8XC196NU Datasheet, PDF (39/43 Pages) Intel Corporation – 8XC196NU COMMERCIAL CHMOS 16-BIT MICROCONTROLLER

8XC196NU COMMERCIAL CHMOS 16-BIT MICROCONTROLLER
6.2.6 AC CHARACTERISTICS — SERIAL PORT, SYNCHRONOUS MODE 0
Table 17. Serial Port Timing — Synchronous Mode 0
Symbol
Parameter
Min
Max
Units
T_XLXL
Serial Port Clock period
SP_BAUD ≥ x002H
6t
ns
SP_BAUD = x001H (Note 1)
4t
ns
T_XLXH
Serial Port Clock falling edge to rising edge
SP_BAUD ≥ x002H
SP_BAUD = x001H (Note 1)
4t – 27
2t – 27
4t + 27
ns
2t + 27
ns
T_QVXH
Output data setup to clock high
4t – 30
ns
T_XHQX
Output data hold after clock high
2t – 30
ns
T_XHQV
Next output data valid after clock high
2t + 30
ns
T_DVXH
Input data setup to clock high
2t + 30
ns
T_XHDX
Input data hold after clock high
0
ns
T_XHQZ
Last clock high to output float
t + 30
ns
NOTE:
1. The minimum baud-rate (SP_BAUD) register value for receive is x002H and the minimum baud-rate
(SP_BAUD) register value for transmit is x001H.
TXD
TQVXH
RXD
(Out)
RXD
(In)
TXLXL
TXLXH
0
TDVXH
Valid
1
Valid
2
Valid
TXHQV
3
TXHDX
Valid
4
Valid
TXHQX
5
Valid
TXHQZ
6
7
Valid
Valid
A2080-02
Figure 13. Serial Port Waveform — Synchronous Mode 0
PRELIMINARY
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