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HARDWARE CONFIGURATION
2-75
8-BIT SERIAL I/O
(5) Input/output shift timing
Data is output from the serial output pin (SO) at the falling edge of the shift-
clock pulse, and is input from the serial input pin (SI) to the SDR at the rising
edge of the shift-clock pulse.
•
LSB first (BDS = 0)
#0
#1
#2
#5
#6
#7
SCK
#3
#4
SO
SI
#0
#1
#2
#5
#6
#7
#3
#4
SI input
SO output
•
MSB first (BDS = 1)
#7
#6
#5
#2
#1
#0
SCK
#4
#3
SO
SI
SI input
SO output
#7
#6
#5
#2
#1
#0
#4
#3
DI7 to DI0 indicate input data, and DO7 to DO0 indicate output data.
Fig. 2.40 Input/Output Shift Timing
Содержание F2MC-8L Series
Страница 121: ...INSTRUCTIONS 4 7 4 5 F2MC 8L FAMILY INSTRUCTION MAP ...
Страница 123: ...5 MASK OPTIONS ...
Страница 125: ...APPENDIX ...