UPD70F3102-33 NEC [NEC], UPD70F3102-33 Datasheet - Page 61

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

WAIT setup time (to CLKOUT )
WAIT hold time (from CLKOUT )
IORD low-level width
IORD high-level width
Delay time from address to IORD
Delay time from IORD to address
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
CAS precharge time
RAS column address delay time
RAS to CAS delay time
CAS precharge time
High-speed page mode cycle time
RAS hold time for CAS precharge
WE hold time (from CAS )
WE read time (to RAS )
WE read time (to CAS )
WE pulse width
RAS pulse width
Remarks 1. T = t
(h) DMA flyby transfer timing (external I/O
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.
9. n = 0 to 7
RH
DA
RP
CP
F
: Number of waits inserted to source-side access during DMA flyby transfer.
: 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 RPCxx 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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Symbol
Preliminary Data Sheet U13844EJ2V0DS00
t
t
t
t
t
t
t
t
t
WRDH
t
t
t
WRDL
DARD
DRDA
t
t
t
t
t
t
t
t
t
t
t
RHCP
RASP
SWK
HKW
t
t
t
t
WCH
t
ASR
RAH
ASC
CAH
RSH
CAS
CRP
CSH
CPN
RAD
RCD
RWL
CWL
RAL
WP
RC
RP
CP
PC
Conditions
w
w
w
DRAM (EDO, high-speed page) transfer) (1/3)
CP
CP
CP
= 0
= 0
= 0
(3 + w
(2 + w
(2.5 + w
(2 + w
(2 + w
(2 + w
(2.5 + w
(2 + w
RP
(1.5 + w
(1.5 + w
(0.5 + w
(1.5 + w
(1 + w
(1 + w
(1 + w
(1 + w
RH
+ w
(0.5 + w
(0.5 + w
(0.5 + w
RH
(0.5 + w
CP
CP
(1 + w
(1 + w
RH
(0.5 + i) T – 10
+ w
+ w
RP
+ w
+ w
RH
CP
+ w
0.5T – 10
0.5T – 10
DA
+ w
RH
DA
DA
+ w
+ w
DA
DA
DA
DA
T – 10
DA
CP
DA
DA
MIN.
DA
DA
+ w
RP
+ w) T – 10
+ w) T – 10
15
+ w) T – 10
+ w
RP
RH
+ w
RP
+ w
RH
+ w
2
+ w
+ w
RH
+ w) T – 10
+ w) T – 10
DA
DA
) T – 10
+ w
) T – 10
) T – 10
) T – 10
) T – 10
) T – 10
+ w) T – 10
F
+ w
F
F
F
F
F
) T – 10
+ w) T – 10
F
) T – 10
) T – 10
F
+ w) T – 10
+ w) T – 10
+ w) T – 10
+ w) T – 10
+ w) T – 10
F
+ w) T – 10
PD70F3102-33
MAX.
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
ns
ns
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