tmp89fm82t TOSHIBA Semiconductor CORPORATION, tmp89fm82t Datasheet - Page 290

• Manufacturer Part Number: tmp89fm82t
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

17.
Serial Expansion Interface (SEI)
17.10
Flow chart
TMP89FM82T
17.10
Flow chart
Resister initial setting
set operation mode,
transfer format
by SECR resister
set SECR<SEE> to "1"
and
enable SEI operation
write send data to SEDR resister
start data transmit and
receive with syinchronize
to SECLK output
SESR read
<SEF> = "1" ?
No
Yes
SEDR read
1 word
data transfer finish
Note:<SEF> is cleared by SEDR resister read or write. Therefore, the SEDR read can omit in case of continuous data
transfer.
Figure 17-6 Master transfer flow (example)
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