UPD70F3102-33 NEC [NEC], UPD70F3102-33 Datasheet - Page 58

• Manufacturer Part Number: UPD70F3102-33
• Description: 32-/16-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC [NEC]

58
WAIT setup time (to CLKOUT )
WAIT hold time (from CLKOUT )
Delay time from OE to data output
Delay time from address to IOWR
Address setup time (to IOWR )
Delay time from IOWR to address
Delay time from IOWR to RD
IOWR low-level width
Row address setup time
Row address hold time
Column address setup time
Column address hold time
Read/write cycle time
RAS precharge time
RAS hold time
Column address read time for RAS
CAS pulse width
CAS to RAS precharge time
CAS hold time
WE setup time (to CAS )
WE hold time (from RAS )
WE hold time (from CAS )
CAS precharge time
RAS column address delay time
RAS to CAS delay time
Remarks 1. T = t
(g) DMA flyby transfer timing (DRAM (EDO, high-speed page)
Parameter
2. w: Number of waits due to WAIT
3. w
4. w
5. w
6. w
7. w
8. i: Number of idle states inserted when a write cycle follows the read cycle.
RP
RH
DA
CP
F
: Number of waits inserted to source-side access during DMA flyby transfer
: Number of waits specified by RPCxx bit of register DRCn (n = 0 to 3, xx = 00 to 03, 10 to 13)
: Number of waits specified by DACxx bit of register DRCn (n = 0 to 3, xx = 00 to 03, 10 to 13)
: Number of waits specified by CPCxx bit of register DRCn (n = 0 to 3, xx = 00 to 03, 10 to 13)
: Number of waits specified by RHCxx bit of register DRCn (n = 0 to 3, xx = 00 to 03, 10 to 13)
CYK
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Preliminary Data Sheet U13844EJ2V0DS00
Symbol
t
t
t
t
t
t
DWRRD
DRDOD
t
t
DAWR
DWRA
WWRL
t
t
t
SAWR
t
t
t
t
t
t
t
t
t
t
t
t
SWK
HKW
t
t
ASR
RAH
ASC
CAH
RSH
CAS
CRP
CSH
RCS
RRH
RCH
CPN
RAD
RCD
RAL
RC
RP
Conditions
w
w
F
F
= 0
= 1
(2 + w
(2 + w
(2 + w
(3 + w
(1.5 + w
(1.5 + w
(2 + w
(1 + w
(2 + w
(2 + w
(0.5 + w
CP
(0.5 + w
(0.5 + w
RP
(0.5 + w
(0.5 + w
RH
external I/O transfer) (1/3)
(1 + w
RP
(1 + w
(0.5 + i) T – 10
+ w
+ w
+ w
RH
DA
DA
DA
+ w
RP
RP
0.5T – 10
0.5T – 10
w) T – 10
0.5T – 10
1.5T – 10
+ w
+ w
RH
T – 10
DA
DA
+ w
+ w
MIN.
+ w
+ w
RH
RH
RP
15
RP
+ w
RP
RH
RP
+ w
RH
2
0
DA
+ w
F
) T – 10
) T –10
F
F
) T – 10
) T – 10
) T – 10
) T – 10
+ w) T – 10
) T – 10
+ w
RH
RH
+ w) T – 10
+ w) T – 10
+ w) T – 10
DA
F
F
) T – 10
) T – 10
+ w) T – 10
+ w) T – 10
+ w) T –10
DA
+ w
F
+
MAX.
PD70F3102-33
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns