W19B(L)320ST/B
7.2 Autoselect Codes (High Voltage Method)
DQ8 TO
A20 A11
A8
A5
DQ7
A9
DQ15
DESCRIPTION
#CE #OE #WE TO
TO
TO A6 TO A1 A0
TO
#BYTE #BYTE
= VIH = VIL
A12 A10
A7
A2
DQ0
Manufacturer ID:
Winbond
VIL
VIL
VIL VIL
VIL VIL
VIH
VIH
X
X
X
X
VID
VID
X
X
VIL
VIL
X
X
DAh
BAh
Device ID:
W19B(L)320ST
(Top Boot Block)
X
X
X
X
VIL VIH 22h
VIL VIH 22h
X
Device ID:
W19B(L)320SB
(Bottom Boot Block)
VIL VIL
VIL VIL
VIH
VIH
X
X
X
VID
VID
VIL
VIL
X
2Ah
01h
(protected)
00h
Sector Protection
Verification
X
VIH VIL
X
X
X
SA
X
X
X
X
(unprotected)
99h
(factory
locked)
19h (not
factory
locked)
Security Indicator Bit
(DQ7)
VIL
VIL VIL
VIH
X
X
VID
VIH VIH
X
X
Legend: SA = Sector Address, X = Don't Care.
Publication Release Date: March 23, 2004
Revision A2
- 19 -
WINBOND [ WINBOND ]
