tmp89fm42 TOSHIBA Semiconductor CORPORATION, tmp89fm42 Datasheet - Page 252

• Manufacturer Part Number: tmp89fm42
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

17.1 Configuration
17. Synchronous Serial Interface (SIO)
RA001
17.1 Configuration
Internal clock
Note: The serial interface input/output pins are also used as the I/O ports. The I/O port register settings are required to
use these pins for a serial interface. For details, refer to the chapter of I/O ports.
SIO0CR
Control circuit
SIO0SR
Figure 17-1 Serial Interface
Shift clock
MSB/LSB selection
Internal bus
Page 238
Internal bus
Shift register on transmitter
Shift register on receiver
SIO0BUF
SIO0BUF
INTSIO0
interrupt request
(Note)
(Note)
(Note)
Port
Port
Port
TMP89FM42
SO0 pin
SI0 pin
SCLK0 pin