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UPD30121 Datasheet(PDF) 53 Page - NEC

Part # UPD30121
Description  VR4121TM 64-/32-BIT MICROPROCESSOR
PDF  76 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD30121 Datasheet(HTML) 53 Page - NEC

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Data Sheet U14691EJ1V0DS00
53
µµµµPD30121
(12) System bus parameter (IOCHRDY) (3/3)
Invalid
When WISAA (0:2) bits = 010, BSEL bit = 1
BUSCLK
(output)
ADD (19:25),
ADD (0:8)
(output)
ADD (9:18)
(output)
SHB#
(output)
MEMR#/MEMW#,
IOR#/IOW#
(output)
IOCHRDY
(input)
ZWS#
(input)
DATA
(output)
DATA
(input)
Invalid
tBCLKH2 tBCLKL2
tCLCH
tCHAV
tCHCL
tCHRL
tCHDV
tDH
tDS
tRHCH
tCLR
tAVCKNote
tCLCKNote
tDVCL
tAVCL
Invalid
MEMCS16#,
IOCS16#
(input)
tCHSV
tAVSV1
Note
This indicates the minimum setup time to the BUSCLK signal rising edge.
Remark The broken lines indicate high impedance.



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