UPD78F0551MA-FAA-AX Renesas Electronics America, UPD78F0551MA-FAA-AX Datasheet - Page 490
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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
-
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78K0/Kx2-L
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
(e) Normal reception
R
Reception is enabled and the R
operation mode register 6 (ASIM6) is set to 1 and then bit 5 (RXE6) of ASIM6 is set to 1.
The 8-bit counter of the baud rate generator starts counting when the falling edge of the R
detected. When the set value of baud rate generator control register 6 (BRGC6) has been counted, the R
input is sampled again (
When the start bit is detected, reception is started, and serial data is sequentially stored in the receive shift
register 6 (RXS6) at the set baud rate. When the stop bit has been received, the reception completion interrupt
(INTSR6) is generated and the data of RXS6 is written to receive buffer register 6 (RXB6). If an overrun error
(OVE6) occurs, however, the receive data is not written to RXB6.
Even if a parity error (PE6) occurs while reception is in progress, reception continues to the reception position of
the stop bit, and a reception error interrupt (INTSR6/INTSRE6) is generated on completion of reception.
Cautions 1. If a reception error occurs, read ASIS6 and then RXB6 to clear the error flag. Otherwise, an
X
D6 (input)
INTSR6
RXB6
2. Reception is always performed with the “number of stop bits = 1”. The second stop bit is
3. Be sure to read asynchronous serial interface reception error status register 6 (ASIS6)
overrun error will occur when the next data is received, and the reception error status will
persist.
ignored.
before reading RXB6.
Figure 14-21. Reception Completion Interrupt Request Timing
Start
in Figure 14-21). If the R
D0
X
D6 pin input is sampled when bit 7 (POWER6) of asynchronous serial interface
D1
D2
D3
X
D4
D6 pin is low level at this time, it is recognized as a start bit.
D5
CHAPTER 14 SERIAL INTERFACE UART6
D6
D7
Parity
Stop
X
D6 pin input is
X
D6 pin
476
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