UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 378

• Manufacturer Part Number: UPD78F0537DGA(T)-9EV-A
• Description: 8BIT MCU, 128K FLASH, 7KB RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F0537DGA(T)-9EV-A

• Controller Family/series: UPD78
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

378
Figure 15-16 shows an example of the continuous transmission processing flow.
Remark TXB6:
ASIF6: Asynchronous serial interface transmission status register 6
TXBF6: Bit 1 of ASIF6 (transmit buffer data flag)
TXSF6: Bit 0 of ASIF6 (transmit shift register data flag)
Figure 15-16. Example of Continuous Transmission Processing Flow
Transmit buffer register 6
executed necessary
completion interrupt
executed necessary
CHAPTER 15 SERIAL INTERFACE UART6
number of times?
number of times?
Transmission
Set registers.
Write TXB6.
Write TXB6.
Read
TXBF6 = 0?
Transfer
Transfer
occurs?
ASIF6
User’s Manual U17260EJ6V0UD
Yes
No
No
Yes
No
Yes
No
Yes
transmission processing
Completion of
Read
TXSF6 = 0?
ASIF6
Yes
Yes
No