M37754 Mitsubishi, M37754 Datasheet - Page 16

• Manufacturer Part Number: M37754
• Description: SINGLE-CHIP 16BIT CMOS MICROCOMPUTER
• Manufacturer: Mitsubishi

Notes 1: It becomes Hi-Z when reading, and it outputs undefined data when writing.
Fig. 8 Output signals at 3- access in high-speed running
16
2: When the external data bus width is 8 bits, the function to output the low-order address from the Di pin while RD or WR is “H” can be selected only
in special area access cycle. Refer to the section on the processor mode for details.
A
D
BHE
ALE
RD, WR
1
i
i
DL
BHE
ALE
RD, WR
A
DH
DL
BHE
ALE
RD, WR
A
DH
1
i
1
i
i
A
D
BHE
ALE
RD, WR
i
i
i
1
i
i
Access from even address
A
0
– A
D0 – D
23
A
A
0
0
A
7
(Note 1)
D
– A
D
– A
0
D
8
0
– A
0
– D
23
– D
D
19
– D
0
23
15
– D
7
7
A
7
0
M37754M8C-XXXGP, M37754M8C-XXXHP
– A
D
0
23
– D
7
M37754S4CGP, M37754S4CHP
A
D
BHE
ALE
RD, WR
1
i
DL
BHE
ALE
RD, WR
i
A
DH
1
i
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
i
i
A
D
BHE
ALE
RD, WR
1
i
i
BHE
ALE
RD, WR
A
DH
DL
1
i
i
i
Access from odd address
MITSUBISHI MICROCOMPUTERS
A
0
A
0
– A
D
– A
0
(Note 1)
23
D
– D
23
8
A
– D
0
7
– A
A
D
0
15
(Note 1)
0
– A
D
23
– D
8
– D
23
7
A
15
0
A
0
– A
D
– A
0
(Note 1)
23
– D
D
23
0
– D
7
7