HD404449 Datasheet, PDF (91/123 Pages) Hitachi Semiconductor – HD404449 SERIES

HD404449 Series
Serial data register 1 (upper digit) (SR1U: $007)
Bit
Initial value
Read/Write
Bit name
3
2
1
0
Undefined Undefined Undefined Undefined
R/W
R/W
R/W
R/W
SR17 SR16 SR15 SR14
Figure 73 Serial Data Register 1 (SR1U)
Transmit clock
Serial output
data
1
2
3
4
5
6
7
8
LSB
MSB
Serial input data
latch timing
Figure 74 Serial Interface Output Timing
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