TCM4300 Datasheet, PDF (24/69 Pages) Texas Instruments – Advanced RF Cellular Telephone Interface Circuit (ARCTIC )

3.2 TCM4300 to Microcontroller Interface Timing Requirements (Mitsubishi
Read Cycle) (see Figure 3–2 and Note 2)
tsu(R/W)
th(R/W)
tsu(RA)
th(RA)
ten(RD)
tv(R)
t(inv)
tdis(RD)
th(CS)
tsu(CS)
PARAMETER
Setup time, read/write MCRW stable before falling edge of
strobe MCDS
Hold time, read/write MCRW stable after rising edge of
strobe MCDS
Setup time, read address MCS stable before falling edge of
strobe MCDS
Hold time, read address MCA stable after rising edge of
strobe MCDS
Enable time, read data on falling edge of strobe MCDS to
TCM4300 driving data bus MCD
Valid time read data on falling edge of strobe MCDS to
valid data MCD
Data MCD invalid after rising edge of strobe MCDS
Disable time, read data. TCM4300 releases MCD data bus
after rising edge of strobe MCDS
Hold time, chip select MCCSH and MCCSL stable before
rising edge of strobe MCDS
Setup time, chip select MCCSH and MCCSL stable before
falling edge of strobe MCDS
ALTERNATE
SYMBOL
TRW(SU)
TRW(HO)
TRA(SU)
TRA(HO)
TRD(EN)
TRD(DV)
TRD(INV)
TRD(DIS)
TCS(HO)
TCS(SU)
MIN MAX UNIT
0
ns
10
ns
0
ns
10
ns
10
ns
50 ns
10 ns
28 ns
0
ns
0
ns
NOTE 2: Timings are based upon Mitsubishi 37732S4 (16 MHz) and Mitsubishi 3772S4L (8 MHz).
MCDS
(see Note A)
MCRW
tsu(R _{/ W)}
90%
90%
10%
tsu(RA)
MCA4–MCA0
MCD7–MCD0
MCCSH
ten(RD)
90%
tv(R)
ÎÎÎÎ
tsu(CS)
MCCSL
10%
NOTE A: Chip selection is defined as both MCCS and MCDS active.
90%
10%
th(R _{/ W)}
90%
th(RA)
tdis(RD)
tinv
ÎÎ
90%
th(CS)
10%
3–2