|
7751 Datasheet, PDF (354/540 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER | |||
|
◁ |
ELECTRICAL CHARACTERISTICS
15.13 Memory expansion mode and microprocessor mode : When 5-Ï access in high-speed running
Memory expansion mode and Microprocessor mode
: When 5- access in high-speed running
<Read>
tw(L) tw(H) tr tf
tc
XIN
tw( L)
1
tw( H)
td(Eâ 1)
E
Address output
td(P0AâE)
A0âA7
Address output
td(P1AâE)
A8âA15
(BYTE =âHâ)
Address/Data output
td(P1AâE)
A8/D8âA15/D15
(BYTE =âLâ)
Data input
td(P1AâALE)
D8âD15
(BYTE =âLâ)
td(P2AâE)
Address/Data output
A16/D0âA23/D7
td(P2AâALE)
Data input
tsu(P0A/P1A/P2AâP1D/P2D)
D0âD7
td(EâALE)
Address
Address
tw(ALE)
ALE output
BHE output
R/W output
td(BHEâE)
td(R/WâE)
Port Pi output
(i = 4â8)
td(Eâ 1)
tw(EL)
Address
Address
tpxz(EâP1Z)
th(ALEâP1A)
tpxz(EâP2Z)
th(ALEâP2A)
td(ALEâE)
th(EâP0A)
th(EâP1A)
tpzx(EâP1Z)
tsu(P1DâE)
Data
th(EâP1D)
tpzx(EâP2Z)
tsu(P2DâE)
Data
th(EâP2D)
th(EâBHE)
th(EâR/W)
tsu (P i DâE )
th(EâPiD )
Test conditions ( 1, E, P0âP3)
â¢VCC = 5 V±10%
â¢Output timing voltage : VOL = 0.8 V, VOH = 2.0 V
â¢Data input
: VIL = 0.8 V, VIH = 2.5 V
Test conditions (P4âP8)
â¢VCC = 5 V±10%
â¢Input timing voltage : VIL = 1.0 V, VIH = 4.0 V
â¢Output timing voltage : VOL = 0.8 V, VOH = 2.0 V
7751 Group Userâs Manual
15â47
|
▷ |