80C186EB Datasheet, PDF (37/59 Pages) Intel Corporation – 16-BIT HIGH-INTEGRATION EMBEDDED PROCESSORS

80C186EB 80C188EB 80L186EB 80L188EB
AC SPECIFICATIONS (Continued)
Serial Port Mode 0 Timings (80C186EB25 20 13 80L186EB16 13 8)
Symbol
Parameter
Min
Max
Unit Notes
T_XLXL TXD Clock Period
T (n ^a 1)
ns 1 2
T_XLXH TXD Clock Low to Clock High (n ^l 1)
2T ^b 35
2T ^a 35 ns 1
T_XLXH TXD Clock Low to Clock High (n ^e 1)
T ^b 35
T ^a 35
ns 1
T_XHXL TXD Clock High to Clock Low (n ^l 1)
(n ^b 1) T ^b 35 (n ^b 1) T ^a 35 ns 1 2
T_XHXL TXD Clock High to Clock Low (n ^e 1)
T ^b 35
T ^a 35
ns 1
T_QVXH RXD Output Data Setup to TXD Clock High (n ^l 1) (n ^b 1) T ^b 35
ns 1 2
T_QVXH RXD Output Data Setup to TXD Clock High (n ^e 1)
T ^b 35
ns 1
T_XHQX RXD Output Data Hold after TXD Clock High (n ^l 1) 2T ^b 35
ns 1
T_XHQX RXD Output Data Hold after TXD Clock High (n ^e 1) T ^b 35
ns 1
T_XHQZ RXD Output Data Float after Last TXD Clock High
T ^a 20
ns 1
T_DVXH RXD Input Data Setup to TXD Clock High
T ^a 20
ns 1
T_XHDX RXD Input Data Hold after TXD Clock High
0
ns 1
NOTES
1 See Figure 12 for waveforms
2 n is the value of the BxCMP register ignoring the ICLK Bit (i e ICLK e 0)
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