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Chapter 5 Serial Functions
107
Serial Interface Control Registers
5-4-2 Transmit/Receive Shift Registers, Receive Data Buffer
(1) Serial interface 0 transmit/receive shift register (SC0TRB)
This 8-bit, writable register shifts the transmission data and the reception data. The
direction of transfer can be specified as LSB first or MSB first.
Figure 5-4-1 Serial Interface 0 Transmit/Receive Shift Register
(SC0TRB: X'03F55', W)
(2) Serial interface 0 receive data buffer (SC0RXB)
Figure 5-4-2 Serial Interface 0 Receive Data Buffer
(SC0RXB: X'03F56', R)
(at reset: undefined)
01243
SC0TRB
SC0TRB5SC0TRB6SC0TRB7 SC0TRB2SC0TRB3
SC0TRB0SC0TRB1
SC0TRB4
567
(at reset: undefined)
01243
SC0RXB
SC0RXB5SC0RXB6SC0RXB7 SC0RXB2SC0RXB3
SC0RXB0SC0RXB1
SC0RXB4
567