TMP86CH49FG Datasheet, PDF (191/252 Pages) Toshiba Semiconductor – 8 Bit Microcontroller

TMP86CH49FG
15. Synchronous Serial Interface (SIO2)
The serial interfaces connect to an external device via SI2, SO2, and SCK2 pins.
When these pins are used as serial interface, the output latches for each port should be set to "1".
15.1 Configuration
Internal data bus
SIO2CR
SIO2SR
Control circuit
Shift clock
MSB/LSB
selection
SIO2TDB
Shift register on transmitter
Port
(Note)
Port
(Note)
Shift register on receiver
SO2 pin
(Serial data output)
SI2 pin
(Serial data input)
SIO2RDB
INTSIO2 ^{Internal clock}
interrupt input
To BUS
Port
(Note)
Note: Set the register of port correctly for the port assigned as serial interface pins.
For details, see the description of the input/output port control register.
Figure 15-1 Synchronous Serial Interface (SIO)
SCK2 pin
(Serial data output)
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