Datasheet

Page 57
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5. Electrical Characteristics (M32C/85)
VCC1=VCC2=5V
lobmySretemaraP
tnemerusaeM
noitidnoC
dradnatS
tinU
.niM.xaM
dt
)DA-KLCB( emiTyaleDtuptuOsserddA 81sn
ht
)DA-KLCB( )dradnatsKLCB(emiTdloHtuptuOsserddA 3-sn
ht
)DA-DR( )dradnatsDR(emiTdloHtuptuOsserddA
)5(
)1etoN(sn
ht
)DA-RW( )dradnatsRW(emiTdloHtuptuOsserddA
)5(
)1etoN(sn
dt
)SC-KLCB( emiTyaleDtuptuOlangiStceleS-pihC 81sn
ht
)SC-KLCB( )dradnatsKLCB(emiTdloHtuptuOlangiStceleS-pihC 3-sn
ht
)SC-DR( )dradnatsDR(emiTdloHtuptuOlangiStceleS-pihC
)5(
)1etoN(sn
ht
)SC-RW( )dradnatsRW(emiTdloHtuptuOlangiStceleS-pihC
)5(
)1etoN(sn
dt
)DR-KLCB( emiTyaleDtuptuOlangiSDR 81sn
ht
)DR-KLCB( emiTdloHtuptuOlangiSDR 5-sn
dt
)RW-KLCB( emiTyaleDtuptuOlangiSRW 81sn
ht
)RW-KLCB( emiTdloHtuptuOlangiSRW 5-sn
dt
)RW-BD( )dradnatsRW(emiTyaleDtuptuOataD )2etoN(sn
ht
(-RW)BD )dradnatsRW(emiTdloHtuptuOataD
)5(
)1etoN(sn
dt
)ELA-KLCB( )dradnatsKLCB(emiTyaleDtuptuOlangiSELA 81sn
ht
)ELA-KLCB( )dradnatsKLCB(emiTdloHtuptuOlangiSELA 2-sn
dt
)ELA-DA( )dradnatssserdda(emiTyaleDtuptuOlangiSELA )3etoN(sn
ht
)DA-ELA( )dradnatssserdda(emiTdloHtuptuOlangiSELA )4etoN(sn
zdt
)DA-DR( emiTtratStaolFtuptuOsserddA 8sn
td(DB – WR) =
10 X m
9
– 25
[ns] (if external bus cycle is aφ + bφ, m= (bx2)-1)
t
h(RD – AD) =
f
(BCLK) X 2
10
9
– 10
[ns]
t
h(WR – AD) =
f
(BCLK) X 2
10
9
– 10
[ns]
t
h(RD – CS) =
f
(BCLK) X 2
10
9
– 10
[ns]
t
h(WR – CS) =
f
(BCLK) X 2
10
9
– 10
[ns]
t
h(WR – DB) =
f
(BCLK) X 2
10
9
– 10
[ns]
t
d(AD – ALE) =
f
(BCLK) X 2
9
– 20
[ns] (if external bus cycle is aφ + bφ, n= a)
t
h(ALE – AD) =
f
(BCLK) X 2
9
– 10
[ns] (if external bus cycle is aφ + bφ, n= a)
f
(BCLK) X 2
1. Values can be obtained from the following equations, according to BCLK frequency.
2. Values can be obtained from the following equations, according to BCLK frequency and external bus cycle.
3. Values can be obtained from the following equations, according to BCLK frequency and external bus cycle.
10 X m
10 X n
4. Values can be obtained from the following equations, according to BCLK frequency and external bus cycle.
10 X n
NOTES:
5. tc ns is added when recovery cycle is inserted.
See Figure 5.2
Switching Characteristics
(VCC = 4.2 to 5.5V, VSS = 0V at Topr = –20 to 85
o
C unless otherwise specified)
Table 5.23 Memory Expansion Mode and Microprocessor Mode
(when accessing an external memory space with the multiplexed bus)