tmp89fm82 TOSHIBA Semiconductor CORPORATION, tmp89fm82 Datasheet - Page 291

• Manufacturer Part Number: tmp89fm82
• Description: 8 Bit Microcontroller Tlcs-870/c1 Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

RA000
Note 1: <SEF> is cleared by SEDR resister read and write. Therefore, the SEDR read can omit in case of continuous data
Note 2: Send data setting must complete before the master device start transfer. In case of master device start before setting
transfer.
send data, couse a receiving data sending of previous transfer .
No
No
write send data to SEDR resister
(a) <CPHA> = "0" case
set SECR<SEE> to "1"
Synchronize to SECLK
Resister initial setting
set operation mode,
enable SEI operation
start data transmit
data transfer finish
Figure 17-7 Slave transfer flow (example)
by SECR resister
transfer format
<SEF> = "1" ?
from Master,
SEDR read
and receive
SESR read
SS = "H" ?
1 word
and
Yes
Yes
Page 275
No
write send data to SEDR resister
(b) <CPHA> = "1" case
set SECR<SEE> to "1"
Synchronize to SECLK
Resister initial setting
enable SEI operation
set operation mode,
start data transmit
data transfer finish
by SECR resister
transfer format
<SEF> = "1" ?
from Master,
and receive
SESR read
SEDR read
1 word
and
Yes
TMP89FM82