M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 277

• 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. 12.1.5 Example of operating waveforms of signals input and output to/from externals (1)
<8-bit data access>
<16-bit data access>
(c) Access to even address
A
A
External data bus width = 16 bits (BYTE = “L”)
8
16
/D
/D
8
0
— A
— A
A
CONNECTION WITH EXTERNAL DEVICES
0
15
23
— A
A
BHE
ALE
/D
(a) Access from even address
(b) Access from odd address
/D
0
A
15
A
A
E
A
7
7
8
16
16
8
/D
/D
/D
/D
8
8
0
0
— A
— A
— A
— A
A
A
Address
Address
0
15
0
15
23
23
— A
— A
BHE
BHE
ALE
/D
ALE
/D
A
/D
/D
A
15
0
Address
E
E
15
0
7
7
7
7
12.1 Signals required for accessing external devices
Data(even)
7702/7703 Group User’s Manual
Address
Address
Address
Address
Address
Address
Data(even)
Data(odd)
Data(odd)
(d) Access to odd address
A
A
Address
Address
8
16
/D
/D
8
0
— A
Address
— A
A
0
15
Data(even)
23
— A
BHE
ALE
/D
/D
A
15
E
0
7
7
Address
Address
Address
Data(odd)
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