M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 208

• 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

SERIAL I/O
7.4 Clock asynchronous serial I/O (UART) mode
Fig. 7.4.4 Writing data after start of transmission
7–42
[When not using interrupts]
UART0 transmit/receive control register 1 (Address 35
UART1 transmit/receive control register 1 (Address 3D
Checking state of UARTi transmit buffer register
b7
Writing of next transmit data
UART0 transmit buffer register (Addresses 33
UART1 transmit buffer register (Addresses 3B
b15
b0
1
Transmit buffer empty flag
0: Data present in transmit buffer register
1: No data present in transmit buffer register
(Writing of next transmit data is possible.)
b0
b8
b7
Set transmit data here.
7702/7703 Group User’s Manual
16
16
, 32
, 3A
16
16
16
16
)
)
b0
)
)
Note :
This figure shows the bits and registers
required for processing.
Refer to Figures 7.4.6 and 7.4.7 about the
change of flag state and the occurrence
timing of an interrupt request.
The UARTi transmit interrupt request
occurs when the UARTi transmit buffer
register becomes empty.
[When using interrupts]
UARTi transmit interrupt