65C datasheet(72/112 Pages) RENESAS

72 / 112 page

R01DS0015EJ0100 Rev.1.00

Page 72 of 109

Feb 07, 2011

M16C/65C Group

5. Electrical Characteristics

VCC1 = VCC2 = 5 V

Timing Requirements

(VCC1 = VCC2 = 5 V, VSS = 0 V, at Topr = -20°C to 85°C/-40°C to 85°C unless otherwise specified)

5.2.3

Timing Requirements (Memory Expansion Mode and Microprocessor

Mode)

Notes:

Calculated according to the BCLK frequency as follows:

n is 1 for 1 wait setting, 2 for 2 waits setting and 3 for 3 waits setting.

Calculated according to the BCLK frequency as follows:

n is 2 for 2 waits setting, and 3 for 3 waits setting.

Calculated according to the BCLK frequency as follows:

n is 3 for 2

φ + 3φ, 4 for 2φ + 4φ, 4 for 3φ + 4φ, and 5 for 4φ + 5φ.

Table 5.35

Memory Expansion Mode and Microprocessor Mode

Symbol

Parameter

Standard

Unit

Min.

Max.

tac1(RD-DB)

Data input access time (for setting with no wait)

(Note 1)

tac2(RD-DB)

Data input access time (for setting with 1 to 3 waits)

(Note 2)

tac3(RD-DB)

Data input access time (when accessing multiplex bus area)

(Note 3)

tac4(RD-DB)

Data input access time (for setting with 2

φ + 3φ or more)

(Note 4)

tsu(DB-RD)

Data input setup time

tsu(RDY-BCLK)

RDY input setup time

th(RD-DB)

Data input hold time

0ns

th(BCLK-RDY)

RDY input hold time

0ns

0.5

BCLK

()

----------------------45 ns

[]

–

0.5

() 10

BCLK

()

------------------------------------

45 ns

[]

–

0.5

–

() 10

BCLK

()

------------------------------------45 ns

[]

–

BCLK

()

------------------45 ns

[]

–

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