32186 datasheet(954/1032 Pages) RENESAS

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ELECTRICAL CHARACTERISTICS

23-38

32185/32186 Group Hardware Manual

Rev.1.10 REJ09B0235-0110 May 15, 07

23.9 A.C. Characteristics (when VCCE = 5 V)

Figure 23.9.18 RTD Timing

RTDCLK

RTDACK

RTDTXD

RTDRXD

[82] tc(RTDCLK)

0.5VCCE

0.2VCCE

0.8VCCE

0.2VCCE

0.8VCCE

0.2VCCE

0.8VCCE

0.5VCCE

[83] tw(RTDCLKH)

[84] tw(RTDCLKL)

[85] td(RTDCLKH-RTDACK)

[86] tv(RTDCLKL-RTDACK)

[89] tsu(RTDRXD-RTDCLKL)

[87] td(RTDCLKH-RTDTXD)

[88] th(RTDCLKH-RTDRXD)

0.8VCCE

0.2VCCE

(16) RTD timing

Symbol

Parameter

Rated Value

Unit

See Fig.

MIN

MAX

23.9.18

tc(RTDCLK)

RTDCLK Input Cycle Time

500

[82]

tw(RTDCLKH)

RTDCLK Input "H" Pulse Width

230

[83]

tw(RTDCLKL)

RTDCLK Input "L" Pulse Width

230

[84]

th(RTDCLKH-RTDRXD)

RTDRXD Input Hold Time

[88]

tsu(RTDRXD-RTDCLKL) RTDRXD Input Setup Time

[89]

td(RTDCLKH-RTDACK)

RTDACK Delay Time

160

[85]

after RTDCLK Input

tv(RTDCLKL-RTDACK)

RTDACK Valid Time

160

[86]

after RTDCLK Input

td(RTDCLKH-RTDTXD)

RTDTXD Delay Time

160

[87]

after RTDCLK Input

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