A29160 Series
Autoselect Mode
The autoselect mode provides manufacturer and device
identification, and sector protection verification, through
identifier codes output on I/O7 - I/O0. This mode is primarily
intended for programming equipment to automatically match
appropriate highest order address bits. Refer to the
corresponding Sector Address Tables. The Command
Definitions table shows the remaining address bits that are
don't care. When all necessary bits have been set as
required, the programming equipment may then read the
corresponding identifier code on I/O7 - I/O0.To access the
autoselect codes in-system, the host system can issue the
autoselect command via the command register, as shown in
the Command Definitions table. This method does not
require VID. See "Command Definitions" for details on using
the autoselect mode.
a
device to be programmed with its corresponding
programming algorithm. However, the autoselect codes can
also be accessed in-system through the command register.
When using programming equipment, the autoselect mode
requires VID (9.5V to 11.5 V) on address pin A9. Address
pins A6, A1, and A0 must be as shown in Autoselect Codes
(High Voltage Method) table. In addition, when verifying
sector protection, the sector address must appear on the
Table 4. A29160 Autoselect Codes (High Voltage Method)
Description
Mode
A19 A11 A9 A8 A6 A5 A1 A0
I/O8
to
I/O7
to
WE
CE
OE
to
to
to
to
A12 A10
A7
A2
I/O15
I/O0
Manufacturer ID: AMIC
L
L
L
L
H
H
X
X
X
X
VID
X
X
L
L
X
X
L
L
L
X
37h
Device ID: A29160
(Top Boot Block)
Word
22h
D2h
VID
H
Byte
X
D2h
D8h
Device ID: A29160
(Bottom Boot Block)
Word
22h
L
L
L
L
H
H
X
X
X
X
VID
VID
X
X
L
L
X
X
L
H
H
Byte
X
X
D8h
7Fh
Continuation ID
H
01h
(protected)
X
X
Sector Protection Verification
L
L
H
SA
X
VID
X
L
X
H
L
00h
(unprotected)
L=Logic Low= VIL, H=Logic High=VIH, SA=Sector Address, X=Don’t Care.
Note: The autoselect codes may also be accessed in-system via command sequences.
(November, 2010, Version 0.3)
9
AMIC Technology, Corp.
AMICC [ AMIC TECHNOLOGY ]
