M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 354

• 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

APPLICATION
17.1 Memory expansion
Fig. 17.1.15 Example of SRAM expansion (minimum model)
17–20
17.1.4 Example of memory expansion
(1) Example of SRAM expansion (minimum model)
Figure 17.1.15 shows a memory expansion example (minimum model) using a 32-Kbyte SRAM in the
memory expansion mode. Figure 17.1.16 shows the timing chart for this example.
M37702M4B
CNV
BYTE
X
IN
SS
A
D
0
X
0
BHE
–A
R/W
–D
OUT
A
15
14
E
7
25 MHz
Open
Circuit condition : Wait
AC32
AC32
1
2
M5M5256CP-70LL
7702/7703 Group User’s Manual
S
A
D
OE
0
0
–A
–D
14
7
WE
1, 2: Use the elements of which propagation
FFFF
0000
0080
0880
8000
delay time is within 18 ns.
16
16
16
16
16
Internal RAM area
Internal ROM area
(M5M5256CP)
External RAM
Memory map
SFR area
area