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M16C62_M Datasheet, PDF (312/615 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES | |||
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Timing
Mitsubishi microcomputers
M16C / 62M Group
(Low voltage version)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
VCC = 3V
Memory Expansion Mode and Microprocessor Mode
(When accessing external memory area with wait, and select multiplexed bus)
Read timing
BCLK
CSi
ADi
/DBi
ADi
BHE
ALE
td(BCLKâCS)
60ns.max
td(ADâALE) (tcyc/2â45)ns.min
Address
th(ALEâAD)
40ns.min
td(BCLKâAD)
60ns.max
tcyc
tdz(RDâAD)
8ns.max
tac3(RDâDB)
td(ADâRD)
0ns.min
td(BCLKâALE)
60ns.max
th(BCLKâALE)
â4ns.min
td(BCLKâRD)
60ns.max
RD
th(RDâCS)
(tcyc/2)ns.min
th(BCLKâCS)
4ns.min
Data input
Address
th(RDâDB)
tSU(DBâRD) 0ns.min
80ns.min
th(BCLKâAD)
4ns.min
th(RDâAD)
(tcyc/2)ns.min
th(BCLKâRD)
0ns.min
Write timing
BCLK
CSi
ADi
/DBi
td(BCLKâCS)
60ns.max
Address
td(ADâALE)
(tcyc/2â60)ns.min
tcyc
td(BCLKâDB)
80ns.max
th(WRâCS)
(tcyc/2)ns.min
Data output
th(BCLKâCS)
4ns.min
th(BCLKâDB)
4ns.min
Address
td(DBâWR)
(tcyc*3/2â80)ns.min
th(WRâDB)
(tcyc/2)ns.min
ADi
BHE
ALE
td(BCLKâAD)
60ns.max
td(BCLKâALE) th(BCLKâALE)
60ns.max
â4ns.min
td(ADâWR)
0ns.min
th(BCLKâAD)
4ns.min
th(WRâAD)
(tcyc/2)ns.min
WR,WRL,
td(BCLKâWR)
60ns.max
th(BCLKâWR)
0ns.min
WRH
Measuring conditions :
⢠VCC=3V
⢠Input timing voltage : Determined with VIL=0.48V,VIH=1.5V
⢠Output timing voltage : Determined with VOL=1.5V,VOH=1.5V
Figure 1.31.6. VCC=3V timing diagram (5)
1-293
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