M37754 Mitsubishi, M37754 Datasheet - Page 14

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

Fig. 6 Bus cycle selection (low-speed running)
14
2- access
RD
WR
A
D
i
i
Read
ADRS : Address
R-D
W-D : Write data
1bus cycle = 2
––––––––––––––––––––––––––––––
: Read data
ADRS
Internal memory access
RD
WR
A
D
i
i
Write
1bus cycle = 2
Low-speed running (
ADRS
M37754M8C-XXXGP, M37754M8C-XXXHP
W-D
2- access
3- access
4- access
RD
WR
A
D
RD
WR
A
D
i
i
1
i
i
M37754S4CGP, M37754S4CHP
RD
WR
A
D
Read
12.5 MH
i
i
Read
Read
1bus cycle = 4
1bus cycle = 2
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
1bus cycle = 3
Z
)
ADRS
ADRS
ADRS
External memory access
R-D
R-D
R-D
MITSUBISHI MICROCOMPUTERS
RD
WR
A
D
RD
WR
A
D
RD
WR
A
D
i
i
i
i
i
i
Write
Write
Write
1bus cycle = 3
1bus cycle = 2
1bus cycle = 4
ADRS
W-D
ADRS
ADRS
W-D
W-D