M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 339

• Manufacturer Part Number: M37702E6BFS
• Description: EPROM MCU/8BIT CMOS EMULATION CH
• Manufacturer: Renesas Electronics America

Specifications of M37702E6BFS

• Accessory Type: Emulator EPROM MCU
• For Use With/related Products: 7702
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Fig. 17.1.1 Bus timing diagrams
External data bus width = 8 bits (BYTE = “H”)
External data bus width = 16 bits (BYTE = “L”)
A
A
A
A
A
A
A
A
A
16
ALE
15
16
0
8
8
23
23
0
–A
R/W
/D
–A
/D
/D
–A
/D
ALE
/D
R/W
E
/D
8
7
0
15
E
15
0
7
–
7
7
–
–
middle-order
t
high-order
t
high-order
t
t
t
t
d(P1A-E)
d(P2A-E)
d(P0A-E)
Address
d(P0A-E)
d(P1A-E)
Address
d(P2A-E)
Address
t
t
a(AD)
a(AD)
Address middle-order
Address low-order
Address low-order
7702/7703 Group User’s Manual
When reading data
When reading data
t
t
w(EL)
w(EL)
t
t
t
su(P2D-E)
su(P1D-E)
su(P2D-E)
Data
Data
Data
middle-order
high-order
high-order
Address
Address
Address
Address middle-order
Address low-order
Address low-order
When writing data
When writing data
: M37702’s standard characteristics
17.1 Memory expansion
(The others are the external memory’s.)
Data high-order
Data low-order
t
t
t
t
d(E-P2Q)
t
APPLICATION
w(EL)
d(E-P1Q)
d(E-P2Q)
t
w(EL)
t
su(D)
su(D)
Data
17–5