m5m51016btp Renesas Electronics Corporation., m5m51016btp Datasheet - Page 108

• Manufacturer Part Number: m5m51016btp
• Description: Renesas 16-bit Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Figure 2.5.11. Operation timing of reception in serial interface special function master mode, with clock delay
Example of operation
Example of wiring
Transfer clock
Port
Receive enable
bit (RE)
Transmit
enable bit (TE)
Receive complete
flag (Rl)
Receive interrupt
request bit (IR)
Transmit buffer
empty flag (Tl)
CLKi
RxDi
Shown in ( ) are bit symbols.
The above timing applies to the following settings:
• Internal clock is selected.
• CLK polarity select bit = “0”.
“H”
“1”
“0”
“1”
“0”
“1”
“0”
“1”
“1”
“L”
“0”
“0”
page 99 of 354
(1) Output "L" on the transmitter side IC
Microcomputer
(2) Reception enabled
Dummy data is set in UARTi transmit buffer register
(3) Start reception
Transferred from UARTi receive register
to UARTi receive buffer register
D
0
TCLK
D
1
R
CLKi
Port
D
SSi
X
2
Di
D
3
Tc
D
4
Transferred from UARTi transmit buffer register to UARTi transmit register
Reception data is taken in
D
5
D
6
Cleared to “0” when interrupt request is accepted, or cleared by software
(4) Reception is complete
D
7
D
Tc = T
0
D
1
(5) Read of reception data
fi: frequency of BRGi count source (f
n: value set to BRGi
CLK
D
Read out from UARTi receive buffer register
2
= 2(n + 1) / fi
D
3
D
4
D
5
Transmitter side IC
D
SS
CLK
ST
6
2. Serial Interface Special Function
D
X
7
D
D
0
D
1
1
D
, f
2
8
, f
D
32
3
)
D
4
D
5
D
6
D
7