參數(shù)資料
型號(hào): M32000D3FP
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER
中文描述: 單芯片32位CMOS微機(jī)
文件頁(yè)數(shù): 21/45頁(yè)
文件大?。?/td> 565K
代理商: M32000D3FP
SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
M32000D3FP
21
When an "L" level is input to DC, the next bus cycle is processed and
wait cycles are inserted until this point. Keep the DC signal at the "H"
level, unless otherwise necessary. When a write cycle comes imme-
diately after a read cycle, the M32000D3FP inserts an idle cycle to
prevent a collision with data on the system bus. The same applies to
write cycles (burst write access) immediately after a burst read cycle.
Fig. 17 Read/write timing (two one-wait accesses)
Fig. 18 Automatic idle cycle insertion between consecutive read
and write cycles
"H"
"H"
idle
read
CLKIN
BS
A8 - A30
SID, ST
BCH, BCL
BURST
D0 - D15
DC
R/W
idle
read
"H"
idle
write
idle
write
CLKIN
BS
A8 - A30
SID, ST
BCH, BCL
BURST
D0 - D15
DC
R/W
"Hi-z"
"Hi-z"
"Hi-z"
"Hi-z"
"Hi-z"
Note:
"Hi-z" means high-impedance, and indicates sampling timing.
Keep DC signal at the "H" level during idle cycles.
"H"
idle
CLKIN
BS
A8 - A30
SID, ST
BCH, BCL
BURST
D0 - D15
DC
R/W
idle
read
write
idle
"Hi-z"
"Hi-z"
"Hi-z"
Note:
"Hi-z" means high-impedance, and indicates sampling timing.
Keep DC signal at the "H" level during idle cycles.
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