M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 358
M37702E6BFS
Manufacturer Part Number
M37702E6BFS
Description
EPROM MCU/8BIT CMOS EMULATION CH
Manufacturer
Renesas Electronics America
Datasheet
1.M37702E6BFS.pdf
(524 pages)
Specifications of M37702E6BFS
Accessory Type
Emulator EPROM MCU
For Use With/related Products
7702
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M37702E6BFS
Manufacturer:
MITSUBISHI/三菱
Quantity:
20 000
- Current page: 358 of 524
- Download datasheet (6Mb)
APPLICATION
17.1 Memory expansion
Fig. 17.1.19 Example of ROM and SRAM expansion (maximum model)
17–24
(3) Example of ROM and SRAM expansion (maximum model)
Figure 17.1.19 shows a memory expansion example (maximum model) using two 32-Kbyte ROM and
two 32-Kbyte SRAM in the microprocessor mode. Figure 17.1.20 shows the timing diagram for this
example.
1, 2 : Use the elements of which sum of propagation delay time is within 92 ns.
2: Use the elements of which propagation delay time is within 12 ns.
3: Use the elements of which propagation delay time is within 13 ns.
M37702S1B
CNV
BYTE
X
IN
SS
A
A
15
D
A
A
X
8
1
1
16
/D
OUT
/D
R/W
BHE
ALE
–D
–A
/D
8
A
15
E
–
7
7
0
0
20 MHz
Data bus (even)
Data bus (odd)
AC573
AC573
D Q
D Q
LE
LE
Circuit condition : Wait
AC04
2
2
AC32
A16
A8
–
AC32
A15
A1
D8
Address bus
7702/7703 Group User’s Manual
–
–
A15
D15
3
WE
RD
WO
A
D
0
0
–A
–D
CE
OE
14
7
M5M27C256AK-15
A1
D0
–
A15
–
D7
A
D
0
0
–A
–D
OE
CE
14
7
A1
D8
AC04
–
–
A15
D15
1
DQ
A
0
1FFFF
OE W
–A
10000
1
–DQ
0000
0080
0280
S
14
8
M5M5256CP-70LL
16
16
16
16
16
(M5M27C256AK 2)
Memory map
(M5M5256CP 2)
A1
D0
ROM area
RAM area
RAM area
–
SFR area
External
–
External
A15
Internal
D7
DQ
A
0
–A
OE W
1
–DQ
14
S
8
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