Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

Preview PDF HTML

UPD30121 Datasheet(PDF) 45 Page - NEC

Part # UPD30121
Description  VR4121TM 64-/32-BIT MICROPROCESSOR
PDF  76 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD30121 Datasheet(HTML) 45 Page - NEC

Back Button UPD30121 Datasheet HTML 41Page - NEC UPD30121 Datasheet HTML 42Page - NEC UPD30121 Datasheet HTML 43Page - NEC UPD30121 Datasheet HTML 44Page - NEC UPD30121 Datasheet HTML 45Page - NEC UPD30121 Datasheet HTML 46Page - NEC UPD30121 Datasheet HTML 47Page - NEC UPD30121 Datasheet HTML 48Page - NEC UPD30121 Datasheet HTML 49Page - NEC Next Button
Zoom Inzoom in Zoom Outzoom out
 45 / 76 page
background image
Data Sheet U14691EJ1V0DS00
45
µµµµPD30121
(8)
Normal ROM parameter (1/2)
Parameter
Symbol
Condition
MIN.
MAX.
Unit
Data access time (from address)
Note
tACC
T
× N − 19
ns
Data access time (from ROMCS (0:3)#
↓)Note
tCE
T
× N − 19
ns
Data access time (from RD#
↓)Note
tOE
T
× (N − 1) − 29
ns
Data input setup time
tDS
0ns
Data input hold time
tDH
5ns
Note
The value of N is set by using the WROMA (0:2) bits of the BCUSPEEDREG register.
The value of T is set by using the CLKSEL (0:2) signals (TxD/CLKSEL2, RTS#/CLKSEL1, and
DTR#/CLKSEL0 pins).
CLKSEL2
Signal
CLKSEL1
Signal
CLKSEL0
Signal
T (ns)
WROMA2
Bit
WROMA1
Bit
WROMA0
Bit
N
(TClock)
111
RFU
0
009
110
35
0
018
101
33
0
107
100
30
0
116
011
33
1
005
010
30
1
014
001
33
1
103
000
38
1
112
Remarks 1. Do not set CLKSEL (2:0) signal
= 111.
2. Do not set CLKSEL (2:0) signal
= 110, 101 with 131 MHz model.



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com