UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 204

• Manufacturer Part Number: UPD78F9222MC(T)-5A4-A
• Description: 8BIT MCU, 4K FLASH, 256B RAM, 78F9222
• Manufacturer: NEC

Specifications of UPD78F9222MC(T)-5A4-A

• Controller Family/series: UPD78
• No. Of I/o's: 17
• Ram Memory Size: 256Byte
• Cpu Speed: 10MHz
• No. Of Timers: 4
• No. Of: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 4KB
• Oscillator Type: External, Internal

204
INTST6
TXBF6
TXSF6
TXB6
TXS6
T
Figure 11-17 shows the timing of starting continuous transmission, and Figure 11-18 shows the timing of
ending continuous transmission.
Note When ASIF6 is read, there is a period in which TXBF6 and TXSF6 = 1, 1. Therefore, judge whether
Remark T
X
D6
writing is enabled using only the TXBF6 bit.
INTST6: Interrupt request signal
TXB6:
TXS6:
ASIF6:
TXBF6: Bit 1 of ASIF6
TXSF6: Bit 0 of ASIF6
X
FF
FF
D6:
Figure 11-17. Timing of Starting Continuous Transmission
Asynchronous serial interface transmission status register 6
T
Transmit buffer register 6
Transmit shift register 6
X
D6 pin (output)
Note
Start
Data (1)
CHAPTER 11 SERIAL INTERFACE UART6
Data (1)
Data (1)
User’s Manual U16898EJ5V0UD
Data (2)
Parity
Stop
Start
Data (2)
Data (2)
Data (3)
Parity
Stop
Data (3)
Start