Panasonic MN101C00 User Manual

Page 121

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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)

0

1

2

4

3

SC0TRB

SC0TRB5

SC0TRB6

SC0TRB7

SC0TRB2

SC0TRB3

SC0TRB0

SC0TRB1

SC0TRB4

5

6

7

(at reset: undefined)

0

1

2

4

3

SC0RXB

SC0RXB5

SC0RXB6

SC0RXB7

SC0RXB2

SC0RXB3

SC0RXB0

SC0RXB1

SC0RXB4

5

6

7

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