Chapter 5 Serial Functions

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.

SC0TRB

7 6 5 4 3 2 1 0

SC0TRB7 SC0TRB6 SC0TRB5 SC0TRB4 SC0TRB3 SC0TRB2 SC0TRB1 SC0TRB0 (at reset: undefined)

Figure 5-4-1 Serial Interface 0 Transmit/Receive Shift Register

(SC0TRB: X'03F55', W)

(2) Serial interface 0 receive data buffer (SC0RXB)

SC0RXB

7 6 5 4 3 2 1 0

SC0RXB7 SC0RXB6 SC0RXB5SC0RXB4 SC0RXB3 SC0RXB2 SC0RXB1 SC0RXB0 (at reset: undefined)

Figure 5-4-2 Serial Interface 0 Receive Data Buffer

(SC0RXB: X'03F56', R)

Serial Interface Control Registers 107

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Panasonic MN101C00 user manual Transmit/Receive Shift Registers, Receive Data Buffer, SC0TRB, SC0RXB