Fujitsu F2MC-16LX Hardware Manual page 315

LSB first (when the BDS bit is 0)
SCK0, SCK1
SIN0, SIN1
DO0
SOT0, SOT1
MSB first (when the BDS bit is 1)
SCK0, SCK1
SIN0, SIN1
SOT0, SOT1
Figure 18.3-7 Shift Timing for Input/Output
DI0
DI1 DI2
DO1
DO2
DI6 DI5
DI7
DO7 DO6 DO5
18.3 Operation of I/O Extended Serial Interface
DI3
DI4 DI5
DO3 DO4 DO5
DI4 DI3 DI2
DO4 DO3
DO2
DI6 DI7
DO6 DO7
DI1 DI0
DO1 DO0
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