M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 172
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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SERIAL I/O
7.2 Block description
7–6
Fig. 7.2.3 Structure of UARTi transmit/receive control register 0
7.2.2 UARTi transmit/receive control register 0
Figure 7.2.3 shows the structure of UARTi transmit/receive control register 0. For bits 0 and 1, refer to
“7.2.1 (1) Internal/External clock select bit.”
(1)
(2) Transmit register empty flag (bit 3)
b7
b6
____ ____
CTS/RTS select bit (bit 2)
By clearing this bit to “0” in order to select the CTS function, pins P8
pins, and the input signal of “L” level to these pins becomes one of the transmission conditions.
By setting this bit to “1” in order to select the RTS function, pins P8
pins. When the receive enable bit (bit 2 at addresses 35
output pin outputs “H” level.
The output level of this pin becomes “L” when the receive enable bit is set to “1.” It becomes “H”
when reception starts and it becomes “L” when reception is completed.
This flag is cleared to “0” when the UARTi transmit buffer register’s contents are transferred to the
UARTi transmit register. When transmission is completed and the UARTi transmit register becomes
empty, this flag is set to “1.”
b5
b4
b3
b2
b1
b0
UART0 transmit/receive control register 0 (Address 34
UART1 transmit/receive control register 0 (Address 3C
7 to 4
Bit
0
2
3
1
Nothing is assigned.
BRG count source select bits
CTS/RTS select bit
Transmit register empty flag
7702/7703 Group User’s Manual
Bit name
____
____
b1 b0
0 0 : f
0 1 : f
1 0 : f
1 1 : f
0 : CTS function selected.
1 : RTS function selected.
0 : Data present in transmit register.
1 : No data present in transmit register.
16
, 3D
(During transmitting)
(Transmitting completed)
2
16
64
512
16
16
16
)
)
) is “0” (reception disabled), the RTS
Functions
0
0
and P8
and P8
4
4
function as CTS input
become RTS output
Undefined
At reset
0
0
0
1
____
____
RW
RW
RW
RW
RO
–
____
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