M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 189
M37702E6BFS
Manufacturer Part Number
M37702E6BFS
Description
EPROM MCU/8BIT CMOS EMULATION CH
Manufacturer
Renesas Electronics America
Datasheet
1.M37702E6BFS.pdf
(524 pages)
Specifications of M37702E6BFS
Accessory Type
Emulator EPROM MCU
For Use With/related Products
7702
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M37702E6BFS
Manufacturer:
MITSUBISHI/三菱
Quantity:
20 000
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7.3.3 Transmit operation
When the transmit conditions described in page 7-19 are satisfied, the following operations are automatically
performed simultaneously.
•The UARTi transmit buffer register’s contents are transferred to the UARTi transmit register.
•8 transfer clocks are generated (when an internal clock is selected).
•The transmit buffer empty flag is set to “1.”
•The transmit register empty flag is cleared to “0.”
•The UARTi transmit interrupt request occurs, and the interrupt request bit is set to “1.”
The transmit operations are described below.
Figure 7.3.4 shows the transmit operation.
In the case of an internal clock is selected, when the transmit conditions for the next data are satisfied at
completion of the transmission, the transfer clock is generated continuously. Accordingly, when performing
transmission continuously, set the next transmit data to the UARTi transmit buffer register during transmission
(when the transmit register empty flag = “0”). When the transmit conditions for the next data are not
satisfied, the transfer clock stops at “H” level.
Figures 7.3.5 shows an example of transmit timing (when selecting an internal clock).
Data in the UARTi transmit register is transmitted from the TxD
transfer clock.
When 1-byte data has been transmitted, the transmit register empty flag is set to “1,” indicating completion
of the transmission.
This data is transmitted bit by bit sequentially beginning with the least significant bit.
7702/7703 Group User’s Manual
7.3 Clock synchronous serial I/O mode
i
pin synchronously with the falling of the
SERIAL I/O
7–23
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