M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 209

• Manufacturer Part Number: M37702E6BFS
• Description: EPROM MCU/8BIT CMOS EMULATION CH
• Manufacturer: Renesas Electronics America

Specifications of M37702E6BFS

• Accessory Type: Emulator EPROM MCU
• For Use With/related Products: 7702
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Fig. 7.4.5 Detection of transmission’s completion
[When not using interrupts]
Checking start of transmission
UART0 transmit interrupt control register (Address 71
UART1 transmit interrupt control register (Address 73
Checking completion of transmission.
UART0 transmit/receive control register 0 (Address 34
UART1 transmit/receive control register 0 (Address 3C
b7
b7
Processing at completion of transmission
b0
b0
Interrupt request bit
Transmit register empty flag
0: During transmitting
1: Transmitting completed
0:
1:
No interrupt request
Interrupt request
(Transmission has started.)
7702/7703 Group User’s Manual
7.4 Clock asynchronous serial I/O (UART) mode
16
16
16
16
)
)
)
)
Note : This figure shows the bits and registers required
for processing.
Refer to Figures 7.4.6 to 7.4.7 about the
change of flag state and the occurrence timing
of an interrupt request.
[When using interrupts]
The UARTi transmit interrupt request
occurs when the transmission starts.
UARTi transmit interrupt
SERIAL I/O
7–43