M32CSLASH8A datasheet(327/372 Pages) RENESAS

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M32C/8A Group

23. Electrical Characteristics

Rev.1.00

Jul 15, 2007

Page 310 of 352

REJ09B0385-0100

Table 23.25

Microprocessor Mode

NOTE:

1. Values, which depend on BCLK frequency and external bus cycles, can be obtained from the following

equations. Insert wait states or lower the operation frequency, f(BCLK), if the calculated value is negative.

Symbol

Parameter

Standard

Unit

Min.

Max.

tac1(RD-DB)

Data input access time (RD standard)

(note 1)

tac1(AD-DB)

Data input access time (AD standard, CS standard)

(note 1)

tac2(RD-DB)

Data input access time (RD standard, when accessing a space with the

multiplexed bus)

(note 1)

tac2(AD-DB)

Data input access time (AD standard, when accessing a space with the

multiplexed bus)

(note 1)

tsu(DB-BCLK)

Data input setup time

tsu(RDY-BCLK)

RDY input setup time

tsu(HOLD-BCLK) HOLD input setup time

th(RD-DB)

Data input hold time

th(BCLK-RDY)

RDY input hold time

th(BCLK-HOLD)

HOLD input hold time

td(BCLK-HLDA)

HLDA output delay time

109 × m

f(BCLK) × 2

- 35 [ns] (if external bus cycle is a

φ + bφ, m = (b × 2) + 1)

tac1(RD-DB) =

109 × n

f(BCLK)

- 35 [ns] (if external bus cycle is a

φ + bφ, n = a + b)

tac1(AD-DB) =

109 × m

f(BCLK) × 2

- 35 [ns] (if external bus cycle is a

φ + bφ, m = (b × 2) - 1)

tac2(RD-DB) =

109 × p

f(BCLK) × 2

- 35 [ns] (if external bus cycle is a

φ + bφ, p = {(a + b - 1) × 2} + 1)

tac2(AD-DB) =

VCC1 = VCC2 = 5V

Timing Requirements

(VCC1 = VCC2 = 4.2 to 5.5 V, VSS = 0 V, Topr = -20 to 85

°C unless otherwise specified)

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