Texas Instruments TCM4300 manual Parameter Alternate MIN MAX Unit Symbol, MCA4±MCA0

3.3TCM4300 to Microcontroller Interface Timing Requirements (Mitsubishi Write Cycle) (see Figure 3±3 and Note 2)

	PARAMETER	ALTERNATE	MIN MAX	UNIT
		SYMBOL
tsu(R/W)	Setup time, read/write MCRW stable before falling edge of	TRW(SU)	0	ns
	strobe MCDS
th(R/W)	Hold time, read/write MCRW stable after rising edge of	TRW(HO)	10	ns
	strobe MCDS
tsu(WA)	Setup time, write/address MCA stable before falling edge	TWA(SU)	0	ns
	of strobe MCDS
th(WA)	Hold time, write address MCA stable after rising edge of	TWA(HO)	10	ns
	strobe MCDS
tsu(W)	Setup time, write data stable MCD before rising edge of	TWD(SU)	14	ns
	strobe MCDS
th(W)	Hold time, write data stable MCD after rising edge of strobe	TWD(HO)	0	ns
	MCDS
tw(WSTB) Pulse duration, write strobe pulse width low on MCDS		TWR(STB)	60	ns
th(CS)	Hold time, chip select MCCSH and MCCSL stable before	TCS(HO)	0	ns
	rising edge of strobe MCDS
tsu(CS)	Setup time, chip select stable MCCSH and MCCSL before	TCS(SU)	0	ns
	falling edge of strobe MCDS
NOTE 2: Timings based upon Mitsubishi 37732S4 (16 MHz) and Mitsubishi 3772S4L (8 MHz).
	tw(WSTB)

MCDS	90%	10%	10%
(see Note A)
	tsu(R / W)

MCRW

10%

tsu(WA)

MCA4±MCA0

90%

th(R / W)

10%

tsu(WA)

tsu(W)

MCD7±MCD0

90%

MCCSH

tsu(CS) th(CS)

th(W)

90%

MCCSL

10% 10%

NOTE A: Chip selection is defined as both MCCS and MCDS active.

Figure 3±3. Microcontroller Interface Timing Requirements

(Mitsubishi Configuration Write Cycle, MTS [1:0] = 10)

3±3