UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 344

• Manufacturer Part Number: UPD78F0890GK(A)-GAJ-AX
• Description: 8BIT MCU, 128K FLASH, 7K RAM, LQFP
• Manufacturer: NEC

Specifications of UPD78F0890GK(A)-GAJ-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 10
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

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INTST6n
TXBF6n
TXSF6n
TXB6n
TXS6n
T
Figure 14-25 shows the timing of starting continuous transmission, and Figure 14-26 shows the timing of
ending continuous transmission.
Note When ASIF6n is read, there is a period in which TXBF6n and TXSF6n = 1, 1. Therefore, judge
Remark T
X
D6n
whether writing is enabled using only the TXBF6n bit.
INTST6n: Interrupt request signal
TXB6n:
TXS6n:
ASIF6n:
TXBF6n: Bit 1 of ASIF6n
TXSF6n: Bit 0 of ASIF6n
n = 0, 1
X
FF
FF
D6n:
Figure 14-25. Timing of Starting Continuous Transmission
CHAPTER 14 SERIAL INTERFACES UART60 AND UART61
TxD6n pins (output)
Transmit buffer register 6n
Transmit shift register 6n
Asynchronous serial interface transmission status register 6n
Note
Start
Data (1)
Data (1)
Data (1)
User’s Manual U17554EJ4V0UD
Data (2)
Parity
Stop
Start
Data (2)
Data (2)
Data (3)
Parity
Stop
Data (3)
Start