UPD30121F1-168-GA1 NEC, UPD30121F1-168-GA1 Datasheet - Page 62
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UPD30121F1-168-GA1
Manufacturer Part Number
UPD30121F1-168-GA1
Description
VR4121TM 64-/32-BIT MICROPROCESSOR
Manufacturer
NEC
Datasheet
1.UPD30121F1-168-GA1.pdf
(76 pages)
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Part Number:
UPD30121F1-168-GA1
Manufacturer:
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62
HLDRQ# input pulse width
Data floating delay time
Data valid delay time
HLDRQ# input pulse width
Data floating delay time
Data valid delay time
MRAS (0:3)# precharge time
UCAS#/LCAS# setup time
(17) Bus hold parameter (1/2)
Note The value of T is set by using the CLKSEL (0:2) signals (TxD/CLKSEL2, RTS#/CLKSEL1, and
DTR#/CLKSEL0 pins).
Parameter
Note
Note
Remarks 1. Do not set CLKSEL (2:0) signal
Symbol
CLKSEL2
t
t
t
t
t
t
t
t
FOFF
SOFF
Signal
FON
SON
FHP
SHP
RPS
CSR
1
1
1
1
0
0
0
0
In Fullspeed/Standby mode
In Fullspeed/Standby mode
In Fullspeed/Standby mode
In Suspend mode
In Suspend mode
In Suspend mode
In Suspend mode
In Suspend mode
2. Do not set CLKSEL (2:0) signal
Data Sheet U14691EJ1V0DS00
CLKSEL1
= 111.
= 110, 101 with 131 MHz model.
Signal
1
1
0
0
1
1
0
0
Condition
CLKSEL0
Signal
1
0
1
0
1
0
1
0
T (ns)
RFU
35
33
30
33
30
33
38
MIN.
12T
110
5T
0
0
0
0
5
MAX.
PD30121
Unit
ns
ns
ns
ns
ns
ns
ns
ns
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