參數(shù)資料
型號(hào)： MBM29PL160BD-90PF
廠商： FUJITSU LTD
元件分類： DRAM
英文描述： 16M (2M x 8/1M x 16) BIT
中文描述： 1M X 16 FLASH 3V PROM, 90 ns, PDSO44
封裝： PLASTIC, SOP-44
文件頁(yè)數(shù)： 10/51頁(yè)
文件大小： 591K
代理商： MBM29PL160BD-90PF
10
MBM29PL160TD
-75/-90
/MBM29PL160BD
-75/-90
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
ID
(11.5 V to 12.5 V) on address pin A
9
. Two
identifier bytes may then be sequenced from the devices outputs by toggling address A
0
from V
IL
to V
IH
. All
addresses are DON’T CARES except A
0
, A
1
, and A
6
(A
-1
). (See Table 2 or Table 3.) (Recomend to set VIL for
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
9
pin. The
command sequence is illustrated in Table 7, Command Definitions.
Word 0 (A
0
= V
IL
) represents the manufacture’s code and word 1 (A
0
= V
IH
) represents the device identifier code.
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
7
defined as the parity bit. In order to read the proper device codes when
executing the Autoselect, A
1
must be V
IL
. (See Tables 2 or 3.)
If BYTE = V
IL
(for byte mode), the device code is 27H (for top boot block) or 45H (for bottom boot block). If BYTE
= V
IH
(for word mode), the device code is 2227H (for top boot block) or 2245H (for bottom boot block).
In order to determine which sectors are write protected, A
1
must be at V
IH
while running through the sector
addresses; if the selected sector is protected, a logical ‘1’ will be output on DQ
0
(DQ
0
=1).
相關(guān)PDF資料
PDF描述
MBM29PL160BD-90PFTN 16M (2M x 8/1M x 16) BIT
MBM29PL160BD-90PFTR 16M (2M x 8/1M x 16) BIT
MBM29PL160BD 16M (2M x 8/1M x 16) BIT
MBM29PL160TD-75 122 x 32 pixel format, LED Backlight available
MBM29PL160TD-75PF 122 x 32 pixel format, LED Backlight available
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