MBM29PL160TD Fujitsu Microelectronics, Inc., MBM29PL160TD Datasheet - Page 10

• Manufacturer Part Number: MBM29PL160TD
• Description: 16m 2m X 8/1m X 16 Bit
• Manufacturer: Fujitsu Microelectronics, Inc.

10
MBM29PL160TD
Autoselect
The Autoselect mode allows the reading out of a binary code from the device and will identify its manufacturer
and type. The intent is to allow programming equipment to automatically match the device to be programmed
with its corresponding programming algorithm. The Autoselect command may also be used to check the status
of write-protected sectors. (See Tables 4.1 and 4.2.) This mode is functional over the entire temperature range
of the device.
To activate this mode, the programming equipment must force V
identifier bytes may then be sequenced from the devices outputs by toggling address A
addresses are DON’T CARES except A
the other addresses pins.)
The manufacturer and device codes may also be read via the command register, for instances when the
MBM29PL160TD/BD is erased or programmed in a system without access to high voltage on the A
command sequence is illustrated in Table 7, Command Definitions.
Word 0 (A
For the MBM29PL160TD/BD these two bytes are given in the Table 4.2. All identifiers for manufactures and
device will exhibit odd parity with DQ
executing the Autoselect, A
If BYTE = V
= V
In order to determine which sectors are write protected, A
addresses; if the selected sector is protected, a logical ‘1’ will be output on DQ
IH
(for word mode), the device code is 2227H (for top boot block) or 2245H (for bottom boot block).
0
= V
IL
(for byte mode), the device code is 27H (for top boot block) or 45H (for bottom boot block). If BYTE
IL
) represents the manufacture’s code and word 1 (A
1
must be V
-75/-90
7
defined as the parity bit. In order to read the proper device codes when
IL
0
. (See Tables 2 or 3.)
, A
1
, and A
/MBM29PL160BD
6
(A
-1
). (See Table 2 or Table 3.) (Recomend to set VIL for
1
must be at V
ID
0
(11.5 V to 12.5 V) on address pin A
= V
IH
) represents the device identifier code.
IH
while running through the sector
0
(DQ
-75/-90
0
=1).
0
from V
IL
to V
9
pin. The
IH
9
. Two
. All