M306V5EESP Mitsubishi, M306V5EESP Datasheet - Page 110
M306V5EESP
Manufacturer Part Number
M306V5EESP
Description
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
Manufacturer
Mitsubishi
Datasheet
1.M306V5EESP.pdf
(262 pages)
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110
Figure 2.11.23 Typical transmit/receive timings in UART mode
<UART2>
• Example of transmit timing when transfer data is 8 bits long (parity enabled, one stop bit)
<UART2, UART0>
• Example of receive timing when transfer data is 8 bits long (parity disabled, one stop bit)
BRGi count
source
Receive enable bit
RxDi
Transfer clock
Receive
complete flag
Receive interrupt
request bit
Transfer clock
Transmit enable
bit(TE)
Transmit buffer
empty flag(TI)
TxD
Transmit register
empty flag (TXEPT)
Transmit interrupt
request bit (IR)
Note: The transmit is started with overflow timing of BRG after having written in a value at the transmit buffer in the above timing.
2
“1”
“0”
“1”
“0”
“1”
“0”
The above timing applies to the following settings :
“1”
“0”
“1”
“0”
“1”
“0”
“1”
“0”
•Parity is disabled.
•One stop bit.
Reception triggered when transfer clock
is generated by falling edge of start bit
Shown in ( ) are bit symbols.
The above timing applies to the following settings :
• Parity is enabled.
• One stop bit.
• Transmit interrupt cause select bit = “1”.
ST
Start
Start bit
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
bit
D
Data is set in UART2 transmit buffer register
0
D
Sampled “L”
1
Tc
D
2
D
3
D
Cleared to “0” when interrupt request is accepted, or cleared by software
4
D
5
D
6
D
D
Parity
0
7
bit
Receive data taken in
P
Transfered from UARTi receive register to
UARTi receive buffer register
SP
Stop
bit
Transferred from UART2 transmit buffer register to UARTi transmit register
Cleared to “0” when interrupt request is accepted, or cleared by software
Tc = 16 (n + 1) / fi
D
fi : frequency of BRG2 count source (f
n : value set to BRG2
ST
1
Note
D
0
D
D
1
7
D
2
D
3
D
and ON-SCREEN DISPLAY CONTROLLER
Stop bit
4
D
5
D
MITSUBISHI MICROCOMPUTERS
6
D
7
M306V5ME-XXXSP
P
1
, f
SP
8
, f
32
)
M306V5EESP
Rev. 1.0
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