TMP92CF30
2009-06-12
92CF30-312
Setting example: To link two slave controllers serially with the master controller
using the internal clock f
IO
as the transfer clock.
Setting the master controller
Setting the slave controller
Main routine
P9CR
←
X X X X X
−
0 1
P9FC
←
−
−
X X X
−
X 1
P9FC2
←
X X X X X X X 1
Select P91 and P90 to function as the RXD0 and TXD0 pins
respectively (open-drain output).
INTES0
←
X 1 0 0 X 1 0 0
Enable INTRX0 and INTTX0.
SC0MOD0
←
0 0 1 1 1 1 1 0
Set <WU> to “1” in 9-Bit UART Transmission Mode using f
IO
as
the transfer clock.
Interrupt routine (INTRX0)
Acc
←
SC0BUF
if Acc =Select code
Then SC0MOD0
←
−
−
−
0
−
−
−
−
Clear <WU> to “0”.
Main routine
P9CR
←
X X X X X
−
0 1
P9FC
←
−
−
X X X
−
X 1
Set P90 and P91 to function as the TXD0 and RXD0 pins
respectively.
INTES0
←
X 1 0 0 X 1 0 1
Enable the INTTX0 interrupt and set it to Interrupt Level 4.
Enable the INTRX0 interrupt and set it to Interrupt Level 5.
SC0MOD0
←
1 0 1 0 1 1 1 0 Set f
IO
as the transmission clock for 9-Bit UART Mode.
SC0BUF
←
0 0 0 0 0 0 0 1
Set the select code for slave controller 1.
Interrupt routine (INTTX0)
SC0MOD0
←
0
−
−
− − − − −
Set TB8 to “0”.
SC0BUF
←
* * * *
* * * *
Set data for transmission.
TXD
RXD
Master
TXD
RXD
Slave1
TXD
RXD
Slave 2
Select code
00000001
Select code 00001010
Summary of Contents for TLCS-900/H1 Series
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