UPD70F3102-33 NEC [NEC], UPD70F3102-33 Datasheet - Page 59

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

Output buffer turn-off delay time
(from OE )
Output buffer turn-off delay time
(from CAS )
CAS precharge time
High-speed mode cycle time
RAS hold time for CAS precharge
RAS pulse width
Hold time from
OE to CAS
(from CAS )
Delay time from DMAAKm to
CAS
Delay time from IOWR to CAS
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. m = 0 to 3
Off-page
On-page
CP
DA
RH
RP
F
: Number of waits inserted to source-side access during DMA flyby transfer
: 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 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 RHCxx bit of register DRCn (n = 0 to 3, xx = 00 to 03, 10 to 13)
CYK
<105>
<106>
<78>
<79>
<81>
<82>
<83>
<94>
<96>
<97>
Symbol
Preliminary Data Sheet U13844EJ2V0DS00
t
t
t
t
t
t
t
t
t
t
OEZ
OFF
CP
PC
RHCP
RASP
OCH1
OCH2
DDACS
DRDCS
Conditions
(2 + w
(2.5 + w
(2.5 + w
(1.5 + w
w
(2.5 + w
(0.5 + w
(1.5 + w
DA
(1 + w
+ w
CP
w) T – 10
w) T – 10
w) T – 10
+ w
CP
RH
CP
T – 10
F
MIN.
RH
+ w
+ w
RP
+ w) T – 10
+ w
CP
RH
0
0
external I/O transfer) (2/3)
DA
) T – 10
) T – 10
) T – 10
+ w
DA
DA
+ w
DA
+ w
+ w
+ w
RH
F
+ w)
+
F
F
F
+
+
+
PD70F3102-33
MAX.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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