ID246PXX データシートの表示（PDF） - Sharp Electronics
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ID246PXX Datasheet PDF : 38 Pages
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ID246 SERIES PRODUCT OVERVIEW
19
10. 1.2 CFI Query Identification String
The Identification String provides verification that the component supports the Common Flash Interface specifi-
cation. Additionally, If indicates which version of the spec and which Vendor-specified command set(s) istare)
supported.
Table 12. CR Query Identification String
Offset
(Word Address)
lOH.1 lHJ2H
Length
03H
Description
Query Unique ASCII string “QRY”
5 lH,52H,59H
13H,14H
02H
Primary Vendor Command Set and Control Interfase ID Code
OlH,OOH (SCS ID Code)
15HJ6H
02H
Addressfor Primary Algorithm Extended Query Table
3 lH,OOH (SCS Extended Query Table Offset)
17HJ8H
I9HJAH
02H
Alternate Vendor Command Set and Control Interfase ID Code
OOOOH(OOOOH means that no alternate exists)
02H
Address for Alternate Algorithm Extended Query Table
OOOOH(OOOOH means that no alternate exists)
T1154E-01
10. 1. 3 System Interface Information
The following device information canbe usefulin optimizing systeminterface software.
Table 13. SystemInformation String
Offset
(Word Address)
IBH
LCH
IDH
LEH
FH
!OH
!lH
!2H
!3H
!4H
!5H
:6H
Length
OlH
OlH
OlH
OlH
OlH
OlH
OlH
OlH
OlH
OIH
OIH
OlH
Description
V,, Logic Supply Minimum Write/Erase voltage
27H (. 2.7V) I
I
V, Logic Supply Maximum Write/Erase voltage
55H (5.5V)
V, Programming Supply Minimum Write/Erase voltage
27I.I (2.7V)
V, Programming Supply Maximum Write/Erase voltage
55H (5.5V)
Typical Timeout per Single Byte/Word Write
03H (23=8 usec)
Typical Timeout for Maximum Size Buffer Write (32 Bytes)
03H (2%4 usec)
Typical Timeout per Individual Block Erase
OAH (OAH=lO , 2i”=1024 msec)
Typical Timeout for Full Chip Erase
OFH (OFH=15 , 2iJ=32768 msec)
Maximum Timeout per Single Byte/Word Write, 2N times of typical
04H (r=16 , 8 usec x16=128 usec)
Maximum Timeout Maximum Size Buffer Write, 2N times of typical
04H (24=16, 64 usec x16=1024 usec)
Maximum Timeout per Individual Block Erase, 2N times of typid
04H (2’=16, 1024 msec x16=16384 msec)
Maximum Timeout for Full Chip Erase, 2N times of typical
04H (24=16, 32768 msec x16=524288 msec)
T1155E.01
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