38K0 Datasheet, PDF (125/133 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

38K0 Group
q Timing chart
[ EXB <Memory channel mode, DMA interface pin function,
Read and write signals used together mode> ]
< Read >
tsu(ACK-R)
ExDACK
0.2VCC
twL(R)
ExRD
0.8VCC
0.2VCC
th(R-ACK)
DQ0 to DQ7
ExDREQ(Mch_req)
< Write >
ExDACK
ExWR
DQ0 to DQ7
ExDREQ(Mch_req)
0.8VCC
0.2VCC
ta(R-D)
td(R-Mdis)
0.2VCC
0.8VCC
0.2VCC
tv(R-D)
td(R-Men)
0.2VCC
tsu(ACK-W)
0.2VCC
twL(W)
0.8VCC
0.2VCC
th(W-ACK)
0.8VCC
0.2VCC
tsu(D-W)
th(W-D)
0.8VCC
0.2VCC
td(W-Mdis)
0.2VCC
td(W-Men)
0.2VCC
Fig. 144 Timing chart (4)
Rev.3.00 Oct 05, 2006 page 125 of 129
REJ03B0192-0300