datasheet (6Mb)
78K0/Kx2-L
14.4.2 Asynchronous serial interface (UART) mode
baud rates.
(1) Registers used
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
In this mode, data of 1 byte is transmitted/received following a start bit, and a full-duplex operation can be performed.
A dedicated UART baud rate generator is incorporated, so that communication can be executed at a wide range of
Notes 1.
• Asynchronous serial interface operation mode register 6 (ASIM6)
• Asynchronous serial interface reception error status register 6 (ASIS6)
• Asynchronous serial interface transmission status register 6 (ASIF6)
• Clock selection register 6 (CKSR6)
• Baud rate generator control register 6 (BRGC6)
• Asynchronous serial interface control register 6 (ASICL6)
• Input switch control register (ISC)
• Port mode register 1 (PM1), port mode register 6 (PM6)
• Port register 1 (P1), port register 6 (P6)
• Port output mode register 6 (POM6)
The basic procedure of setting an operation in the UART mode is as follows.
<1> Set the CKSR6 register (refer to Figure 14-8).
<2> Set the BRGC6 register (refer to Figure 14-9).
<3> Set bits 0 to 4 (ISRM6, SL6, CL6, PS60, PS61) of the ASIM6 register (refer to Figure 14-5).
<4> Set bits 0 and 1 (TXDLV6, DIR6) of the ASICL6 register (refer to Figure 14-10).
<5> Set bit 7 (POWER6) of the ASIM6 register to 1.
<6> Set bit 6 (TXE6) of the ASIM6 register to 1. → Transmission is enabled.
<7> Write data to transmit buffer register 6 (TXB6). → Data transmission is started.
Caution Take relationship with the other party of communication when setting the port mode register and
Set bit 5 (RXE6) of the ASIM6 register to 1. → Reception is enabled.
2.
78K0/KY2-L, 78K0/KA2-L: Port mode register 6 (PM6), port register 6 (P6)
78K0/KB2-L, 78K0/KC2-L: Port mode register 1 (PM1), port register 1 (P1)
In the 78K0/KY2-L and 78K0/KA2-L, this register is used when using serial interface UART6.
port register.
Note 2
Note 1
Note 1
CHAPTER 14 SERIAL INTERFACE UART6
466
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