UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 327
UPD78F0413GA-GAM-AX
Manufacturer Part Number
UPD78F0413GA-GAM-AX
Description
8BIT UC, 32K FLASH, 1KB RAM, LCD
Manufacturer
NEC
Datasheet
1.UPD78F0413GA-GAM-AX.pdf
(562 pages)
Specifications of UPD78F0413GA-GAM-AX
Controller Family/series
UPD78F
No. Of I/o's
30
Ram Memory Size
1024Byte
Cpu Speed
10MHz
No. Of Timers
8
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
32KB
Oscillator Type
External, Internal
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1. Stop bit length: 1
2. Stop bit length: 2
(c) Transmission
If bit 7 (POWER0) of asynchronous serial interface operation mode register 0 (ASIM0) is set to 1 and bit 6
(TXE0) of ASIM0 is then set to 1, transmission is enabled. Transmission can be started by writing transmit
data to transmit shift register 0 (TXS0). The start bit, parity bit, and stop bit are automatically appended to
the data.
When transmission is started, the start bit is output from the T
followed by the rest of the data in order starting from the LSB. When transmission is completed, the parity
and stop bits set by ASIM0 are appended and a transmission completion interrupt request (INTST0) is
generated.
Transmission is stopped until the data to be transmitted next is written to TXS0.
Figure 13-9 shows the timing of the transmission completion interrupt request (INTST0). This interrupt
occurs as soon as the last stop bit has been output.
Caution After transmit data is written to TXS0, do not write the next transmit data before the
T
T
X
X
D0 (output)
D0 (output)
INTST0
INTST0
transmission completion interrupt signal (INTST0) is generated.
Figure 13-9. Transmission Completion Interrupt Request Timing
Start
Start
CHAPTER 13 SERIAL INTERFACE UART0
D0
D0
User’s Manual U18698EJ1V0UD
D1
D1
D2
D2
D6
D6
X
D0 pin, and the transmit data is output
D7
D7
Parity
Parity
Stop
Stop
327
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