7751 Datasheet, PDF (343/540 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER

ELECTRICAL CHARACTERISTICS
15.11 Memory expansion mode and microprocessor mode : When 3-φ access in high-speed running
Memory expansion mode and Microprocessor mode
: When 3- access in high-speed running
<Write>
tw(L) tw(H) tr tf
tc
XIN
1
E
Address output
A0–A7
Address output
A8–A15
(BYTE =“H”)
Address/Data output
A8/D8–A15/D15
(BYTE =“L”)
Data input
D8–D15
(BYTE =“L”)
Address/Data output
A16/D0–A23/D7
Data input
D0–D7
ALE output
BHE output
R/W output
Port Pi output
(i = 4–8)
tw( L)
td(E– 1)
tw( H)
td(E– 1)
tw(EL)
td(P0A–E)
td(P1A–E)
td(P1A–E)
td(P1A–ALE)
th(E–P0A)
Address
th(E–P1A)
Address
td(E–P1Q) th(E–P1Q)
Address
Data
th(ALE–P1A)
td(P2A–E)
td(P2A–ALE)
td(E–P2Q) th(E–P2Q)
Address
Data
th(ALE–P2A)
td(E–ALE) tw(ALE)
td(ALE–E)
td(BHE–E)
th(E–BHE)
td(R/W–E)
th(E–R/W)
td(E–PiQ)
Test conditions ( 1, E, P0–P3)
•VCC = 5 V±10%
•Output timing voltage : VOL = 0.8 V, VOH = 2.0 V
•Data input
: VIL = 0.8 V, VIH = 2.5 V
Test conditions (P4–P8)
•VCC = 5 V±10%
•Input timing voltage : VIL = 1.0 V, VIH = 4.0 V
•Output timing voltage : VOL = 0.8 V, VOH = 2.0 V
15–36
7751 Group User’s Manual