UPD30121F1-168-GA1 NEC, UPD30121F1-168-GA1 Datasheet - Page 53
![no-image](/images/manufacturer_photos/0/4/470/nec_sml.jpg)
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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Remark The broken lines indicate high impedance.
(12) System bus parameter (IOCHRDY) (3/3)
Note This indicates the minimum setup time to the BUSCLK signal rising edge.
MEMR#/MEMW#,
When WISAA (0:2) bits = 010, BSEL bit = 1
ADD (19:25),
MEMCS16#,
IOR#/IOW#
ADD (9:18)
IOCHRDY
ADD (0:8)
IOCS16#
BUSCLK
(output)
(output)
(output)
(output)
(output)
(output)
(input)
(input)
(input)
(input)
ZWS#
DATA
DATA
SHB#
Invalid
t
BCLKH2
t
AVCK
Invalid
Note
t
BCLKL2
Data Sheet U14691EJ1V0DS00
t
AVCL
t
t
AVSV1
DVCL
t
CLCK
Note
t
CLR
t
CLCH
t
RHCH
t
DS
t
t
t
CHAV
CHRL
DH
t
t
PD30121
CHDV
CHCL
t
CHSV
Invalid
53
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