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Renesas M16C/6NM User Manual

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M306NKT-EPB User’s Manual

4. Hardware Specifications

REJ10J0519-0200 Rev.2.00 Oct. 16, 2006

Page 76 of 104



(3) Timing Requirements
Table 4.4 and Figure 4.3 list the timing requirements in memory expansion mode and microprocessor mode.

Table 4.4 Timing requirements

Actual MCU

[ns]

This product

[ns]

Symbol Item

Min. Max. Min. Max.

tsu(DB-RD)

Data input setup time

40

55

tsu(RDY-BCLK)

RDY# input setup time

30

45

tsu(HOLD-BCLK)

HOLD# input setup time

40

55

th(RD-DB)

Data input hold time

0

See left

th(BCLK-RDY)

RDY# input hold time

0

See left

th(BCLK-HOLD)

HOLD# input hold time

0

See left

td(BCLK-HLDA)

HLDA# output delay time

40

See left


Figure 4.3 Timing requirements

* Compared with an actual MCU, this product enters high-impedance state after a 0.5 cycle delay.

Hi -Z

BCLK

HOLD input

HLDA output

P0,P1,P2,P3,P4,

P5

0

- P5

2

tsu(HOLD-BCLK)

td(BCLK-HLDA)

td(BCLK-HLDA)

th(BCLK-HOLD)

Hi -Z

BCLK

HOLD

HLDA

P0,P1,P2,P3,P4,

P5

0

- P5

2

tsu(HOLD-BCLK)

td(BCLK-HLDA)

td(BCLK-HLDA)

th(BCLK-HOLD)

Common to “with wait” and “no wait” (actual MCU)

Common to “with wait” and “no wait” (this product)

input

output

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