80C196MH datasheet(30/41 Pages) INTEL

30 / 41 page

8XC196MH INDUSTRIAL MOTOR CONTROL CHMOS MICROCONTROLLER

Figure 14. Float Waveforms

AC CHARACTERISTICS — SERIAL PORT, SHIFT REGISTER MODE

Table 13. Serial Port Timing — Shift Register Mode (Mode 0)

Symbol

Parameter

Min

Max

Units

Notes

XLXL

Serial Port Clock Period

(Baud-rate

≥ 8002H)

(Baud-rate

= 8001H)

OSC

1, 2

XLXH

Serial Port Clock Low Period

(Baud-rate

≥ 8002H)

(Baud-rate

= 8001H)

OSC – 50

OSC + 50

1, 2

QVXH

Output Data Setup to Clock High

OSC – 50

XHQX

Output Data Hold after Clock High

OSC – 50

XHQV

Next Output Data Valid after Clock High

OSC + 50

DVXH

Input Data Setup to Clock High

OSC + 50

XHDX

Input Data Hold after Clock High

XHQZ

Last Clock High to Output Float

OSC

NOTES:

n for Baud-raten signifies Serial Port 0 or 1.

Maximum Serial Port Mode 0 reception is with Baud-rate

≥ 8002H.

VLOAD + 0.1 V

VLOAD – 0.1 V

Timing Reference

Points

VLOAD

VOH – 0.1 V

VOL + 0.1 V

For timing purposes, a port pin is no longer floating when a

100 mV change from load voltage occurs and begins to float

when a 100 mV change from the loading VOH/VOL level occurs

with IOL/IOH ≤15 mA.

A2579-01

80C196MH Datasheet(PDF) 30 Page - Intel Corporation

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