st52f513 STMicroelectronics, st52f513 Datasheet - Page 107

• Manufacturer Part Number: st52f513
• Description: 8-bit Microcontrollers
• Manufacturer: STMicroelectronics

ST52510xx ST52513xx
Warning: A read to the SPI_IN register returns the
value located in the buffer and not the contents of
the shift register (see
Figure
15.2).
15.5.3 SPI Output Register.
SPI Data Output Register (SPI_OUT)
Output Register 5 (05h) Write only
Reset Value: 0000 0000 (00h)
7
0
SPIDO7 SPIDO6 SPIDO5 SPIDO4 SPIDO3 SPIDO2 SPIDO1 SPIDO0
bit 7-0: SPIDO7-SPIDO0 Data to be transmitted.
The SPI_OUT register is used to transmit data on
the serial bus. In the master device only a write to
this register will initiate transmission/reception of
another byte.
Warning: A write to the SPI_OUT register places
data directly into the shift register for transmission.
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