IA186EB Datasheet, PDF (58/85 Pages) InnovASIC, Inc – 8-Bit/16-Bit Microcontrollers

IA186EB/IA188EB
8-Bit/16-Bit Microcontrollers
Data Sheet
July 10, 2011
5.3 Serial Port Mode 0 Timing Characteristics
Serial Port Mode 0 timing characteristics are illustrated in Figure 17 and collected in Table 20.
Figure 17. Serial Port Mode 0 Timing Characteristics
Table 20. Serial Port Mode 0 Timing Characteristics
Symbol
t_XLXL
t_XLXH
t_XLXH
t_XHXL
t_XHXL
t_QVXH
t_QVXH
t_XHQX
t_XHQX
t_XHQZ
t_DVXH
t_XHDX
Parameter
txd Clock Period
txd Clock Low to Clock High (n > 1)
txd Clock Low to Clock High (n = 1)
txd Clock High to Clock Low (n > 1)
txd Clock High to Clock Low (n = 1)
rxd Output Data Setup to txd Clock High (n > 1)
rxd Output Data Setup to txd Clock High (n = 1)
rxd Output Data Hold after txd Clock High (n > 1)
rxd Output Data Hold after txd Clock High (n = 1)
rxd Output Data Float after Last txd Clock High
rxd Input Data Setup to txd Clock High
rxd Input Data Hold after txd Clock High
Minimum
t (n +1)
2t – 35
t – 35
(n – 1) t – 35
t – 35
(n – 1) t – 35
t – 35
2t – 35
t – 35
–
t + 20
0
Maximum
–
2t + 35
t + 35
(n – 1) t + 35
t + 35
–
–
–
–
t + 20
–
–
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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